1. Tardigrade
  2. Question
  3. Chemistry
  4. A gas undergoes change from state A to state B. In this process, the heat absorbed and work done by the gas is 5 J and 8 J, respectively. Now gas is brought back to A by another process during which 3 J of heat is evolved. In this reverse process of B to A :

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Q. A gas undergoes change from state $A$ to state $B$. In this process, the heat absorbed and work done by the gas is $5 \,J$ and $8 \,J$, respectively. Now gas is brought back to $A$ by another process during which $3\, J$ of heat is evolved. In this reverse process of $B$ to $A$ :

JEE MainJEE Main 2017Thermodynamics

Solution:

Correct answer is (d) $6\, J$ of the work will be done by the surrounding on gas.

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