Focus 7B

Question 1

Half life of zero order

Answer 1

[A]initial/2k

Question 2

Half life first order

Answer 2

ln(2)/k

Question 3

Half life second order

Answer 3

1/(k*[A]initial)

Question 4

First order rate law

Answer 4

Af=Aie^-kt

Question 5

Second order rate law

Answer 5

1/Af-1/Ai=kt

Question 6

Zero order rate law

Answer 6

Ai-Af=kt

Question 7

Arrhenius equation

Answer 7

K=Ae^(-Ea/RT)

Question 8

Arrhneius equation (slope form)

Answer 8

lnk=-Ea/R(1/T)+lnA

Question 9

Arrhenius equation (comparing two rates)

Answer 9

ln(k1/k2)=Ea/R(1/T2-1/T1)

Question 10

How is the rate law for an overall reaction determined

Answer 10

Based off the slowest elementary step if there are no intermediates, else if intermediates, find a substitute using algebra

Question 11

Are condensed species considered in rate law equations?

Answer 11

No. Only gases and aqueous matter

Question 12

When you add a catalyst, does the forward reaction increase? What about the reverse?

Answer 12

Both increase as it has to do with the kinetics, not the equilibrium concentrations