Chemical Reaction Study Questions

 

  1. What is a chemical reaction?
  2. What is evidence a reaction has occurred?
  3. What is a chemical equation?
  4. Define reactants.
  5. Define products.
  6. Define skeleton equation.
  7. Define catalyst.
  8. What information is found in an equation?
  9. What symbols are used to represent the states of matter?
  10. What is the meaning of “aq”?
  11. How do you indicate a catalyst is being used in a reaction?
  12. What is activation energy?
  13. What the three things does conservation of matter require of chemical equations?
  14. What is the procedure for balancing a chemical equation?
  15. Balance the equation for the reaction of magnesium chloride and silver nitrate to form magnesium nitrate and silver chloride.
  16. What is a synthesis reaction?
  17. How is a combustion reaction related to a synthesis reaction?
  18. What type of reaction is an explosion?
  19. Compare decomposition and dissociation.
  20. What determines whether one metal will replace another in a single displacement reaction?
  21. What is the general form of a double displacement reaction?
  22.  What type of reaction is each of these?
    1. 2Na(s) + Cl2(g) à 2NaCl(s)
    2. PCl5(s) à PCl3(s) + Cl2(g)
    3. 2Al(s) + Fe2O3(s) à 2Fe(s) + Al2O3(s)
    4. C6H12O6(s) + 6O2(g) à 6CO2(g) + 6H2O(l)
    5. BaCl2(aq) + H2SO4(aq) à 2HCl(aq) + BaSO4(s)
  23. What type of materials will have a Oxidation-Reduction (redox) reaction?
  24. What is the new definition of oxidation?
  25. How is reduction defined in chemistry?
  26. Compare the electron affinity of oxidizers and reducers.
  27. What is the effect of a redox reaction on metals?
  28. What is the effect of a redox reaction on non-metals?
  29. What is the oxidation number of an element?
  30. What is the oxidation number of the fluorine ion?
  31. What is the sum of the oxidation numbers in a compound?
  32. Can a redox reaction form a molecule?  Explain your answer.
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