Equilibrium

Question 1

What is equilibrium?

Answer 1

Equilibrium is established when the forward and reverse reactions are equal in rate.

Question 2

What is a closed system?

Answer 2

A closed system is a system in which there is no exchange of matter with the surroundings.

Question 3

Are the concentrations of reactants and products constant at equilibrium?

Answer 3

Yes

Question 4

Are the concentrations of reactants and products equal at equilibrium?

Answer 4

Not necessarily

Question 5

Is the equilibrium mixture contains a greater proportion of reactants then the position of equilibrium lies to the…

Answer 5

Left

Question 6

Is the equilibrium mixture contains a greater proportion of products than reactants then the position of equilibrium lies to the…

Answer 6

Right

Question 7

What is le chateliers principal?

Answer 7

If a reaction at equilibrium is subjected to a change, the reaction will adjust to oppose the effect of the change.

Question 8

What effect do catalysts have on equilibrium position?

Answer 8

No affect

Question 9

What effect does increasing temperature have on the position of equilibrium?

Answer 9

Favours the endothermic reaction

Question 10

What effect does does decreasing temperature have on the equilibrium position?

Answer 10

Favours exothermic reaction

Question 11

How does an increase in the pressure of a gas effect the position of equilibrium?

Answer 11

It favours the side with less molecules