Question: 4. Consider a heat engine comprising two isochores and two isobars, as in the diagram below. Suppose vertices 2 and 4 are connected by an

4. Consider a heat engine comprising two isochores and two isobars, as in the diagram below. Suppose vertices 2 and 4 are connected by an isotherm of temperature To, while the temperatures at vertices 1 and 3 are 7; and 73, respectively. Compute the efficiency of this cycle. [10 pts] P 1 1

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