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Unformatted text preview: 69. (a) By Eq. 19-28, W = –374 J (since the process is an adiabatic compression).
(b) Q = 0 since the process is adiabatic.
(c) By first law of thermodynamics, the change in internal energy is ΔEint= Q – W = +374
(d) The change in the average kinetic energy per atom is ΔKavg = ΔEint/N = +3.11 × 10−22 J. ...
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