When 1 mole of an ideal gas is compressed to half its initial volume and simultaneously heated to twice its initial temperature the change in entropy is
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If one mole of an ideal gas will be compressed to half of its initial volume and then heated to double its initial temperature , the Δ S will be :
Δ S = n Cv ln T2 / T1 + n R ln V2 / V1
Δ S = ( Cv - R ) ln 2
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