August 16, 2009
[PROBLEM SET FROM R. CHANG TEST
BANK]
102. For the first-order reaction, A → products, if half of the initial concentration of A reacts in 20 min, then
the remaining half will completely react in the next 20 min.
True False
103. Substitute natural gas can be synthesized by passing carbon monoxide and hydrogen over Ni or Co at
400°C.
This process is an example of homogeneous catalysis.
True False
104. The rate law predicted by the following two-step mechanism is Rate = k[A][B].
True False
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