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- Considering entropy (S) as a thermodynamic parameter the criterion for the spontaneity of any process is
. Considering entropy (S) as a thermodynamic parameter the criterion for the spontaneity of any process is
(a) ΔSsystem + ΔSsurroundings > 0
(b) ΔSsystem - ΔSsurroundings > 0
(c) ΔSsystem > 0 only
(d) ΔSsurroundings > 0 only.
Best Answer
Correct Option is : (a)
for spontaneity, entropy should increase
that is ΔS > 0
therefore sum of entropy of system and surrounding should also increase
ΔSsystem + ΔSsurroundings > 0
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