The Molar Enthalpy of Vaporization of Boron Tribromide Is 30

question 93

Multiple Choice

The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and its normal boiling point is 91°C.What is the vapor pressure of BBr₃ at 20°C?

• A)11.5 torr
• B)311 torr
• C)5.31 torr
• D)143 torr
• E)66.1 torr

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