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A gas at 27^@ C in a cylinder has a volu...

A gas at `27^@ C` in a cylinder has a volume of 4 litre and pressure `100 Nm^-2`.
(i) Gas is first compressed at constant temperature so that the pressure is `150 Nm^-2` . Calculate the change in volume.
(ii) It is then heated at constant volume so that temperature becomes `127^@ C`. Calculate the new pressure.

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