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An ideal gas expands from the volume of ...

An ideal gas expands from the volume of `1xx10^(-3)m^3` to `1xx10^(-2) m^3` at 300K against a constant pressure at `1xx10^5 Nm^(-2)`. The work done is ___

A

`-900` J

B

900 J

C

270 kJ

D

`-900` kJ

Text Solution

Verified by Experts

The correct Answer is:
A
`w=-PDeltaV`
`w=-(1xx105 Nm^(-2))(1xx10^(-2) m^3 -1 xx10^(-3) m^3)`
`w=-10^5 (10^(-2) -10^(-3))`Nm
`w=-10^5 (10-1)10^(-3)` J
`w=-10^5 (9xx10^(-3))`J
`w=-9xx10^2` J
w=-900 J
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Knowledge Check

  • An ideal gas expands from the volume of 1xx10^(-3)m^(3) to 1xx10^(-2) m^(3) at 300K against a consta pressure at 1xx10^(5) Nm^(-2) . The work done is ............

    A
    `-900 J`
    B
    900 KJ
    C
    270 KJ
    D
    `-900 J`

  • An ideal gas expands from the volume fo 1xx10^(-3)m^(3) ' to " 1xx10^(-2)m^(3) " at " 300K against a constant pressure at 1xx10^(2)Nm^(-2) . The work done is

    A
    `-900J`
    B
    `900KJ`
    C
    `270kJ`
    D
    `-9000kJ`

  • An ideal gas expands from the volume of · 1 xx 10^(-3) m^3 " to " 1 xx 10^(-2) m^3 at 300 K agamst a constant pressure at 1 xx 10^5 Nm^(-2) . The work done is

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    B
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