Ch 15: Chemical Kinetics

Question 1

What are the units for the rate constant, k, in a zero order reaction?

Answer 1

M∗s^-1

Question 2

What are the units for the rate constant, k, for a first-order reaction?

Answer 2

s^-1

Question 3

What are the units for the rate constant, k, in a second-order reaction?

Answer 3

M^-1∗s^-1

Question 4

For a zero-order reaction, the concentration of the ________ decreases linearly with time. In other words, the rate of a zero-order reaction is the ____ at any ____________ of A.

Answer 4

reactant

same at any concentration

Question 5

The integrated rate law for a chemical reaction is a relationship between the ___________ of the ________ and ____.

Answer 5

concentrations of the reactants

time

Question 6

In a _____-order reaction, the half-life gets longer as the initial concentration is increased.

Answer 6

zero

Question 7

For a first-order reaction, the plot of the _______ ___ of the concentration of the reactant versus time yields a straight line. The integrated rate law for this is….

Answer 7

natural log

Question 8

The half-life of a _____-order reaction gets shorter as the initial concentration is increased.

The integrated rate law in this case is…

Answer 8

second