K-2 Rate vs Concentration

Question 1

Based on the following rate law, what is the overall order of the reaction?

Rate = k[A][B]²[C]⁰

Answer 1

3rd order

Question 2

Based on the following rate law, what is the order of the reaction with respect to [A]?

Rate = k[A][B]²[C]⁰

Answer 2

1st order

Question 3

Based on the following rate law, what is the order of the reaction with respect to [B]?

Rate = k[A][B]²[C]⁰

Answer 3

2nd order

Question 4

Based on the following rate law, what is the order of the reaction with respect to [C]?

Rate = k[A][B]²[C]⁰

Answer 4

0 order

Question 5

Based on the following rate law, what happens to the rate of the reaction if you double [A]?

Rate = k[A][B]²[C]⁰

Answer 5

Rate x 2

Question 6

Based on the following rate law, what happens to the rate of the reaction if you double [B]?

Rate = k[A][B]²[C]⁰

Answer 6

Rate x 4

Question 7

Based on the following rate law, what happens to the rate of the reaction if you double [C]?

Rate = k[A][B]²[C]⁰

Answer 7

Rate x 1

Question 8

Based on the following rate law, what happens to the rate of the reaction if you half [A]?

Rate = k[A][B]²[C]⁰

Answer 8

Rate x 1/2

Question 9

Based on the following rate law, what happens to the rate of the reaction if you half [B]?

Rate = k[A][B]²[C]⁰

Answer 9

Rate x 1/4

Question 10

Based on the following rate law, what happens to the rate of the reaction if you half [C]?

Rate = k[A][B]²[C]⁰

Answer 10

Rate x 1

Question 11

Based on the following rate law, what happens to the rate of the reaction if you double [A] and double [B]?

Rate = k[A][B]²[C]⁰

Answer 11

Rate x 8

Question 12

Based on the following rate law, what happens to the rate of the reaction if you double [B] and double [C]?

Rate = k[A][B]²[C]⁰

Answer 12

Rate x 4

Question 13

Based on the following rate law, what happens to the rate of the reaction if you double [A] and double [C]?

Rate = k[A][B]²[C]⁰

Answer 13

Rate x 2

Question 14

Based on the following rate law, what happens to the rate of the reaction if you double [A] and half [B]?

Rate = k[A][B]²[C]⁰

Answer 14

Rate x 1/2

Question 15

Based on the following rate law, what happens to the rate of the reaction if you double [A] and half [C]?

Rate = k[A][B]²[C]⁰

Answer 15

Rate x 2

Question 16

Based on the following rate law, what happens to the rate of the reaction if you half [A] and double [B]?

Rate = k[A][B]²[C]⁰

Answer 16

Rate x 2

Question 17

Based on the following rate law, what happens to the rate of the reaction if you half [A] and double [C]?

Rate = k[A][B]²[C]⁰

Answer 17

Rate x 1/2

Question 18

Based on the following rate law, what happens to the rate of the reaction if you half [B] and double [C]?

Rate = k[A][B]²[C]⁰

Answer 18

Rate x 1/4

Question 19

Based on the following rate law, what happens to the rate of the reaction if you double [B] and half [C]?

Rate = k[A][B]²[C]⁰

Answer 19

Rate x 4

Question 20

Increasing the temperature of a reaction changes which parts of the following rate law?

Rate = k[A][B]²[C]⁰

Answer 20

Increases the value of k which increases the rate

Question 21

Decreaseing the temperature of a reaction changes which parts of the following rate law?

Rate = k[A][B]²[C]⁰

Answer 21

Decreases the value of k which decreases the rate

Question 22

Adding a catalyst to a reaction changes which parts of the following rate law?

Rate = k[A][B]²[C]⁰

Answer 22

Increases the value of k which increases the rate

Question 23

Increasing the concentration of A in the reaction changes what portions of the following rate law?

Rate = k[A][B]²[C]⁰

Answer 23

Increases of [A] which increases the rate. No change in k.

Question 24

Increasing the concentration of B in the reaction changes what portions of the following rate law?

Rate = k[A][B]²[C]⁰

Answer 24

Increases [B] which increases the rate. No change in k.

Question 25

If the rate of a reaction is given in mol/(L•s), what are the units for the following rate constant?

Rate = k[A][B]²[C]⁰

Answer 25

3rd order overall so L²/(mol²•s)

Question 26

If the rate of a reaction is given in mol/(L•s), what are the units for the following rate constant?

Rate = k[B]²

Answer 26

2nd order overall so L/(mol•s)

Question 27

If the rate of a reaction is given in mol/(L•s), what are the units for the following rate constant?

Rate = k[A]

Answer 27

1st order overall so 1/s

Question 28

If the rate of a reaction is given in mol/(L•s), what are the units for the following rate constant?

Rate = k[C]⁰

Answer 28

0 order overall so mol/(L•s)