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When a volatile liquid is introduced into an evacuated closed vessel at a particular temperature, both evaporation and condensation take place simultaneously. The system reaches equilibrium state whenA. the liquid is completely transformed into the corresponding vaporB. equal amounts of liquid and vapor are present in the systemC. the rate of evaporation becomes equal to the rate of condensationD. liquid cannot be converted into vapor and vice versa. |
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Answer» Correct Answer - C At equilibrium, the number of molecules leaving the liquid equals the number of molecules returning to the liquid from the vapor. |
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