1.

find the entropy change when 2 moles of ideal gas at 27 ^(@)C temperature is expanded reversiby from 2 Lto 20 L .

Answer»

92 . 1
0
4
9.2

Solution :`DeltaS=2.303nR LOG((V_(2))/V_(1))= 2.303xx2xx2xxlog(20/2)=9.2`


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