Introduction to Chemistry
1. What is a copyright?
2. When is a copyright effective?
3. What is fair use?
4. How do you acknowledge a copyright?
5. What are the four parts of an APA paper?
6. What are the four parts of an APA reference?
7. When are in-text citations used in APA format?
8. What is chemistry?
9. What are the four parts of the scientific method?
10. What is a control experiment?
11. Describe the three types of variables.
12. Compare laws, theories, and hypotheses.
13. What is the only way to prove a hypothesis true?
14. Why do laws and theories evolve?
15. What is the last step of solving any problem?
16. What is measurement?
17. What is a dimension?
18. What is a unit?
19. What is the difference between fundamental and derived units?
20. Why is the standard for mass, in the SI, unique?
21. What is the difference between mass and weight?
22. Why is Zero in the Kelvin scale called absolute zero?
23. What is temperature?
24. Why is the number 6.022 x1023 important?
25. What is the difference between mass and moles?
26. Is density a fundamental or derived unit?
27. How is a conversion factor made?
28. How is one unit converted to another?
29. What is precision?
30. What do the significant figures of a measurement indicate?
31. In what situation are trailing zeros always significant.
32. Numbers in scientific notation have the basic form A x10B. What is the range of A?
33. What kind of number will have a negative B?
34. Why do scientists use graphs?
35. What variables go on which of the axes of a graph?
36. How do direct and inverse relationships differ?
37. Describe the graph of a direct linear relationship.
38. Describe the graph of an inverse parabolic relationship.
39. What is the slope of a horizontal line?
40. In an experiment the independent variable does not change. What is the slope of the graph?
41. During a lab experiment the temperature of the gas in a balloon is varied and the volume is measured. Which of the two variables will be graphed on the horizontal axis and which will be graphed on the vertical axis?
42. What kind of relationship exists between P and z in this equation?
P = mv/z2