Multiple Choice
One difference between first- and second- order reactions is that .
A) the rate of a first- order reaction does not depend on reactant concentrations; the rate of a second- order reaction does depend on reactant concentrations
B) a first- order reaction can be catalyzed; a second- order reaction cannot be catalyzed
C) the rate of a first- order reaction depends on reactant concentrations; the rate of a second- order reaction does not depend on reactant concentrations
D) the half- life of a first- order reaction depends on [A]0; the half- life of a second- order reaction does not depend on [A]0
E) the half- life of a first- order reaction does not depend on [A]0; the half- life of a second- order reaction does depend on [A]0
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Rates of reaction can be positive or
Q82: The rate constant for a particular second-
Q83: The average rate of disappearance of I
Q84: The initial concentration of reactant in a
Q85: Nitrogen dioxide decomposes to nitric oxide and
Q87: The half- life of a first- order
Q88: The reaction A - B is first
Q89: A flask is charged with 0.124 mol
Q90: At elevated temperatures, methylisonitrile (CH<sub>3</sub>NC) isomerizes to
Q91: At elevated temperatures, methylisonitrile (CH<sub>3</sub>NC) isomerizes to