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If heat Q is added reversibly to a system at temperature T and heat Q1 is taken away from it reversibly at temperature  T1, then which one of the following is correct.

a
QT−Q1T1=0
b
QT−Q1T1>0
c
QT−Q1T1<0
d
QT−Q1T1=ΔU

detailed solution

Correct option is B

Since, Q>Q1⇒QT>Q1T1⇒QT−Q1T1>0

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Similar Questions

Choose the conditions for Reversibility are :

a) There must be complete absence of dissipative forces
b) The direct and reverse processes must take place infinitely slowly
c) The temperature of the system must not differ appreciably from its surroundings.


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