This is a list of all of the objectives for each quiz and unit exam. At least 5 sample questions for each quiz are included.
Unit I
You will be tested on the following objectives at the end of section I. A.
1. List and use the units of the modernized metric system(SI) in measurements of length, volume, mass and density.
2. Convert between metric units.
3. Estimate units of length and volume in the metric system.
4. Demonstrate through actions knowledge of safe procedures in the laboratory.
5. Be able to define Environmental Protection Agency, meter, deci-,centi-, milli-, liter, and milliter.
6. Given the dimensions of a box be able to calculate the volume.
Sample Quiz Questions:
.IA1) Type the word that means: metric unit of volume equal to 1000 cm3. Also referred to as 1 dm3.
.IA1) A cube is 6 cm on an edge. What is its volume?
.IA1) FIRST AID: What substance should be used to wash chemicals from the eye when administering First Aid?
.IA1) 450 cm = ______ m
.IA1) How many 200 mL servings can be poured from a 3.0-L bottle of soft drink?
.IA1) 325 cubic cm = ______ mL
You will be tested on the following objectives at the end of section I. A. 7
1. Discuss direct and indirect water use and their importance for water conservation.
2. Describe the function and operation of the hydrologic cycle and indicate the primary storage reservoirs of the Earth's water supply.
3. Demonstrate through actions knowledge of safe procedures in the laboratory.
4. Estimate the amount of water used by you and your family to determine the amount consumed.
5. Given laboratory data be able to calculate the percent of water purified and lost.
6. Be able to identify the state of a given substance.
7. Define filtration, filtrate, adsorb, distillation, electrical conductivity, water cycle, surface water, groundwater, aquifer, hydrologic cycle, state, gaseous state, liquid state, and solid state.
8. Discuss the steps and methods of water purification in the laboratory.
Sample Quiz Questions:
.IA9) Type the word that means the measure of the ability of a material to carry an electric current.
.IA9) Type the name of the state of matter that has definite volume but no definite shape.
.IA9) IF in the "Foul Water" experiment you started with 96.3 mL of "foul water" and recovered 60.2 mL of purified water, what volume of liquid, in mL, was lost during purification? (XX.X) State your answer to the nearest 0.1 without units (i.e. 37.2). Round carefully!
.IA9) IF in the "Foul Water" experiment you started with 96.3 mL of "foul water" and recovered 60.2 mL of purified water, what per cent of liquid volume was lost during purification? (XX.X) State your answer to the nearest 0.1 without units (i.e. 37.3). Round carefully!
.IA9) Which sequence reflects the decreasing abundance of water supplies on Earth?(Type the letter of your response.)
A. oceans-glaciers/ice caps-rivers-lakes-groundwater- atmosphere
B. oceans-glaciers/ice caps-groundwater-lakes-atmosphere- rivers
C. rivers-atmosphere-groundwater-lakes-oceans-glaciers/ice caps
D. glaciers/ice caps-oceans--rivers-groundwater-lakes- atmosphere
.IA9) Name a piece of safety equipment you should use when using a bunsen burner.
You will be tested on the following objectives at the end of section I.B.4
1. Discuss the impact of water's unusual physical properties on Earth's life forms.
2. Define the terms physical property, density, gram, boiling point, freezing point, mixture, heterogeneous, solution, homogeneous, solute, solvent, suspension, colloid, Tyndall effect, atoms, element, compound, chemical bond, molecule, chemical symbol, chemical formula, subscript, chemical equation, chemical reaction, chemical property, reactants, product and diatomic molecules and apply them in an example.
3. Classify matter in terms of elements, compounds, and mixtures; and distinguish among different types of mixtures(solutions, colloids, and suspensions) in a laboratory setting.
4. Interpret the symbols and formulas in a balanced chemical equation in terms of atoms and molecules.
5. Match the names and symbols of the elements in the table on page 29.
Sample Quiz Questions:
.I.B.5) Type the word that means the SI unit of mass used most often in chemistry classes.
.I.B.5) What is the one common substance that expands as it freezes?
.I.B.5) How many atoms of hydrogen are present in six molecules of acetic acid(CH3COOH)?
.I.B.5) What is the name of the element whose symbol is Cl? The answer must be spelled correctly!
.I.B.5) Which of the following is an incorrect inventory of this balanced equation S8 + 8O2 à 8SO2. A. 1 molecule of S8 reacts with 8 molecules of O2 to form 8 molecules of SO2 B. 1 atom of S forms 8 atoms of SO2
C. 8 atoms of S react with 16 atoms of O and form 8 molecules of SO2
D. 1 atom of S reacts with 2 atoms of O and form 2 molecules of SO2
.I.B.5) If the instructions on a bottle of medicine say "shake before using", the material inside is probably a A. solution. B. colloid. C. suspension. D. pure liquid. E. solid.
You will be tested on the following objectives at the end of section I.B.10
1. Describe the three basic subatomic particles (proton, neutron, and electron) and their connection to the polarity and solubility of a compound..
2. Define the terms protons, electrons, neutrons, chemical bonding, polar, ions, ionic compounds, cations, anions, confirming tests, precipitate, reference solution, tap water, control, and data and apply them in an example.
3. Given the ion(iron, calcium, chloride or sulfate) be able to use the proper confirming test and predict the precipitate formed in the laboratory.
4. Determine the formula and name of a simple ionic compound when provided with the anion's and cation's names and charges.
5. Give the name of a non-metal or variable oxidation salt when given the formula or the formula when given the name.
6. Given the charge on two particles be able to tell whether they will attract or repel each other.
Sample Quiz Questions:
.IB10) Type the name of the substance composed of two or more elements that cannot be separated by physical means.
.IB10) The charge on a sodium ion is 1+, and that on a sulfide ion is 2-. If we represent the formula of sodium sulfide as N(x)S(y) then the subscript represented by y is......?
.IB10) Type the word that means in an experiment, a setup duplicating all conditions except the variable being tested.
.IB10) Electromotive force causes like charges to ......attract repel oscillate stick together
.IB10) Two charged objects are placed near each other and they repel each other. One of the objects carries a positive charge. The other object carries a ______________ charge.
.IB10) Which ion is indicated when a blood red color forms from the addition of potassium thiocyanate to a solution? calcium iron chloride sulfate
.1B10) What is the name of the compound Fe(NO3)3?
You will be tested on the following objectives at the end of section I.C.5
1. Define the terms solubility, insoluble, saturated, unsaturated, solubility curve, supersaturated, solution concentration, polar, nonpolar, heavy metals and apply them in an example.
2. With a graph calculate the amount of substance that can be dissolved and also determine the amount of water needed to dissolve a substance at a given temperature.
3. Determine the percent, ppt, and ppm concentration of solutions by mass.
4. Use solubility curves to describe the effect of temperature on solubility.
5. Use the polarity of water molecules to explain water's ability to dissolve ionic solids.
6. Evaluate the risks of contaminants in our water supply, with particular attention to the heavy metal ions of lead and mercury.
Sample Quiz Questions:
.IC5) Type the word that means the quantity of solute dissolved in a specific quantity of solvent or solution.
.IC5) If 21.9 g of sugar is dissolved in 115.0 g of water, the concentration of the solution is XX.X %. (Answer to the nearest tenth of a percent)
.IC5) At what temperature (in °C) is the solubility of dissolved oxygen 10 mg/kg of water?(Use the graph in your book.)(Answer to the nearest °C. )
.IC5) What is the solubility of potassium nitrate at 25°C?(Use the graph in your book.)(Answer to the nearest g/100g. )
.1C5) Which of the following is not a heavy metal?
A. Cadmium B. Iron C. Mercury D. Lead
.IC5) The solubility of oxygen in water at 21°C is 9.1 ppm. A sample of water from the river is found to have a DO (dissolved oxygen) concentration of 8.3 ppm. What is the percent of saturation for the river water? (XX) (Answer to the nearest 1 percent. Do not include units.)
You will be tested on the following objectives at the end of section I.C.12
1. Define the terms acids, bases, neutral, neutralization, pH scale, polyatomic, organic, electronegativity, and molecular substances and apply them in an example.
2. Demonstrate the ability to organize and interpret environmental and other data in graphs or tables.
3. Given the pH of a solution, classify it as acidic, basic or neutral.
4. Predict the solubilitys of solutes in solvents based on their polarities.
5. Use graphs for data analysis with respect to trends and possible problems for the fish in the Snake River.
6. From the formula, be able to tell whether an acid or base is strong or weak.
7. Be able to predict the products of a simple neutralization reaction.
Sample Quiz Questions:
IC12) According to Figure 26 in your book, what is the saturation level for oxygen at 250 C. Answer to the nearest 0.1 and include units.)
.IC12) Which of the following properties would we NOT observe for a solution of sodium hydroxide, NaOH, a base? turns litmus blue neutralizes acids has a pH less than 7 dissolves in water to produce hydroxide ions
.IC12) Which of the following is most soluble in hexane? ammonium chloride naphthalene copper(II) sulfate ethanol sodium chloride
.IC12) Which gas dissolves in atmospheric moisture to produce acid rain? A. hydrogen(H2) B. oxygen(O2) C. sulfur dioxide(SO2) D. nitrogen(N2)
.1C12) Is NaOH a strong or weak base?
.1C12) In a neutralization reaction, an acid reacts with a base to produce a salt plus A. hydrogen ion B. hydroxide ion C. water D. alcohol
You will be tested on the following objectives at the end of section I.D.6
2. Compare and contrast natural and artificial water purification systems.
3. Identify the chemicals used to adjust pH and to flocculate the water in a treatment plant.
4. Identify the problems of chlorination including the problems with trihalomethanes.
5. Identify ions associated with hard water and discuss how they might be removed
6. Compare methods of water softening and the chemistry of the systems including the methods of regeneration.
7. Assess the risks and benefits of water softening and chlorination.
Sample Quiz Questions:
.ID6) Type the word that means the process of removing certain anions or cations from a solution and replacing them with other anions or cations. Usually accomplished on a resin such as zeolite.
.ID6) The halogen most frequently used in water and sewage plants to kill microorganisms is _____________.
.ID6) Much of the raw water that comes from reservoirs and wells is acidic and the pH must be adjusted by adding a base. The base most commonly used in a water or sewage plant for pH adjustment is: lye lime vinegar milk of magnesia ammonia
.ID6) Some water softening units use ion exchange resins. What occurs in such a unit? A. Magnesium ions are exchanged for chloride ions. B. Calcium ions are exchanged for iron ions. C. Calcium ions are exchanged for magnesium ions. D. Calcium ions are exchanged for sodium ions.
.ID6) There are three ions which bear the primary responsibility for the hardness of water. One of them is the __________ ion.
.ID6) THM's(trihalomethanes) are formed when chlorine reacts with ____________ in water A. hard water ions B. suspended matter C. bacteria D. organic chemicals from decayed matter
.ID6) Some municipalities add a soluble fluoride compound to their drinking water supply. The reason is to A. improve the taste of the water. B. eliminate the bacteria found in the water, making it safer to drink. . precipitate the organic solids found in surface water reservoirs. D. reduce tooth decay by strengthening tooth enamel.
Unit II
You will be tested on the following objectives at the end of section II. A.5
1. Define the terms physical properties, physical change, chemical properties, chemical change, metals, nonmetals, metalloids, conductor, nonconductor, periodic table, Mendeleev, and atomic mass, malleable and brittle and apply them in an example.
2. Distinguish between chemical and physical properties and/or changes when given specific examples of each.
3. Classify selected elements as metals, nonmetals, or metalloids based on observations of their chemical and physical properties.
4. Construct a workable periodic table and explain its organization, given chemical and physical properties of a set of elements.
Sample Quiz Questions:
II.A.5) The high melting point of tungsten makes it useful for light bulb
filaments. A. Chemical Property B. Physical Property
II.A.5) Classify the element Sn. A. Metal B. Nonmetal C. Metalloid
II.A.5) Give the word or words that mean the arrangement of the elements into periods and groups or families according to their properties.
II.A.5) Which choice is a chemical change? A. Wood burns in a fireplace.
B. A glass of milk becomes sour. C. Mold "grows" on cheese. D. All of these.
II.A.5) Name a diatomic element that is not in column 1 of the periodic table.
You will be tested on the following objectives at the end of section II. A.8
1. Define the terms atomic number, nucleus, mass number, isotope, periods, groups or families, alkali metal, noble gas, alkaline earth metal, halogens and apply them in an example.
2. Use the periodic table to (a) predict physical and chemical properties of an element; (b) write formulas for various compounds; (c) identify elements by their atomic masses and atomic numbers; and (d) locate periods and groups(families) of elements.
3. Construct a workable periodic table and explain its organization, given chemical and physical properties of a set of elements.
4. Compare the reactivities of selected elements, and explain the results in terms of the structure of their atoms.
5. Determine properties of elements by the number and arrangement of the electrons in the atom.
Sample Quiz Questions:
II.A.8) Give the word or words used to name the elements of the first column of the periodic table.
II.A.8) The properties of the elements are closely related to the
arrangement of protons electrons neutrons
II.A.8) Lithium melts at 181°C, sodium melts at 98°C,
rubidium melts at 40°C, and cesium melts at 29°C. Refer to the periodic table and predict the melting point of potassium in °C. 22 34 58 126 254
II.A.8) Which of the following does NOT belong in this family? Cl F
I Ar Br
II.A.8) From the "Metal Reactivities" lab results, the metal elements can
be ranked in order of their chemical reactivity. This ranking is
called the :A. Periodic table B. Activity series C. Data table D. Bar graph
You will be tested on the following objectives at the end of section II. B
1. List the major layers of our planet and state what each is composed of.
2. List the three primary layers of our planet and some resources that are "mined" from each region.
3. Relate the abundance of various elements to the layers of the earth.
4. Define the terms reduction, oxidation, oxidation-reduction reactions, redox reactions, reducing agent, electrometallurgy, pyrometallurgy, hydrometallurgy, dot structure and oxdizing agent and apply them in an example.
5. Outline the production of a metal from its ore (using copper as an example) and list four factors which determine the profitability of mining.
6. Define oxidation and reduction, and compare the three most common redox-reaction methods for separating metals from their ores.
7. Use metal reactivities to predict if a given reaction will occur.
8. Identify which substances in a reaction are oxidized and which are reduced.
Sample Quiz Questions:
II.B) The process of combining a metal into a compound. Any process in which electrons are lost by a species.
II.B) Will zinc metal react with a solution of gold(III) nitrate? Yes No
II.B) Which row 3 metal is most reactive? sodium magnesium
aluminum
II.B)
Consider this reaction: Zn(s) + Cu¤+(aq) -----> Cu(s) + Zn¤+(aq)Which species undergoes oxidation? a) Zn(s) b) Cu¤+(aq) c) Cu(s)
d) Zn¤+(aq)
II.B) For the reaction:
Cu(s) + 2 Ag±Ú(aq) -----> Cu¤±(aq) + 2 Ag(s) Type the element name of the most active metal.
You will be tested on the following objectives at the end of section II. C.2.
1. State the law of conservation of matter and apply the law by balancing chemical equations.
2. Write balanced chemical equations and relate them to the law of conservation of matter.
3. Given a chemical equation be able to complete an atom inventory.
Sample Quiz Questions:
II.C.2) Referring to a molecule consisting of two atoms.
II.C.2) Name one of the products of the reaction between beryllium and hydrochloric acid.
II.C.2) Fill in the blank to balance this equation
4 NH3 + 5 O2 -----> ____ NO + 6 H2O
II.C.2) Is the following equation balanced
2 CuO + C --> 2 Cu + CO2
II.C.2) When the equation --- H3PO4 + KOH ---> K3PO4 + H2O ---
is balanced, what is the coefficient for H3PO4?
You will be tested on the following objectives at the end of section II. C.5.
1. Define the terms mole, molar mass, percent composition, renewable resources and nonrenewable resources and apply them in an example.
2. Calculate the molar mass of a compound when provided its formula and the atomic masses of its elements from a periodic table.
3. Calculate the number of moles and/or grams of products produce in a reaction when given the number of moles/grams of reactants.
4. Calculate the percent composition by mass of a specified element in a given compound.
5. Distinguish between renewable and nonrenewable resources, and identify the methods of conserving our resources.
Sample Quiz Questions:
II.C.5) Consider the "four R's" of resource conservation: To ____________ a resource means to refurbish or repair manufactured items or redistribute unwanted items, such as clothing, for use by others.
II.C.5) What is the mass of one mole of strontium atoms? Answer to the nearest 0.1 g and be sure to include units! (XX.X g)
II.C.5) What is the molar mass of aluminum sulfate, Al2(SO4)3? Answer to the nearest 0.1 g and be sure to include units! (XXX.X g)
II.C.5) Nitrogen reacts with hydrogen to form ammonia according to this equation: N2 + 3 H2 -----> 2 NH3. If 32.0 grams of nitrogen reacts completely with 9.0 grams of hydrogen, how many grams of ammonia will form? Answer to one decimal place and don't forget units! (XX.X U)
II.C.5) A mole of sulfur atoms has a mass of approximately 32 g. How many moles of sulfur atoms are in 80 g of sulfur?
You will be tested on the following objectives at the end of section II. D & E
1. Define the terms allotropes, ceramics, alloys, semiconductors, doping, coating, and electroplating and apply them in an example.
2. Describe the difference in the properties of an element due to the arrangement of the element's atoms.
3. Describe the difference between the proterties of an element and the properties of its alloy.
4. Describe how the conductivity of a material can be changed.
5. Describe how the properties of a material may be changed by applying a coating.
6. Given a burner be able to safely and properly adjust and use the burner.
Sample Quiz Questions:
II.D) Brass is an alloy of: A. tin and zinc B. sodium hydroxide and
copper C. copper and zinc D. copper and tin
II.D) In an experiment, the ____________ is a setup that duplicates all of the conditions of the experiment except the one being tested.
II.D) Two or more forms of an element in the same state that have distinctly different physical and/or chemical properties. Type the word.
II.D) Ceramics can be used to make all of the following except: A.
Engines B. dishes C. pool balls D. electrical insulators
II.D) What do you do at once if your hand is splashed with hot, liquid
NaOH? A. Put on your goggles. B. Wash with plenty of water.
C. Apply Vaseline over the splased area of skin. D. Remove the penny
from the liquid.
UNIT III
You will be tested on the following objectives at the end of section III. A.1-A.5.
1. Identify objects made from petroleum.
2. Compare the usage of petroleum for "building" and "burning".
3. Identify regions of high petroleum usage and regions of petroleum reserves.
4. Describe the chemical makeup of petroleum, how it differs from other natural resources, and how it is refined.
5. Describe the process of fractional distillation and name the typical products manufactured from each fraction.
6. Define crude oil, hydrocarbons, distillation, distillate, fractional distillation, fractions, intermolecular forces, organic chemistry, carbon chain, energy levels, covalent bonds, electron-dot formulas, and structural formula.
Sample Quiz Questions:
III.A.5) Which of the following objects is NOT made from petroleum or petroleum products?
plastic switchplate cover kerosene synthetic vitamins PVC irrigation pipe facial tissue
III.A.5) Which region of the earth has the majority of the earths oil reserves? Africa Asia and the Pacific Middle East
North America Western Europe
III.A.5) Is North America primarily an importer or an exporter of petroleum?
III.A.5) In 1990 Iraq attacked a small oil rich country of Kuwait that supplied the United States with petroleum. This act led to "The Gulf War." Was America's response motivated in any part by fear of loss of petroleum supplies?
III.A.5) If new environmental regulations were enforced so that the oil companies would have to invest 10% of their earnings in new pollution control devices, we would expect the price of gasoline to increase decrease
You will be tested on the following objectives at the end of section III. A.6-7
1. Define alkanes, saturated hydrocarbons, tetrahedron, extrapolation, straight-chain alkanes, branched-chain alkanes, and isomers.
2. Name the first ten alkanes.
3. Draw structural and electron-dot formulas for each of the first ten alkanes.
4. Describe the process involved in ionic and covalent bonding.
5. State and explain the effect of carbon length and side groups on the boiling point of a hydrocarbon.
6. Predict the relative boiling point of a hydrocarbon based on the carbon length and side groups
7. Draw structural formulas for the isomers of a given hydrocarbon.
8. Define the term isomer and draw the structural formulas for the first trhree isomers of a given compound.
8. Build models of the first 10 alkanes and their isomers.
9. Extrapolate data from a graph.
Sample Quiz Questions:
IIIA7) Give the name of the term that refers to a chemical bond in which two atoms hold tightly to one another by sharing electrons.
IIIA7) A straight-chain alkane has the formula C7H14. What is the name of this compound?
IIIA7)
Which of the following is the correct structural formula for butane?(You will be given 5 structures to chose from.)IIIA7)
Which of the following isomers of hexane has the highest boiling point? (Type letter only!) (You will be given 5 structures to chose from.)When carbon bonds to hydrogen, neither atom is able to remove electrons from the other, yet they form a bond by sharing electrons. What type of bond is this? metallic ionic van der Waals hydrogen covalent
IIIA7)
Give the word that means: the mass per unit volume of a substance, usually expressed in g/mL in this class.Hydrocarbons with 12 to 16 carbon atoms. Useful as a fuel and for lamps, stoves, tractors. A starting material for the cracking process. Fraction of petroleum collected between 200 degrees Celsius and 300 degrees Celsius.. gas gasoline kerosene gas oil lubricating stocks bottoms
IIIA7) Type the chemical name of the alkane whose molar mass is 58 g/mole.
You will be tested on the following objectives at the end of section III. B.
1. Explain endothermic and exothermic reactions in terms of bond breaking and forming.
2. Identify energy conversions and explain energy conversion efficiency.
3. Define the terms heat of combustion and specific heat and calculate energies of various combustion reactions.
4. Write balanced equations for the combustion of hydrocarbon fuels, including energy changes.
5. Explain the term octane number, state its relationship to grades of gasoline, and identify two ways of increasing octane numbers.
6. Give examples of endothermic and exothermic reactions.
7. Identify the joule(J) as the SI unit of energy.
8. Measure temperature to the nearest 0.1 degree using an alcohol thermometer.
8. Measure volume to the nearest milliliter using a 100 mL graduated cylinder.
10. Use an electronic balance to determine mass to the nearest 0.01 grams.
11. Calculate the amount of heat in Joules required to raise a given amount of water a given number of degrees C.
12. Define the terms fossil fuels, potential energy, kinetic energy, endothermic, exothermic, law of conservation of energy, specific heat, heat of combustion, molar heat of combustion, cracking, octane number, oxygenated fuel and gasohol and apply them in an example.
13. Calculate the savings resulting from increased automobile efficiency.
Sample Quiz Questions:
IIIB) Refer to the table at right. How many Joules are required to raise the temperature of the water in the experiment? Answer to the nearest hundred and include units. (XXX00 J)
IIIB) Which of the following examples is an example of a chemical-potential to kinetic conversion?
A. riding a bike B. light bulb burning C. wind powered electricl generator D. gasoline powered lawn mowerIIIB) Rating that indicates the combustion quality if gasoline relative to an isomer of CH¡.
IIIB) Assume that you drive your car 200 miles per week and your car can travel 18.0 miles on a gallon of gasoline that costs $1.10. How many gallons of gas would you use in a week? Answer to one decimal place without units. (XX.X)
IIIB) Here is the unbalanced equation for the burning of propane.
What coefficient should go where letter B is?
_A._ C£H + _B._ O™ ---> _C._ CO™ + _D._ H™O
You will be tested on the following objectives at the end of section III. C.
1. Compare saturated and unsaturated hydorcarbons in terms of molecular models, formulas, and structures.
2. Compare the physical and chemical properties of saturated and unsaturated hydorcarbons.
3. Build a model of an alkene.
4. Given its formula, list the isomers of an alkene.
5. Identify the functional groups for common alcohols, ethers, carboxylic acids, and esters.
6. Synthesize a simple ester.
7. Describe polymerization and give one example of addition and condensation reactions.
8. Define the terms petrochemicals, addition reaction, polymer, monomer, addition polymers, branched polymers, alkenes, double covalent bonds, unsaturated, alkynes, cycloalkanes, aromatic compounds, alcohols, functional group, carboxylic acids, esters, condensation reaction and condensation polymer.
Sample Quiz Questions:
IIIC) Attractive force between two atoms in a molecule resulting from the sharing of one pair of electrons.
IIIC) Which of these carbon skeletons represents a compound which contains exactly 6 hydrogen atoms? Answer name only. (You will be given several drawings to choose from.)
IIIC) Organic (carboxylic) acid plus alcohol yields ester plus
____________ . A. ether B. alkene C. alkane D. alkyne E. water
IIIC) C°H¡™ (straight chain) is A. saturated B. unsaturated
IIIC) Which plastic contains an aromatic (benzene) ring? A. polyvinyl
Chloride B. polyacrylonitrile C. polystyrene D. polyethene
You will be tested on the following objectives at the end of section III. D.
1. Interpret complex graphs with multiple lines that represent the sums of the information below each line.
2. Trace the history of energy sources and consumption patterns in the United States, and account for major changes.
3. Describe major sources of energy for the United States today.
4. Describe major sources of energy for the United States in the future.
5. Define biomolecules.
6. Describe major sources of energy and alternative sources of fuels and builder molecules for the future.
7. Describe alternative fuels that may be used to extend, supplement, or replace petroleum as Earth's primary fuel.
Sample Quiz Questions:
IIID) Which of the following is NOT a fossil fuel?coal hydrogen
petroleum natural gas
IIID) Probably the MAJOR problem with our present energy use pattern is
That A. our resources don't give us enough energy per gram
consumed. B. the nuclear wastes have no place to be discarded. C. the
major resources are nonrenewable. D. it is too expensive.
IIID) What are the advantages and disadvantages of a electric alternative
fuel vehicle? A. non-renewable, hard to store, burns easily, polluting B.
renewable, hard to store, nonpolluting C. renewable, hard to store,
nonpolluting, efficient D. complex hardware, hard to store, gasoline
pollutes-renewable
IIID) Press the "Graph" button below to see the graph! Then answer this
question! What per cent of our energy came from fossil fuels in 1970?
12 17 45 58 94 (Graph is the same as the one in your book.)
IIID) An advantage of petroleum over wood could be that it is A. easier to
get. B. renewable. C. easier to transport. D. not polluting. E. cheaper.
UNIT IV
You will be tested on the following objectives at the end of section IV.A.5.
1. Be able to state the percent of oxygen, nitrogen and carbon dioxide in air.
2. Identify the major components of the troposphere and indicate their relative concentrations.
3. Sketch or graph the relationship between altitude and air pressure.
4. Discuss air pressure and explain how to measure it.
5. Define troposphere, derived units, barometer, kinetic energy, kinetic molecular theory, Boyle's Law, pressure, newton, pascal, and mmHg.
6. With force, area and pressure be able to determine the missing value if one is missing.
7. Describe with words and mathematical equations the interrelationships among volume and pressure of a gas(Boyle's law), and list one practical application.
8. Given volume and pressure information on a system be able to solve for the new volume or pressure.
Sample Quiz Questions:
IV.A.5) Standard atmospheric pressure is A. 100 atmosphere
B. 1 mm Hg C. 760 mm Hg D. 760 atmospheres
IV.A.5) Clean, unpolluted air is a pure substance. (True/False)
IV.A.5) Which can be used to explain both Boyle's Law and Charles'
Law? A. atomic theory B. law of conservation of atoms C. kinetic
molecular theory D. law of conservation of charges
IV.A.5) A given mass of oxygen occupies 400 mL when the pressure is
800 mm Hg. If the temperature is kept constant, what is the volume that
the gas will occupy when the pressure is decreased to 400 mm Hg? A.
200 mL C. 1600 mL B. 800 mL D. 2400 mL
IV.A.5) You have 1.42 L of a gas exerting a pressure of 125 kPa.
Assuming constant temperature, what pressure will the gas exert if its
volume is reduced to .853 L? A. 75.1 kPa C. 151 kPa B. 208 kPa
D. more information needed
You will be tested on the following objectives at the end of section IV.A.End.
1. Show how Avogadro's law and the concept of molar volume clarify the interpretation of chemical equations involving gases.
2. Be able to determine the number of liters of a gas in a chemical equation if given the volumes of the other gases.
3. Describe with words and mathematical equations the interrelationships among amount, temperature, volume, and pressure of a gas(Avogadro's, Charles' and Boyle's laws), and list one practical application of each law.
4. Account for the gas laws in terms of the kinetic molecular theory of gases.
5. Be able to solve problems involving pressure, temperature and volume in gases.
6. Define and apply in appropriate situations Charles' law, kelvins, ideal gase, Avogadro's Law, molar volume, absolute zero and STP.
Sample Quiz Questions:
IV.A.9) At constant pressure, the kelvin temperature divided by the
volume of a given gas sample is a constant value.
IV.A.9) What would the kelvin temperature be if the Celsius temperature
were 110 degrees?
IV.A.9) Standard pressure is the pressure exerted by the column of
mercury with a height of exactly A. 273 mm B. 760 mm C. 760 cm
D. 1.00 mL
E. 1 ATMIV.A.9) A sample of nitrogen occupies a volume of 250.0 mL at 298 K.
What volume will it occupy at 368 K? (Assume pressure is constant.)
IV.A.9) You have 23.5 mL of a gas collected at 755 mm Hg and 285 K.
What volume will it occupy at 742 mm Hg and 295 K. A. 22.3 mL
B. 23.1 mL C. 29.9 mL D. 24.8 mL
You will be tested on the following objectives at the end of section IV.B.
1. Define and apply in appropriate situations electromagnetic radiation, electromagnetic spectrum, photons, frequency, wavelength, greenhouse effect, greenhouse gases, reflectivity and carbon cycle.
2. Compare the various components of solar radiation. Electromagnetic radiation includes x-rays, gamma rays, ultraviolet(UV), visible and infrared(IR) radiation, radio waves and microwaves. The energy transmitted by radiation varies according to its wavelength---the shorter the wavelength, the higher the energy.
3. Earth's atmosphere protects living organisms by absorbing and distributing solar energy.
4. Electromagnetic radiation can interact with matter to transfer energy.
5. Describe the greenhouse effect, its natural incidence and causes, and the significance of industrial contributions.
6. Discribe the function of the ozone layer and how human acitivities may be affecting it.
Sample Quiz Questions:
IV.B) 90.0 ml of water in an insulated container is at a temperature of 25º C. A 24.3 g mass at 103º C. is lowered into the container and the water temperature changes to 29º C. What is the specific heat of the mass? Type your answer to the nearest hundredth without units.
IV.B) This part of sunlight has the most energy A. infrared B. visible light
IV.B) What fraction of the energy absorbed from the Sun powers the
Earth's hydrologic cycle? A. one-eighth B. one-fifth C. one-fourth
IV.B) Which has the highest energy and therefore may be most harmful?
A. cosmic rays B. ultraviolet rays C. infrared rays D. radio waves
IV.B) If a substance has a high specific heat capacity, which of the
following is true? A. It requires only a small amount of energy to
increase its temperture. B. Its temperture has been increased to the
maximum point. C. It will heat up quickly. D. It will glow in the dark.
E. It requires a large amount of energy to increase its temperature.
You will be tested on the following objectives at the end of section IV. C.
1. Define acid rain, hydronium ion, pH, alkaline, neutralization, molarity, dynamic equilibrium, and buffer.
2. Describe the sources and consequences of acid rain.
3. Define the terms acid and base, give examples of each, describe their formation with balanced ionic equations, and relate hydrogen ion concentration to the pH scale.
4. Rain water is naturally acidic, but contaminants in the atmosphere can produce precipitation that is even more acidic than normal.
5. Sulfur oxides and nitrogen oxides generated from natural and human sources contribute to acid rain.
6. Acids produce hydrogen(hydronium) ions in water, while bases produce hydroxide ions. Strong acids and bases ionize completely: weak acids and bases ionize only partially.
7. Acidic solutions contain a higher concentration of hydrogen ions than hydroxide ions; basic solutions contain a higher concentration of hydroxide ions than hydrogen ions. Neutral solutions contanin equal concentrations of hydrogen and hydroxide ions.
8. pH is a measure of the molar concentration of hydrogen ions in a solution. Solutions with pH 7.0 at room temperature are neutral, while those with a lower pH are acidic and those with a higher pH are basic.
9. Acidic precipitation can lower the pH of lakes and streams, which can adversely affect aquatic life.
Sample Quiz Questions:
IV.C) Normal rainwater has a pH of A. 14 B. 9.6 C. 7
IV.C) Which of the following correctly describes a weak acid?
A. It produces hydronium ions that are less effective than those from
strong acids. B. It completely ionizes. C. It partially ionizes.
D. It produces hydroxide ions.
IV.C) Below are the names and formulas of three common acids and
bases. Match the names to the list of formulas and choose the
correct order for the names from the choices below.
HNO£ 1. sodium hydroxide
HCl 2. hydrochloric acid
NaOH 3. nitric acid
A. 1,2,3 B. 1,3,2 C. 2,1,3 D. 2,3,1 E. 3,2,1 F. 3,1,2
IV.C) What is the molarity of a solution that has 6.0 moles of substance
dissolved in 250 mL of water? Type number only with proper significant
figures.
IV.C) Salts of strong base and weak acid will produce a solution that is:
A. slightly basic B. slightly acidic C. neutral D. strongly basic
UNIT V
You will be tested on the following objectives at the end of section V. C.
1. Define electrochemistry, electrolysis, electrolyte, half-cells, voltaic cell, electrodes, electric current, electrical potential, half-reactions, anode and cathode.
2. An operating voltaic cell, which is based on a spontaneous oxidation-reduction reaction, converts chemical energy to electrical energy. The magnitude of the current generated by a cell depends in part on its electrical potential.
3. The activity series can be used to predict the direction of electron flow within a particular voltaic cell.
4. Any oxidation-reduction can be described in terms of two half-reactions. Batteries, based on particular oxidation-reduction reactions and consisting of one or more voltaic cells, provide convenient portable ways to energize many common electrical devices.
5. The Hall-Heroult process is an industrially important way to reduce aluminum cations to aluminum metal.
6. All technologies--new and old--have both positive and negative consequences. Benefit-burdern analysis can help guide decisions about selecting and using these technologies.
Sample Quiz Questions:
V.C) What color is Cu¤± in solution?
A. colorless D. greenB. orange E. scarlet
C. blueV.C) In electrolysis, ________ always occurs at the cathode.
A. oxidation B. reduction C. plating D. gas formation
V.C) When a substance is reduced, it A. gains positive charges
B. is oxidized C. does both A and B D. does neither A nor B
V.C) Type the word(s) that mean: process in which a chemical reaction is
caused by passing an electrical current through an ionic solution.
V.C) Activity Series of Metals: lithium>sodium>magnesium>
aluminum>manganese>zinc>chromium>iron>nickel>tin>lead>
copper>silver>gold According to the activity series, which of
these makes the best negative terminal? A. lithium B. zinc
C. silver D. magnesium
UNIT VI
You will be tested on the following objectives at the end of section VI. A.
1. Radiation can be described as either ionizing or nonionizing.
2. The constituent atoms of a radioactive substance are unstable and undergo spontaneous changes in nuclear structure. Radioactivity usually results in the emission of alpha, beta, and gamma radiation.
3. Rutherford's gold-foil experiment resulted in a model of the atom having a tiny, massive, positively charged region at the center of the atom---the nucleus---with negativelly charged electrons surrounding the nucleus.
4. Discuss theory that relates the emission spectrum of elements to the models of the electron structure of the atom.
5. Describe the experiments of Roentgen, Becquerel, the Curies, and Rutherford, and explain how they led to modifications in the atomic model.
6. Describe the properties and locations of the three major subatomic particles.
7. Define the term isotope, and interpret nuclear isotope notation.
8. Use molar masses and isotopic abundance data to calculate average mass and relative abundance of elements.
9. Define fluorescence, cathode rays, X rays, radioactivity, ionizing radiation, nonionizing radiation, nuclear radiation, radioactive decay, alpha rays, beta rays, gamma rays, nucleons, and subatomic particles.
10. Atoms of an element having different numbers of neutrons are isotopes of that element. Isotopes that are radioactive are called radioisotopes.
Sample Quiz Questions:
VI.A) Type the word(s) that mean: high energy electromagnetic radiation emitted by radioisotopes during radioactive decay.
VI.A) 75% of the atoms of element Z are the isotope Z-40 and 25% are Z-42. What is the average atomic mass of a sample of element Z? Answer to the nearest tenth, XX.X.
VI.A) Which part of the atom "decays"? A. radioisotope
B. electron cloud C. nucleus D. neutrons
VI.A) Rutherford's gold-foil experiment demonstrated that
A. electrons have a negative charge B. energy is given off in little
Packets C. X-rays are characteristics of the metal used as the
Anode D. most of the atom is empty space
VI.A) English school teacher who is considered the father of modern
atomic theory. First man to publish evidence to verify the existence
of atoms (1803) Dalton Thomson Roentgen Becquerel
Curie Rutherford Bohr
You will be tested on the following objectives at the end of section VI. B.
1. Alpha, beta, and gamma radiation differ in properties, including the extent of shielding required to stop the radiation. Three key factors in minimizing exposure to radiation are shielding, exposure, and proximity.
2. Balance nuclear equations and use them to describe natural radioactive decay.
3. Radiation emitted by naturally occurring radioisotopes is the source of background radiation in the environment.
4. Define background radiation, mutation, Geiger counter, metastable, scintillation counter, and solid-state detectors.
5. Ionizing radiation has sufficient energy to break chemical bonds.
6. The emission of nuclear radiation changes the composition of the nucleus. These changes are represented by nuclear equations.
7. Ionizing radiation may be detected by its interaction with matter using a variety of detectors such as unexposed photographic film, scintillation counters, solid-state detectors, cloud chanmbers, or Geiger-Mueller counters.
Sample Quiz Questions
VI.B) The nuclear radiation with a negative charge is
A. alpha particles B. beta particles C. gamma rays
VI.B) The noble gas that can emit harmful radiation in the basement
of some homes and is the number one source of natural background
radiation is A. xenon B. uranium C. krypton D. radon
VI.B) A source of gamma radiation is held at various distances from
a radiation detector. At which distance would the intensity be greatest?
1 cm 2 cm 4 cm 8 cm 16 cm
VI.B) Type the word that means changes in the structure of DNA
which may result in the synthesis of different proteins.
VI.B) Alpha particles can cause extensive damage for up to about
0.025 ___ from their origination? in m km dm mm
You will be tested on the following objectives at the end of section VI. C. & D.
1. Half-life is a measure of the time required for a radioisotope to decay. These essentially unchangeable half-lives vary from element to element.
2. Radioisotopes can be used as tracers for diagnostic purposes.
3. Ionizing radiation emitted by some radioisotopes can be used to kill cancerous cells.
4. Certain large nuclei, upon bombardment with neutrons, split into two smaller nuclei and several additional neutrons. This process is referred to as nuclear fission.
5. The strong force holds the nucleus of an atom together. Nuclear reactions result in a small loss of mass, which is converted into large quantities of energy.
6. A critical mass of fissionable material is required to sustain a chain reaction.
7. The electricity produced by a nuclear power plant originates from the energy released by fission of U-235 in a controlled chain reaction.
8. Nuclear fusion results from the combination of two relatively small nuclei into a new, more massive atom. Thes process, which powers the Sun and other stars, requires extremely high temperature and pressure.
9. Permanent disposal of nuclear waste poses problems related to the volume, level of radioactivity, and half-lives of radioisotopes present in the waste.
10. Define the terms half-life, fusion, fission, radioisotopes, critical mass and chain reaction.
Sample Quiz Questions:
VI.C&D) If you start with 259 pounds of Simmsium, a new element, with
a half-life of 13 hours, how many half-lives does it undergo
before 16.2 pounds of the sample is still the original element?
A. two B. three C. four D. five
VI.C&D)
E = mc¤ is the equation that describes the amount ofenergy created when some mass of an atom is lost. Who is
given credit for this equation?
A. Lise Meitner B. Neils BohrC. Robert Oppenheimer D. Albert Einstein
VI.C&D) Which of the following best describes fusion?
A. a large atom is split into two almost equal atoms
B. two small atoms join to form one larger atom
C. a small atom loses a beta particle to become an atom of a different
element
D. a large atom loses an alpha particle to become an atom of a different
Element
VI.C&D) Carbon-14 undergoes radioactive decay with a half-life of
5730 years. What fraction of a sample of carbon-14 will remain
unchanged after 2 half-lives? one half one fourth one sixteenth
three fifths none
VI.C&D) If a radiaoisotope with a half-life of five minutes emits 650
counts per minute(cpm), how much radiation is expected after 30
minutes? A. 10.2 cpm B. 20.3 cpm C. 40 cpm D. 325 cpm