Chem 102 - General Chemistry II » Winter 2021 » Quiz 1

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
What is chemical kinetics?
A.   The study of reaction rates and the study of how reaction rates change under varying conditions
B.   The study of reaction rates , the study of how reaction rates change under varying conditions and the study of what molecular events occur during the overall reaction
C.   The study of reaction rates
D.   The study of how reaction rates change under varying conditions
E.   The study of what molecular events occur during the overall reaction
Question #2
Which below is not a factor that can affect the rate of any given reaction?  
A.   Boiling Point
B.   Surface area of a solid reactant or catalyst
C.   Concentration of catalyst
D.   Concentration of reactants
E.   Temperature
Question #3
True or false? The reaction rate is the increase in molar concentration of product of a reaction per unit time with units of mol/(L·s). 
A.   TRUE
B.   FALSE
Question #4
Calculate the average rate of decomposition of NH4NO2 by the reaction 2NH4O5(aq) --> N2(g) + H2O(g) at the following time interval. At time 250 s, the concentration of NH4NO2 is 4.12 M. At time 330 s, the concentration of NH4NO2 is 1.48 M.   
A.   0.032 M/s
B.   0.036 M/s
C.   0.034 M/s
D.   0.033 M/s
E.   0.035 M/s
Question #5
Consider the reaction:  2NO(g) + H2(g) --> N2O(g) + H2O(g). In a series of experiments, the following rate law was obtained: Rate = k [NO] [H2]2   What is the reaction order with respect to H2 
A.   4
B.   3
C.   1
D.   5
E.   2
Question #6
Consider the reaction:  I–(aq) + ClO–(aq) + OH–(aq) --> IO–(aq) + Cl–(aq). In a series of experiments, the following rate law was obtained: Rate = k [I–] [ClO–]2.  What is the overall reaction order? 
A.   3
B.   4
C.   0
D.   5
E.   2

Need help with your exam preparation?

Existing Quiz Clients Login here