Answer to Question #102475 in General Chemistry for Beverlie

Question

Almonds and almond extracts are common ingredients in baked goods. Almonds contain the compound benzaldehyde, shown below, which accounts for the odor of the nut. Benzaldehyde is also responsible for the aroma of cherries.Use the data provided to calculate benzaldehyde’s heat of vaporization. answer in kj/mol
Vapor Pressure (torr) Temperature(K)
140 399.0
311 422.0

Answer 1

ln(p1/p2)=Hvap x (T1-T2)/RT1T2.

Hvap= 10.2952965 kj/mol