6. A stream of ethylene gas at 260°C and 4100 kPa expands isentropically in a turbine to 140 kPa. Determine the temperature of the expanded gas and the work produced if the properties of ethylene are calculated by: (a) equation for an ideal gas. (b) appropriate generalized correlations.

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Q: #6.19 from book "thermodynamics and statistical mechanics"

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