A certain gas is compressed adiabatically. The amount of work done on the gas is 800 J. What is the change in the internal (thermal) energy

Question

A certain gas is compressed adiabatically. The amount of work done on the gas is 800 J. What is the change in the internal (thermal) energy of the gas?

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Linh Đan 3 months 2021-08-25T17:05:20+00:00 1 Answers 0 views 0

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    2021-08-25T17:07:05+00:00

    Answer:

    800J

    Explanation:

    Using the formula for change in the internal energy of a system

    ∆U = Q – W

    Q = heat added to the system

    W =workdone by system.

    We know the process is an adiabatic one then, there no addition/ removal of heat, then Q= 0

    (∆U = -W )

    Then substitute for W, we have

    ∆U = -[-800]

    ∆U= 800J

    ∆U = 800J

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