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For the reversible isothermal expansion ...

For the reversible isothermal expansion of one mole of an ideal gas at 300 K, from a volume of `10 dm^(3)` to `20 dm^(3), Delta H` is -

A

`1.73 kJ`

B

`-1.73 KJ`

C

`3.46 KJ`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • In reversible isothermal expansion of an ideal gas :

    A
    w = 0
    B
    `U_(1) = U_(2)`
    C
    `H_(1) = H_(2)`
    D
    `q=nRTln.(V_(2))/(V_(1))`

  • The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm^(3) to a volume of 100 dm^(3) at 27^(@) is :

    A
    `35.8 J mol^(-1)K^(-1)`
    B
    ` 32.3J mol^(-1) K^(-1)`
    C
    ` 42.3 J mol^(-1) K^(-1)`
    D
    `38.3 J mol^(-1) K^(-1)`

  • The entropy of change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10 dm^(3) to a volume of 100 dm^(3) at 27^(@)C is

    A
    `38.3 J mol^(-1) K^(-1)`
    B
    `35.8 J "mol"^(-1) K^(-1)`
    C
    `32.3 J "mol"^(-1) K^(-1)`
    D
    `42.3 J "mol"^(-1) K^(-1)`

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