A liquid is in equilibrium with its vapor in a closed vessel at a fixed temperature. The vessel is connected by a stopcock to an evacuated vessel. When the stopcock is opened, will the final pressure of the vapor be different from the initial value if (b) all the liquid is first removed? Explain.

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23-08-2022
Chemistry

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A liquid is in equilibrium with its vapor in a closed vessel at a fixed temperature. The vessel is connected by a stopcock to an evacuated vessel. When the stopcock is opened, will the final pressure of the vapor be different from the initial value if (b) all the liquid is first removed? Explain.

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tutorconsortium205 tutorconsortium205 · Answer 1 · 2022-08-30T06:17:36+02:00

If all the liquid is initially removed, it must be established whether or not the final pressure of the vapor differs from the beginning value. A liquid transform into a gaseous phase when it is vaporized, and a gas transforms into a liquid when it condenses.

What is the water vapor pressure?

The pressure at which water vapor and its condensed state are in thermodynamic equilibrium is known as the vapor pressure of water. The water will condense if we increase the pressure while maintaining the temperature.

When in a closed container does the vapor pressure remain constant?

When water molecules in a closed container are moving in an equilibrium between the liquid and gaseous phases, the vapor pressure remains constant. When water molecules in a closed container are moving in an equilibrium between the liquid and gaseous phases, the vapor pressure remains constant.

What is the equilibrium vapor pressure?

Therefore, at equilibrium, the gaseous phase has a specific number of molecules, and the pressure that the gas is exerting is known as the vapor pressure.

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