van der Waals Cycles For all cycles in this section, assume that you have exactly 1.000...

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Chemistry

van der Waals Cycles For all cycles in this section, assume thatyou have exactly 1.000 moles of gas and that the cycle is runreversibly. The known state parameters for the cycle will be givenas the reduced temperature Tr T=Tc and reduced pressure Pr P=Pc,where Tc and Pc are the critical temperature and pressure of yourassigned diatomic molecule. Assume the gas is a diatomic van derWaals gas. 1. You have a Carnot cycle that begins with an adiabaticexpansion from an initial state dened by a temperature of Tr = 1:75and a pressure of Pr = 2:00 to a pressure of Pr = 1:75. The systemthen undergoes an isothermal expansion to a pressure of Pr = 1:25,followed by an adiabatic compression and then an isothermalcompression back to the initial state. Calculate w, q, ΔU, ΔS,ΔSsur, ΔH, ΔA and ΔG for each step in the cycle and for the totalcycle.

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