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Truth about Systems at Equilibrium

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Consider a stoppered flask containing benzene, iodine, and air, which has reached equilibrium at 298K. Which one of the following statements concerning the system at equilibrium is true?

(a) The pressure of the vapour phase is not constant.

(b) Evaporation of the liquid continues.

(c) The colour of the liquid phase will change.

(d) The mass of solid iodine is not constant.

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Solution Summary

142 words explaining whether statements about equilibrium concerning liquid phase changes, evaporation, pressure and iodine mass are true.

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(a) The pressure of the vapour phase is not constant.
This is a false statement. If it's at equilibrium, then the pressure of the vapour phase must not change.

(b) Evaporation of the liquid continues.
This is a ...

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