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  3. Q. Why C_p is always greater than C_v ?
# Medical

Q. Why C_p is always greater than C_v ?

Answers (1)
D Deependra Verma
A. The heat capacity at constant pressure C_p is greater than the heat capacity at constant volume C_v , because when heat is added at constant pressure, the substance expands, so the heat added during constant pressure is used to do external work also.

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