propanol has a normal boiling point of 97.8°c. at 400 torr, it has a boiling point of 82.0°c. what is the heat of vaporization?

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09-12-2022
Chemistry

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propanol has a normal boiling point of 97.8°c. at 400 torr, it has a boiling point of 82.0°c. what is the heat of vaporization?

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NehaKumari123 NehaKumari123 · Answer 1 · 2022-12-16T00:59:40-05:00

44.5 kJ/mol Propanol has a boiling point of 82.0°C when its typical boiling point is 97.8°C at 400 Torr.

What is the hexane vapour pressure at its typical boiling point?

Hexane's typical boiling point is 342 K. Hexane has a 30.1 kJ/mol molar heat of vaporization. 1.23 atm is the atmospheric pressure.

Propanol typically boils at T1 = 97.8°C = 371.0 K. A pressure of P1 = 1 atm = 760 torr is referred to as "normal." Its boiling point at 400 torr (P2) is T2 = 82.0 °C / 355.2 K. Using the two point form of the Clausius-Clapeyron equation, we can determine the heat of vaporization (Hvap), which results in the heat of vaporization being 44.5 kJ/mol.

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