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Why is Cv used instead of Cp for calculating the internal energy of a gas?
oic. Thanks a lot!- freshjunior
- Post #3
- Forum: Mechanical Engineering
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Why is Cv used instead of Cp for calculating the internal energy of a gas?
internal energy of a gas :( Hi all! I have a problem with this equation ΔU=mCvΔT, where ΔU=change in internal energy, m=mass, Cv=specific heat of air/gas at constant volume,ΔT=change in temp. Although this expression is true for all processes which can be applied to a gas e.g polytropic...- freshjunior
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- Energy Gas Internal Internal energy
- Replies: 2
- Forum: Mechanical Engineering