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Work Done in Isothermal Reversible Process

One mole of a...

Question

One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres. The value of $△ U$ for this process is:
$(R = 2 c a l m o l^{- 1} K^{- l})$

A

163.7 cal

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B

zero

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C

138.1 cal

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D

9 atm L

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Solution

The correct option is B zero
Internal energy of an ideal gas is dependent on the temperature of the process.
For an isothermal process, the change in internal energy $(Δ U)$ = 0 during isothermal expansion of a gas.

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Work Done in Isothermal Reversible Process

Standard XIII Chemistry

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