Which of the following options are correct regarding : q, w and △U for the reversible isothermal expansion of one mole of an ideal gas at 27oC from a volume of 10dm3 to a volume of 20dm3?
A
△U=0
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B
q=−w=1729J
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C
q=w=1600J
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D
△U=545J, q=0
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Solution
The correct option is Bq=−w=1729J T=27oC=27+273=300K
Since the process is reversible isothermal, △U=0