The Equilibrium Constant

Question 1

Chemists want to determine the concentration of each of the products and reactants at _

Answer 1

Any time during an equilibrium reaction

Question 2

Ratio or products to reactants in an equilibrium system is called the _

Answer 2

Equilibrium constant, k

Question 3

The equilibrium constant is the mathematical expression of the Law of _

Answer 3

Mass Action

Question 4

Law of Mass Action states that for a reversible reaction at a constant temp,

Answer 4

Ratio of reactant to product concentrations has a constant value, k

Question 5

There are different equilibrium constants for different _

Answer 5

Reactions

Question 6

Ka =

Answer 6

Acid dissociation constant

Question 7

Kb =

Answer 7

Base dissociation constant

Question 8

Ion constant for water symbol

Answer 8

Kw

Question 9

In _ all reacting species are in the same phase

Answer 9

Homogenous equilibrium

Question 10

No _ in k expressions (2)

Answer 10

Solids

Liquids

Question 11

Because equilibrium reactions are reversible, chemists want to know _

Answer 11

Which side of reaction is favored

Question 12

Chemists need to know if reaction proceeds towards product or _

Answer 12

Will it favor the reactants

Question 13

K is _ and helps answer what direction reaction proceeds

Answer 13

Equilibrium constant

Question 14

K predicts a point of equilibrium where rate of _ are equal (2)

Answer 14

Forward reactions

Reverse reactions

Question 15

The _ tells you, given initial concentration of reactants and products…

Answer 15

Reactant quotient (Q)

Question 16

The reaction quotient tells you how the reaction will _

Answer 16

Proceed toward equilibrium

Question 17

Q measures the equilibrium constant for any given point in the reaction and _

Answer 17

Tells whether the reaction is complete or not

Question 18

Q is the _

Answer 18

Reaction quotient

Question 19

Q concentrations are all _ concentrations, k are equilibrium concentrations

Answer 19

Initial

Question 20

Q is like a _ in time of k

Answer 20

Snap shot

Question 21

If Q > K, reaction proceeds towards _

Answer 21

The reactant

Question 22

When reaction proceeds towards reactant _

Answer 22

System shifts left ⬅️ to make more reactants

Question 23

If Q < K, reactant proceeds towards _

Answer 23

Product

Question 24

When reaction proceeds towards product _

Answer 24

The system shifts right ➡️ to make more products

Question 25

If Q = K, reaction is already _

Answer 25

At equilibrium