Exam 4 Formulas

Question 1

What are the units of k for a first order reaction?

Answer 1

s^-1

Question 2

What is the Arrhenius Equation?

Answer 2

k = Ae^-E_a/RT

Question 3

What are the units of k for a second order reaction?

Answer 3

M^-1s^-1

Question 4

What are the units of k for a zero order reaction?

Answer 4

M/s

Question 5

What is the integrated rate law for a first order reaction?

Answer 5

ln[A]₀ - ln[A] = kt

Question 6

What is the half-life formula for a zero order reaction?

Answer 6

t_1/2 = [A]₀/2k

Question 7

What is the rate law for a first order reaction?

Answer 7

rate = k[A]

Question 8

What is the rate law for a second order reaction?

Answer 8

rate = k[A]²

Question 9

What is the formula to compare the rate constant, k to the temperature, T?

Answer 9

ln(k₂/k₁) = E_a/R (1/T₁ - 1/T₂)

Question 10

What is the integrated rate law for a zero order reaction?

Answer 10

[A]₀ - [A] = kt

Question 11

What is the half-life formula for a second order reaction?

Answer 11

t_1/2 = 1/([A]₀k)

Question 12

What is the rate law for a zero order reaction?

Answer 12

rate = k

Question 13

What is the integrated rate law for a second order reaction?

Answer 13

1/[A] - 1/[A]₀ = kt

Question 14

What is the half-life formula for a first order reaction?

Answer 14

t_1/2 = (ln 2)/2