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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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