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Solved: Calculate the expansion work done when 3.70 moles

Chapter 6, Problem 72P

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QUESTION:

Calculate the expansion work done when 3.70 moles of ethanol are converted to vapor at its boiling point \(\left(78.3^{\circ} \mathrm{C}\right)\) and 1.0 atm.

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QUESTION:

Calculate the expansion work done when 3.70 moles of ethanol are converted to vapor at its boiling point \(\left(78.3^{\circ} \mathrm{C}\right)\) and 1.0 atm.

ANSWER:

Step 1 of 3

Here, we are going to calculate the expansion of work done when ethanol is converted to vapor.

 

We know that,

The work done by the gas on the surroundings is given by

 ----(1)

Where

is the change in volume =

P is the external atmospheric pressure.

 

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