# One mole of an ideal gas at 298 K expands isothermally from 1.0 L to 2.0 L (a) reversibly and (b) against a constant external pressure of 12.2 atm.  Calculate the values of ΔSsys, ΔSsurr, and ΔSuniv in both cases. Are your results consistent with the nature of the processes?

Question

One mole of an ideal gas at 298 K expands isothermally from 1.0 L to 2.0 L (a) reversibly and (b) against a constant external pressure of 12.2 atm.  Calculate the values of ΔSsys, ΔSsurr, and ΔSuniv in both cases. Are your results consistent with the nature of the processes?

Step 1

(a) ΔSsys, ΔSsurr, and ΔSuniv is calculated for reversible process.

Step 2

(b)

To calculate the volume of the final state, the ideal gas equation to have to be used, then entropy of the system is calculated.

Step 3

The entropy change in the surr...

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