20 K. Compute the A,G under these conditions.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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This question deals with the vapourization of isopropyl
alcohol:
CH3CH(OH)CH3(/)= CH3CH(OH)CH3(g)
The boiling point of isopropyl alcohol is 355.5 K and the
enthalpy of vaporization, AvapHo = 39.86 kJ mol-1.
Transcribed Image Text:This question deals with the vapourization of isopropyl alcohol: CH3CH(OH)CH3(/)= CH3CH(OH)CH3(g) The boiling point of isopropyl alcohol is 355.5 K and the enthalpy of vaporization, AvapHo = 39.86 kJ mol-1.
At a particular temperature, the vapour pressure of isopropyl alcohol is 7.491x10-2 bar. Suppose the temperature is suddenly
decreased to 277.20 K. Compute the A,G under these conditions.
Hint: you will require AvapH = 39.86 kJ mol-1 and Avap S°, = 112.1 JK-1 mol-1.
O 14.75 kJ mol1
O -8.78 kJ mol-1
O 8.78 kJ mol-1
O 76.91 kJ mol-1
O 2.81 kJ mol-1
Transcribed Image Text:At a particular temperature, the vapour pressure of isopropyl alcohol is 7.491x10-2 bar. Suppose the temperature is suddenly decreased to 277.20 K. Compute the A,G under these conditions. Hint: you will require AvapH = 39.86 kJ mol-1 and Avap S°, = 112.1 JK-1 mol-1. O 14.75 kJ mol1 O -8.78 kJ mol-1 O 8.78 kJ mol-1 O 76.91 kJ mol-1 O 2.81 kJ mol-1
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