Chapter 14

Question 1

In an equilibrium reaction, the reverse reaction begins after all reactants have been converted to products.

True or False

Answer 1

False

Question 2

The ratio of all reactants and products raised to their coefficients will be the same whether you start with all reactants or with all products at the same temperature.

True or False

Answer 2

True

Question 3

A chemical reaction stops completely once equilibrium has been reached.

True or False

Answer 3

False

Question 4

The forward and reverse reaction rates are different in a system that is at equilibrium.

True or False

Answer 4

False

Question 5

K>1

Answer 5

Products are favored at equilibrium

Question 6

K<1

Answer 6

Reactants are favored at equilibrium

Question 7

Factors affecting K

Answer 7

• Changing external pressure or temperature at which a reaction is carried out
• Stoichiometric coefficients

Question 8

Q>K

Answer 8

• Q is too big

- Left

Question 9

Q

Answer 9

• Q is too small

- Right

Question 10

Endothermic processes

Answer 10

heat acts as a reactant

Question 11

Exothermic processes

Answer 11

heat acts as a product

Question 12

Disturbances that do not influence equilibrium position:

Answer 12

Catalyst

Addition of inert gas