When 200 Mol of Benzene Is Vaporized at a Constant Pressure

question 155

Multiple Choice

When 2.00 mol of benzene is vaporized at a constant pressure of 1.00 atm and at its normal boiling point of 80.1°C,67.8 kJ are absorbed and PΔV for the vaporization process is equal to 5.80 kJ then

• A)ΔE = 62.0 kJ and ΔH = 67.8 kJ.
• B)ΔE = 73.6 kJ and ΔH = 67.8 kJ.
• C)ΔE = 67.8 kJ and ΔH = 73.6 kJ.
• D)ΔE = 67.8 kJ and ΔH = 62.0 kJ.

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