A mixture of hydrocarbon gases is composed of 60 percent methane, 25 percent propane, and 15 percent butane by weight. This mixture is compressed from 100 kPa and 20°C to 1400 kPa in a reversible, isothermal, steady-flow compressor. Calculate the work and heat transfer for this compression per unit mass of the mixture. The universal gas constant is Ry=8.314 kPa-m³/kmol-K. Use the table containing the molar mass, gas constant, and critical-point properties. P₂

Elements Of Electromagnetics
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A mixture of hydrocarbon gases is composed of 60 percent methane, 25 percent propane, and 15 percent butane by weight. This
mixture is compressed from 100 kPa and 20°C to 1400 kPa in a reversible, isothermal, steady-flow compressor. Calculate the work and
heat transfer for this compression per unit mass of the mixture. The universal gas constant is R₁ = 8.314 kPa-m³/kmol-K. Use the table
containing the molar mass, gas constant, and critical-point properties.
P₂
60% CH4
25% C₂H₂
15% C₂H10
(by mass)
100 kPa
20°C
W
The work input for this compression per unit mass of the mixture is
The heat transfer for this compression per unit mass of the mixture is
kJ/kg.
kJ/kg.
Transcribed Image Text:A mixture of hydrocarbon gases is composed of 60 percent methane, 25 percent propane, and 15 percent butane by weight. This mixture is compressed from 100 kPa and 20°C to 1400 kPa in a reversible, isothermal, steady-flow compressor. Calculate the work and heat transfer for this compression per unit mass of the mixture. The universal gas constant is R₁ = 8.314 kPa-m³/kmol-K. Use the table containing the molar mass, gas constant, and critical-point properties. P₂ 60% CH4 25% C₂H₂ 15% C₂H10 (by mass) 100 kPa 20°C W The work input for this compression per unit mass of the mixture is The heat transfer for this compression per unit mass of the mixture is kJ/kg. kJ/kg.
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