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One mole of an ideal gas at 300 K is exp...

One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litre. The `DeltaU` for this process is `(R = 2 cal K^-1 mol^-1)`.

A

163.7 cal

B

`-600 cal`

C

9 litre-atm

D

zero

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