forAtoBq=5W=−8J,ΔUAB=dq+dw=5−8ΔUAB=−3
forBtoAΔUBA=dq+dwΔUBA=+33=−3+WBAWBA=6J
JEE Main 2017 — Chemistry Physical Chemistry
A gas undergoes change from state A to state B. In this process, the heat absorbed and work done by the gas is 5Jand8J, respectively. Now gas is brought back to A by another process during which 3J of heat is evolved. In this reverse process of BtoA.
Held on 9 Apr 2017 · Verified 6 Jul 2026.
6Jof the work will be done by the gas
6J of the work will be done by the surroundings on gas
10J of the work will be done by the surroundings on gas
10J of the work will be done by the gas
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