Question
Asked Mar 12, 2019

A quantity of 0.35 mole of an ideal gas initially at 15.6 C is expanded from 1.2 L to 7.4 L. Calculate values of w, q, ΔU, ΔH, ΔS, and ΔG if the precess is carried out (a) isothermally and reversibly, isothermally and irreversibly against an external pressure. 

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Step 1

a) When the process is carried out isothermally and reversibly,  the change in internal energy is zero because internal energy changes only with the change in temperature. For an isothermal process, the temperature remains constant, thus internal energy also remains constant. 

The mathematical form of first law of thermodynamics is 

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Step 2

Therefore, the mentioned thermodynamic p...

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