The mass fractions of a mixture of gases are 15 percent nitrogen, 5 percent helium, 60 percent methane; and 20 percent ethane. This mixture is expanded from 400 psia and 500°F to 20 psia in an adiabatic, steady-flow turbine of 85 percent isentropic efficiency. Calculate the second law efficiency and the exergy destruction during this expansion process. Take T0 = 77°F.

# Solved: The mass fractions of a mixture of gases are 15

ISBN: 9780073398174
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## Solution for problem 97P Chapter 13

Thermodynamics: An Engineering Approach | 8th Edition

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Solved: The mass fractions of a mixture of gases are 15