Calculate the change in molar entropy when 2.00 mol of ozone are compressed isothermally to one quarter of its original volume.Treat ozone as an ideal gas. A)(-23.1 J.K^-1) B)(-10.0 J.K^-1) C)(-1.39 J.K^-1) D)+10.0 J.K^-1 E)+23.1 J.K^-1

Question

Quizplus · Accepted Answer

The change in molar entropy for an ideal gas during isothermal compression is given by ΔS = nRln(Vf/Vi). Here, Vf/Vi = 1/4, n = 2.00 mol, and R = 8.314 J/mol·K. Calculating gives ΔS = 2 * 8.314 * ln(1/4) = -23.1 J/K.

Calculate the Change in Molar Entropy When 2