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7.  In a process, 701 J of heat is absorbed by a system and 394 J of work is done by the system. What is the change in internal energy for the process?        

0 2 Views | Posted 3 months ago
Asked by Shiksha User

  • 1 Answer

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    Answered by

    Payal Gupta | Contributor-Level 10

    3 months ago

    7.  As per the first law of thermodynamics,

    ? U= q + W

    Heat absorbed by the system, q = 701 J

    Work done by the system, W = – 394 J

    Change in internal energy? U = q + w = 701 – 394 = 307 J.

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