Equilibrium

Question 1

What is a reversible reaction?

Answer 1

A reversible reaction is a chemical change in which the products can be converted back to the original reactants under suitable conditions. This means a reaction can go in either direction.

A reversible reaction is shown by the sign: ⇌

Question 2

What reaction conditions could change a reaction’s direction?

Answer 2

1. Temperature.
2. Pressure.
3. Amount of reactant or product.

Question 3

What is dynamic equilibrium?

Answer 3

It occurs in a closed system, when the rates of the forward and reverse reactions are equal and when the amounts of reactants and products remain constant.

Question 4

What is a closed system?

Answer 4

A closed system is one where no substances can get in or out.

Question 5

What is an open system?

Answer 5

An open system allows entry and exit of substances.