The efficiency analysis just done corresponds to an engine that works by reversi

Question

The efficiency analysis just done corresponds to an engine that works by reversibly extracting heat from a hot reservoir at temperature Th, performing work with some of this energy, and then reversibly discharging heat to a cold reservoir at temperature Tc. The analysis leads to an expression for the maximum efficiency a heat engine can achieve. As you should have found in Question 2, with efficiency defined as the ratio of the work done to the heat extracted from the hot reservoir, the maximum efficiency is (Th-Tc)/Th.

a.) Calculate the maximum efficiency of a heat engine operating between Th = 373 K, and Tc = 273 K (boiling and freezing points of water under standard conditions, respectively).

Explanation / Answer

efficiency = 1- T(cold) / T(hot) = 1- 273 /373 = 0.26809

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