Discussion Forum : Mechanical
Question - An ideal gas of mass m and temperature T1 undergoes a reversible isothermal process from an initial pressure P1 to final pressure P2. The heat loss during the process is Q. The entropy change ∆S of the gas is
Options:
A .  mR ln(P2/P1)
B .  mR ln(P1/P2)
C .  mR ln(P2/P1) - Q/T1
D .  zero
Answer: Option B


-NA-



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