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A quantity of "8g" oxygen gas is expande...

A quantity of "8g" oxygen gas is expanded isothermally at `27^(@)C` from `2dm^(3)` to `8dm^(3)` at a constant external pressure of 4bar.If the magnitude of work done in this process is used in lifting a body of mass 40 kg ,the height (in metre) upto which body can be lifted is, `(g=10ms^(-2))`

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