Kinetics Flashcards

1
Q

Reaction rate ___ as the reactions proceeds

A

Decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Rate Law

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

The __ of reactions orders (exponents) is the ___ order of the reaction

A

Sum
Overall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

[A]f

A

Zero order

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

ln[A]f

A

First order

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

1/[A]f

A

Second order

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

t(1/2)

A

.693/k

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Activation Energy

A

Difference in energy between the activated complex and reactants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

As the temperature of a reaction goes up, the overall fraction of particles with enough energy to overcome Ea ___

A

Goes up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Relationship between the rate constant and temperature

A

K=Ae^(-Ea/RT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Arrhenius Two Point Form

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Intermediate

A

Formed then consumed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

“Valleys” in multi step reactions

A

Intermediates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

“Peaks” in multi step reactions

A

Transition states

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Overall rate is the ___ step in a multi step reaction

A

Slowest

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Catalysts ___ chemical reactions by ___ the activation energy of the reaction

A

Speed up
Lowering

17
Q

Catalysts are ___ then _____

A

Consumed then produced