Consider a two-step process where 2.00 mol argon is (1) heated at constant pressure from 300. K to 400. K, then (2) compressed isothermally until its volume is halved. Calculate the change in entropy for step 1 and 2 individually first, then the total entropy change. Comment on what is happening at each step and overall. Assume Cp = 5/2 R for a monatomic ideal gas.

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