The Molar Enthalpy of Vaporization of Boron Tribromide Is 30 $\circ$

question 86

Multiple Choice

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

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

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