A mass of 2 kg ethane gas at 100¬¨¬®‚Äö√†√ªC, 500 kPa, undergoes a reversible polytropic expansion with n = 1.3, to a final temperature of 20¬¨¬®‚Äö√†√ªC. Find the work done.$#

A mass of 2 kg ethane gas at 100¬¨¬®‚Äö√†√ªC, 500 kPa,

1.	A mass of 2 kg ethane gas at 100¬¨¬®‚Äö√†√ªC, 500 kPa, undergoes a reversible polytropic expansion with n = 1.3, to a final temperature of 20¬¨¬®‚Äö√†√ªC. Find the work done.$#
A.	43.7 kJ/kg
B.	53.7 kJ/kg
C.	63.7 kJ/kg
D.	73.7 kJ/kg
Answer» E.

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A mass of 2 kg ethane gas at 100¬¨¬®‚Äö√†√ªC, 500 kPa, undergoes a reversible polytropic expansion with n = 1.3, to a final temperature of 20¬¨¬®‚Äö√†√ªC. Find the work done.$#

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