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A piston filled with 0.04 mol of an idea...

A piston filled with `0.04` mol of an ideal gas expands reversibly from `50.0 mL` to `375 mL` at a constant temperature of `37.0^(@)C`. As it does so, it absorbs `208 J` of heat. The value of `q` and `w` for the process will be:
`(R=8.314J//molK)(ln 7.5=2.01)`

A

`q=+208J,w=+208J`

B

`q=+208J,w=-208J`

C

`q=-208J,w=-208J`

D

`q=-208J,w=+208J`

Text Solution

Verified by Experts

The correct Answer is:
B
`DeltaU=Q-W`
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A piston filled with 0.04 mole of an ideal gas expands reversible from 50.0 mL to 375 mL at a constant temperature of 37.0^(@)C . As it does so, it absorbs 208 J of heat. The values of q and w for the process will be: (R=3.14J/molK) (in 7.5=2.01)

A piston fielld with 0.04 mole of an ideal gas expands eversible from 50.0mL at a constant temperature of 37.0^(@)C . As it does so, it absorbe 208J of heat. The value of q and W for the process will be (R=8.314J//molK , 1n7.5=2.01)