Reversible reaction

What adjective, meaning 'without water’, can be used to describe the white form of copper(II) sulfate?

• hydrolysis

• hydrated

• anhydrous

• dehydration

What is the meaning of the symbol?

• The reaction is a backward reaction

• The reaction is a forward reaction

• The reaction is irreversible

• The reaction is reversible

All reactions are easily reversible.

• True

• False

When the concentrations of reactants and products are equal, reversible reactions stop.

• True

• False

If the forward reaction is endothermic, the backward reaction is exothermic.

• True

• False

Reversible reactions can go forwards or backwards depending on the conditions.

• True

• False

When equilibrium is reached,reversible reactions stop.

• True

• False

How could you change the blue form of the salt back to pink cobalt(Il) chloride?

• Heating

• By adding water

• Cooling

• By adding Co

Nitrogen, hydrogen and ammonia gases are placed inside a container. The container is then sealed. After some time.an equilibrium forms.

Which statement describes the equilibrium in this container?

• The amount of ammonia remains constant from the moment the container is sealed.

• The amounts of ammonia, nitrogen and hydrogen in the container are always equal

• The rate of formation of ammonia is equal to the rate of decomposition of ammonia.

• The rate of formation of ammonia is faster than the rate of decomposition of ammonia.

One questlon l want to know the answer to: