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The vapor pressure of liquid diethyl ether, C2HsoCH, is 100. mm Hg a 262 K A sam

ID: 592108 • Letter: T

Question

The vapor pressure of liquid diethyl ether, C2HsoCH, is 100. mm Hg a 262 K A sample of C2HoC2Hs is placed in a closed, evacuated 512 mL container at a temperature of 262 K. It is found that all of the C2H ocHs is in the vapor phase and that the pressure is 55.0 mm Hg. If the volume of the container is reduced to 366 mL, at constant temperature, which of the following statements are correct? Choose all that apply No condensation will occur Some of the vapor initially present will condense. Hg. Only diethyl ether vapor will be present. O Liquid diethyl ether will be present.

Explanation / Answer

A sample of diethyl ether is placed in a container. The volume of container is 512 ml. Temperature measured is 262 K and the pressure observed was 55 mmHg.

When the volume was reduced to 366 ml at constant temperature, the pressure inside the container would increase.

The true statements for this condition is,

Some of the vapor initially present would condense