Chemistry Term 2 Midterm Exam

Question 1

Equilibrium reaction in which the reactants and products are
present in more than one physical state

Answer 1

heterogeneous equilibrium

Question 2

A state in which the forward and reverse reactions balance each
other because they take place at equal rates

Answer 2

chemical equilibrium

Question 3

An equilibrium constant for the dissolving of a sparingly soluble
ionic compound in water

Answer 3

solubility product constant

Question 4

An ion that is part of two or more ionic compounds in solution

Answer 4

common ion

Question 5

If a stress is applied to a system at equilibrium, the system shifts in
the direction that relieves the stress.

Answer 5

Le Châtelier’s principle

Question 6

The numerical value of the ratio of product concentrations to
reactant concentrations, with the concentration of each reactant and product raised to the power corresponding to its coefficient in the balanced equation

Answer 6

equilibrium constant

Question 7

A reaction that can occur in both the forward and the reverse
directions

Answer 7

reversible reaction

Question 8

Equilibrium reaction in which all the reactants and products are in
the same physical state

Answer 8

homogeneous equilibrium

Question 9

At a given temperature, a chemical system may reach a state in
which a particular ratio of reactant and product concentrations has a constant value.

Answer 9

law of chemical equilibrium

Question 10

The solubility of a substance is lowered because of this

Answer 10

common ion effect