detailed answer please! The vapor pressure of liquid carbon tetrachloride, CCl4,

Question

detailed answer please!

The vapor pressure of liquid carbon tetrachloride, CCl4, is 40.0 mmHg at 277 K.A sample of CCl4 is placed in a closed, evacuated container of constant volume at a temperature of 422 K. It is found that all of the CCl4 is in the vapor phase and that the pressure is 52.0 mmHg. If the temperature in the container is reduced to 277 K, which of the following statements is correct?

a. Only CCl4 vapor will be present.

b. Only CCl4 liquid will be present.

c. Both CCl4 liquid and CCl4 vapor will be present

Explanation / Answer

b. Only CCl4 liquid will be present

beacuse at higher pressure it will condense all the vapours. however if pressure remained same and it is cooled to the initial temperature some of the vapour will stay in their phase.

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