A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.
What is the initial effect of the change on vapour pressure?

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Solution

As liquid is in closed container so if volume is increases it means vapor above the liquid converted into liquid again therefore the vapor density as well as vapor pressure will decreases.

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A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.

a) What is the initial effect of the change on vapour pressure?

b) How do rates of evaporation and condensation change initially?

c) What happens when equilibrium is restored finally and what will be the final vapour pressure?

A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.

What happens when equilibrium is restored finally and what will be the final vapour pressure?

A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.

What is the initial effect of the change on vapour pressure?

How do rates of evaporation and condensation change initially?

What happens when equilibrium is restored finally and what will be the final vapour pressure?

Assign oxidation numbers to the underlined elements in each of the following species:
$N a H S - - O_{4}$

$H_{4} {P - -}_{2} O_{7}$

$K_{2} M n - -- - O_{4}$

$C a {O - -}_{2}$

$N a B - - H_{4}$

$H_{2} {S - -}_{2} O_{7}$

$K A l S - - O_{4})_{2} .12 H_{2} O$

Q. A cylinder fitted with an air tight piston contains a small amount of a liquid at a fixed temperature. The piston is moved out so that the volume increases
(a) What will be the effect on the change of vapour pressure initially?
(b) How will the rates of evaporation and condensation change initially?
(c) What will happen when equilibrium is restored finally and what will be the final vapour pressure?

The vapour pressure of a liquid at any temperature is defined as the pressure exerted by the vapour in equilibrium with the liquid at that temperature.

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A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.What is the initial effect of the change on vapour pressure?

As liquid is in closed container so if volume is increases it means vapor above the liquid converted into liquid again therefore the vapor density as well as vapor pressure will decreases.

A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased.
What is the initial effect of the change on vapour pressure?