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10 gram of argon gas is compressed isoth...

10 gram of argon gas is compressed isothermally and reversibly at temperature of `27^(@)C` from 10 litre to 5 litre. Calculate work ? (At. wt. of Ar = 40) :

A

535.4 joule

B

430.81 joule

C

`–430.81` joule

D

`–535.4` joule

Text Solution

Verified by Experts

The correct Answer is:
B
`W=-2.303nRT xx "log"_(10)(V_(2))/(V_(1))`
`W=-2.303xx((10)/(40))xx8.314xx300xx log_(10)((5)/(10))`
`=+2.303xx(1)/(4)xx8.314xx300xxlog_(10)2`
`=430.81` Joule
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