One mole of an ideal gas is compressed isothermally and reversibly at 607.4 K from 5.60 atm to 8.90 atm. Calculate $\Delta$S.

Name: One mole of an ideal gas is compressed isothermally and reversibly at 607.4 K from 5.60 atm to 8.90 atm. Calculate $\Delta$S.
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Quizplus · Accepted Answer

For an isothermal reversible compression of an ideal gas, the change in entropy (ΔS) is given by ΔS = nR ln(Vf/Vi) = -nR ln(Pf/Pi). Since the process is compression, ΔS is negative.

One Mole of an Ideal Gas Is Compressed Isothermally and Reversibly