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प्रश्न
When does a system lose energy to its surroundings and its internal energy decreases?
उत्तर
When the system does some work to increase its volume, and no heat is added to it while expanding, the system loses energy to its surroundings and its internal energy decreases.
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संबंधित प्रश्न
In changing the state of a gas adiabatically from an equilibrium state A to another equilibrium state B, an amount of work equal to 22.3 J is done on the system. If the gas is taken from state A to B via a process in which the net heat absorbed by the system is 9.35 cal, how much is the net work done by the system in the latter case? (Take 1 cal = 4.19 J)
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Figure shows two processes A and B on a system. Let ∆Q1 and ∆Q2 be the heat given to the system in processes A and B respectively. Then ____________ .
Refer to figure. Let ∆U1 and ∆U2 be the changes in internal energy of the system in the process A and B. Then _____________ .
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In a process on a system, the initial pressure and volume are equal to the final pressure and volume.
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