Exam 2

Question 1

What are the three concentrations in an equilibrium reaction

Answer 1

Products and both reactants

Question 2

If K>1 the reaction favors the formation of the

Answer 2

products

Question 3

If K<1 the reaction favors the

Answer 3

reactants

Question 4

The concentration is relative to the

Answer 4

standard state concentration

Question 5

Standard state concentrations (4)

Answer 5

Solute: 1M
Gas: 1 bar
Solid: pure solid
Liquid: pure liquid

Question 6

If you reverse a reaction, k is equal to _____ for the reverse

Answer 6

1/K

Question 7

K for the sum of 2 reactions is equal to

Answer 7

the product of their individual equilibrium constants

Question 8

If K=e^(ΔG0/TR) when are the products favored

Answer 8

When ΔG0<0

Question 9

Chemical systems tend towards ____ entropy and _____ enthalpy

Answer 9

higher, lower

Question 10

Enthalpy

Answer 10

<0 = exothermic
>0 = endothermic
exothermic favored

Question 11

Entropy

Answer 11

<0 l= less disordered
>0 = more disordered
higher disorder favored

Question 12

Q<K

Answer 12

reaction favors the products

Question 13

Q=K

Answer 13

Equilibrium

Question 14

Q>K

Answer 14

reaction favors the reactants

Question 15

If ΔH<0 a decrease in T causes a decrease in

Answer 15

K

Question 16

If ΔH>0 an increase in T causes an increase in

Answer 16

K

Question 17

Why does an increase in heat cause an increase in reactant formation

Answer 17

Because increasing the heat produced is technically increasing the products so the reaction has to shift towards the reactants to balance it out

Question 18

Solubility product

Answer 18

Ksp

Question 19

Dissociation constant

Answer 19

Ka and Kb