Chapter 15- Chemical Kinetics

Question 1

zero order reaction, n=0, the rate is what to the concentration of A?

Answer 1

Independent

Question 2

first-order reaction, n=1, the rate is what to the concentration of A?

Answer 2

Directly proportional

Question 3

second-order reaction, n=2, the rate is what to the concentration of A?

Answer 3

Proportional to the square of A

Question 4

Average Rate of Full Reaction
aA+bB –> cC+dD

Answer 4

Rate= -1 Δ[A]= -1 Δ[B]= +1 Δ[C]= +1 Δ[D]
a Δt b Δt c Δt d Δt

Question 5

Rate Law of Full Reaction
aA+bB –> cC+dD

Answer 5

Rate= k[A]^n[B]^m

Question 6

The k for a first order reaction has what units?

Answer 6

s^-1

Question 7

The rate constant for a zero order reaction has the units of?

Answer 7

M*s^-1

Question 8

The rate constant for a second order reaction has the units of?

Answer 8

M^-1*s^-1

Question 9

The overall order is…

Answer 9

the sum of exponents in a RATE LAW

Question 10

0 Reaction Order Integrated Rate Law

Answer 10

[A]time=[A]initial-kt

Question 11

1 Reaction Order
Integrated Rate Law

Answer 11

ln[A]time=-kt +ln[A]initial

Question 12

2 Reaction Order
Integrated Rate Law

Answer 12

1 = kt + 1
———- ————-
[A]time [A]initial

Question 13

0 Reaction Order
Half Life Expression

Answer 13

t(1/2)= [A]initial
————-
2k

Question 14

1 Reaction Order
Half Life Expression

Answer 14

t(1/2)= 0.693
———-
k

Question 15

2 Reaction Order
Half Life Expression

Answer 15

t(1/2) = 1
—————
k[A]initial

Question 16

Arrhenius Equation

Answer 16

k=Ae^ - (Ea/RT)

Question 17

Arrhenius Equation two point form

Answer 17

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