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Find the change in internal energy of `2` moles of an ideal gas when its temperature is increased by `75K`
(a) Keeping the pressure constant.
(b) Keeping the volume constant and
(c ) adiabatically. `(gamma = (C_(P))/(C_(V)) =(7)/(5)) [R = (25)/(3)J//mol-K]`

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The correct Answer is:
`3125J`
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