Rule on these equilibrium claims

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   A disturbed equilibrium shifts so as to partly offset the change.

2. Statement is true

   Yes

   Statement

   Raising the pressure on ammonia synthesis yields more ammonia.

3. Statement is true

   No

   Statement

   Heating an exothermic reaction pushes it towards the products.

4. Statement is true

   No

   Statement

   The equilibrium constant is fixed by the starting concentrations.

5. Statement is true

   Yes

   Statement

   Pure water at 25 degrees Celsius has a pH of 7.

6. Statement is true

   Yes

   Statement

   Kp equals Kc when the two sides hold equal moles of gas.

7. Statement is true

   No

   Statement

   A disturbed system amplifies whatever change is applied to it.

Instructions

Tap true or false for each claim about how a chemical equilibrium answers a disturbance.

Explanation