Entropy is a measure of randomess of system. When a liquid is converted to the vapour state entropy of the system increases. Entropy in the phase transformation is calculated using `Delta S = (Delta H)/(T)` but in reversible adiabatic process `Delta`S will be zero. The rise in temperature in isobaric or isochoric process increases the randomness of system, which is given by `Delta S = "2.303 n C log"((T_(2))/(T_(1)))` `C = C_(P) or C_(V)` Entropy change in a reversible adiabatic process isA. ZeroB. Always positiveC. Always negativeD. Sometimes positive and sometimes negative

Entropy is a measure of randomess of system. When a liquid is converte

1.	Entropy is a measure of randomess of system. When a liquid is converted to the vapour state entropy of the system increases. Entropy in the phase transformation is calculated using `Delta S = (Delta H)/(T)` but in reversible adiabatic process `Delta`S will be zero. The rise in temperature in isobaric or isochoric process increases the randomness of system, which is given by `Delta S = "2.303 n C log"((T_(2))/(T_(1)))` `C = C_(P) or C_(V)` Entropy change in a reversible adiabatic process isA. ZeroB. Always positiveC. Always negativeD. Sometimes positive and sometimes negative
Answer» Correct Answer - A

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