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1. Prove that the “cycle” consisting of only two adiabatic steps (reversible expansion and
then compression) will have no efficiency since no work can be produced. Will it violate
the 2nd law of the thermodynamics? Clear explain your answer.

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Prove that the “cycle” consisting of only two adiabatic steps (reversible expansion and then compression) will have no efficiency since no work can be produced. Will it violate the 2nd law of the thermodynamics? Clear explain your answer.
Explain each step
Find the work for a system where temperature (T) is constant. (This is called an isothermal process) W = P(V₂ - Vf) W = 0 (V) W = P(V₁ - V₂) W = PV W = - PV) W = -nRT W = nRT W = nRT In W n(V) = nRT In