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Based on the first law of thermodynamics...

Based on the first law of thermodynamics, which one of the following is correct?

A

For an isochoric process `=DeltaE=-Q`

B

For an adiabatic process `=DeltaE=-W`

C

For an isothermal process `=Q=+W`

D

For a cyclic process `=Q=-W`

Text Solution

Verified by Experts

The correct Answer is:
D
For isochoric process `DeltaV=0`
`:.W=pDeltaV=0,DeltaE=Q`
b. For adiabatic process `Q=0` ltbrogt `DeltaE=W`
c. For isothermal process `Q=0`
aned `DeltaE=0`
`Q=-W`
l d. For cyclic process, state functions like
`DeltaE=0`
`Q=-W`
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