GENERAL CHEMISTRY-II (1412)
                                    S.I. # 16

1. For the gas-phase reaction H2 (g) + F2 (g)  2HF (g), how is the rate of
disappearance of H2 related to the rate of appearance of HF? ___________
          a. ∆[H2] / ∆t = 2 ∆[HF] / ∆t
          b. ∆[H2] / ∆t = - 2 ∆[HF] / ∆t
          c. ∆[H2] / ∆t = - ∆[HF] / 2∆t
          d. ∆[H2] / ∆t = ∆[HF] / ∆t
          e. ∆[H2] / ∆t = ∆[HF] / 2∆t

2. Consider the reaction 3A  2B.
The average rate of appearance of B is given by [B] /t. How is the average rate of
appearance of B related to the rate of disappearance of A?




3. The hydrolysis of t-butyliodide is (CH3)3Cl + H2O  (CH3)3COH + HI
and the equation governing the rate of this reaction is rate = k[(CH3)3Cl]1. What is
the order of each reactant and the over all order of the reaction?



4. If 2N2O5  4 NO2 + O2 and the rate law is 1st order in N2O5, writ the rate law for
the reaction.


5. The reaction 2 NO + 2H2  N2 + 2H2O is 1st order in H2 and 2nd order in NO.
Write the rate law for the reaction.


6. If the reaction 2 A + 3 D  products is 1st order in A and 2nd order in D, the rate
law will have the form rate equal to:


7. For 1st order reactions, the rate constant, k, has the unit(s): ________________
a. time          b. time mol L-1       c. L mol-1   d. (mol/L)-1 time-1   e. time-1


8. The rate equation for the decomposition of H2O2 in the presence of I- is the rate =
k [H2O2][I-]. What are the unit(s) of k?


9. In the reaction A  products, the initial concentration of A is 1.56 M and the
initial rate is 0.0190 M/sec. What is the value of the rate constant k in sec-1?




10. Write the equilibrium constant fo the heterogeneous reaction
          2NaHCO3 (s)  Na2CO3(s) + CO2(g) + H2O (g)




NOMENCLATURE!!!
1. Butyl Chloride                               23. HgCl2
2. Butyl Alcohol                                24. C2O42-
3. O3                                           25. Urea
4. NH4                                          26. Cyclopentadiene
5. Nitrite                                      27. Dicyclopentadiene
6. NO                                           28. C2H5OH
7. (CH3)2O
8. Methyl isonitrile                            29. CoCl2
9. Acetonitrile                                 30. CCl4
10. CH3Br                                       31. NaOCl
11. H2O2                                        32. AgCl
12. Ethylene                                    33. FeCl3 6H2O
13. Ethane                                      34. Sodium Sulfate
14. Al2O3                                       35. Sodium Acetate
15. HCOOH                                       36. Ammonia
16. C2H5Br                                      37. Hydrogen sulfide
17. Peroxydisulfate                             38. Ammonium Nitrate
18. Sucrose
19. Silica
20. H2S
21. CHCl3
22. OCl-

SI #16

  • 1.
    GENERAL CHEMISTRY-II (1412) S.I. # 16 1. For the gas-phase reaction H2 (g) + F2 (g)  2HF (g), how is the rate of disappearance of H2 related to the rate of appearance of HF? ___________ a. ∆[H2] / ∆t = 2 ∆[HF] / ∆t b. ∆[H2] / ∆t = - 2 ∆[HF] / ∆t c. ∆[H2] / ∆t = - ∆[HF] / 2∆t d. ∆[H2] / ∆t = ∆[HF] / ∆t e. ∆[H2] / ∆t = ∆[HF] / 2∆t 2. Consider the reaction 3A  2B. The average rate of appearance of B is given by [B] /t. How is the average rate of appearance of B related to the rate of disappearance of A? 3. The hydrolysis of t-butyliodide is (CH3)3Cl + H2O  (CH3)3COH + HI and the equation governing the rate of this reaction is rate = k[(CH3)3Cl]1. What is the order of each reactant and the over all order of the reaction? 4. If 2N2O5  4 NO2 + O2 and the rate law is 1st order in N2O5, writ the rate law for the reaction. 5. The reaction 2 NO + 2H2  N2 + 2H2O is 1st order in H2 and 2nd order in NO. Write the rate law for the reaction. 6. If the reaction 2 A + 3 D  products is 1st order in A and 2nd order in D, the rate law will have the form rate equal to: 7. For 1st order reactions, the rate constant, k, has the unit(s): ________________ a. time b. time mol L-1 c. L mol-1 d. (mol/L)-1 time-1 e. time-1 8. The rate equation for the decomposition of H2O2 in the presence of I- is the rate =
  • 2.
    k [H2O2][I-]. Whatare the unit(s) of k? 9. In the reaction A  products, the initial concentration of A is 1.56 M and the initial rate is 0.0190 M/sec. What is the value of the rate constant k in sec-1? 10. Write the equilibrium constant fo the heterogeneous reaction 2NaHCO3 (s)  Na2CO3(s) + CO2(g) + H2O (g) NOMENCLATURE!!! 1. Butyl Chloride 23. HgCl2 2. Butyl Alcohol 24. C2O42- 3. O3 25. Urea 4. NH4 26. Cyclopentadiene 5. Nitrite 27. Dicyclopentadiene 6. NO 28. C2H5OH 7. (CH3)2O 8. Methyl isonitrile 29. CoCl2 9. Acetonitrile 30. CCl4 10. CH3Br 31. NaOCl 11. H2O2 32. AgCl 12. Ethylene 33. FeCl3 6H2O 13. Ethane 34. Sodium Sulfate 14. Al2O3 35. Sodium Acetate 15. HCOOH 36. Ammonia 16. C2H5Br 37. Hydrogen sulfide 17. Peroxydisulfate 38. Ammonium Nitrate 18. Sucrose 19. Silica 20. H2S 21. CHCl3 22. OCl-