InterviewSolution
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InterviewSolution
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Express the change in internal energy of a system when (i) No heat is absorbed by the system from the surroundings, but work (w) is done on the system. What type of wall does the system have ? ii) No work is done on the system, but q amount of heat is taken out from the system and given to the surroundings. What type of wall does the system have? (iii) w amount of work is done by the system and q amount of heat is supplied to the system. What type of system would it be? |
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Answer» (i) `Delta U=w_(ad)` Wall is adiabatic (ii) `Delta U=-q` thermally conducting walls (iii) `Delta U=q-w,` closed system. |
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