Question
Download Solution PDFIn an isothermal process, internal energy of the gas molecules
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
The internal energy of a system is the energy contained within the system, including the kinetic and potential energy as a whole.
The internal energy of an ideal gas is a function of absolute temperature only.
For an ideal gas:
U = f(T) only
Change in internal energy is given as
U2 - U1 = mcv(T2 - T1)
T2 = T1 ⇒ U2 = U1
In case of isothermal process, there is no change in temperature so the change in internal energy is also zero. So internal energy of the system remains constant.
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