Chemical kinetics

Question 1

Reaction rate

Answer 1

change in concentration/ time

Question 2

The _____ the concentration, the ____ collision therefore a ______ rate

Answer 2

higher/ lower
more/ less
faster/ slower

Question 3

Instantaneous rate

Answer 3

Rate at a specific moment in time

Question 4

Rate law

Answer 4

rate = rate constant (k) * reactants [A][B]

Question 5

Reaction order is defined in terms of _______ concentration, not the __________

Answer 5

reactant

product

Question 6

Integrated rate law

Answer 6

Shows the concentration at any given time

Question 7

Zeroth order

Answer 7

slope = -k

| + 
|    +
|       +
|           +
\_\_\_\_\_\_\_\_\_

Question 8

First order equation

Answer 8

ln[A] t = -kt + ln[A]o

|  +
|    +
|       +
|            +
\_\_\_\_\_\_\_\_\_

Question 9

Second order equation

Answer 9

1/[A]t= kt + 1/[A]o
slope = k

|         +
|       +
|    +
| +
\_\_\_\_\_\_\_\_\_

Question 10

Factors affecting rate pf collision

Answer 10

frequency , temperature , concentration

Question 11

Effective collsion

Answer 11

Results in reactions

Question 12

Activation energy

Answer 12

Required to initiate reactions

Question 13

Transition state

Answer 13

Temporary species formed as molecules collide

Question 14

Lower the activation energy _____ the reaction

Answer 14

faster

Question 15

Arrhenius equation

Answer 15

ln (k1/ k2) = -(E/R) * change in temperature

Question 16

Unimolecular

Answer 16

1 reactant

Question 17

Bimolecular

Answer 17

2 reactants

Question 18

Termolecular

Answer 18

3 reactants

Question 19

Rate determining step

Answer 19

The slowest reaction rate in the sequence of steps

Question 20

Catalysts

Answer 20

Increases the rate of a chemical reaction by lowering the activation energy causes more effective collisions between molecules