Benzene Is a Liquid Under Standard Conditions

question 96

Multiple Choice

Benzene is a liquid under standard conditions. The standard free-energy change for the evaporation of liquid benzene to form benzene vapor is +5.2 kJ/mol. If liquid benzene is placed in an open container under standard conditions, ________

• A) it will not evaporate.
• B) it will partially evaporate with the equilibrium vapor pressure being less than 1 bar.
• C) it will partially evaporate with the equilibrium vapor pressure being equal to 1 bar.
• D) it will partially evaporate with the equilibrium vapor pressure being greater than 1 bar.
• E) it will completely evaporate.

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