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At 25^(@)C, a 0.01 mole sample of a gas ...

At `25^(@)C`, a `0.01` mole sample of a gas is compressed in volume from `4.0 L` to `1.0 L` at constant temperature. What is work done for this process if the external pressure is `4.0` bar ?

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Knowledge Check

  • At 25^(@)C , a 0.01 mole sample of a gas is compressed from 4.0 L to 1.0 L at constant temperature. What is the work done for this process if the external pressure is 4.0 bar?

    A
    `1.6 xx 10^(3) J`
    B
    `8.0 xx 10^(2) J`
    C
    `4.0 xx 10^(2) J`
    D
    `1.2 xx 10^(3) J`

  • One mole of an ideal gas at 25^(@)C expands in volume from 1.0 L to 4.0 L at constant temperature. What work (in J) is done if the gas expands against vacuum (P_("external") = 0) ?

    A
    `-4.0 xx 10^(2)`
    B
    `-3.0 xx 10^(2)`
    C
    `-1.0 xx 10^(2)`
    D
    Zero

  • A gas expands in volume from 2L to 5L against a pressure of 1 atm at constant temperature. The work done by the gas will be

    A
    3 J
    B
    `-303.9` J
    C
    `-303.9L*` atm
    D
    `303.9 L*`atm

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