Question: 7 - 4 7 E R - 1 3 4 a vapor enters into a turbine at 2 5 0 psia and 1 7 5

7-47E R-134a vapor enters into a turbine at 250 psia and 175F. The temperature of R-134a is reduced to 20F in this turbine while its specific entropy remains constant. Determine the change in the enthalpy of R-134a as it passes through the turbine.
FIGURE P7-47E
7 - 4 7 E R - 1 3 4 a vapor enters into a turbine

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