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Benzene is a hydrocarbon that is commonly used as a commercial solvent. However, it is carcinogenic; i.e., accumulations in the body can cause cancer. What is the vapor pressure of benzene at 58◦C? The normal boiling point of benzene is 80.0◦C and its molar heat of vaporization is 30.8 kJ/mol.

Answer in units of torr

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  1. Use the Clausius-Clapeyron equation. One piece of information you must know is that at the boiling point of benzene the vapor pressure is 760 mm.

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