If universal gas constant is R, the esse...

If universal gas constant is R, the essential heat to increase from K to 473 K at constant volume for ideal gas of 4 moles is

200 R

400 R

800 R

1200 R

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Verified by Experts

The correct Answer is:

Specific heat for a monoatomic gas
`C_(v)=(3)/(2)R`
`therefore"Heat "dQ=muC_(v)DeltaT`
`dQ=muxx(3)/(2)xxR(473-273)`
= `4xx(3)/(2)xxRxx200" " (becausemu=4)`
`therefore" " dQ=4xx300R=1200R`

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