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What happened to work when (i) gasexpands against external pressure (ii) gas is compressed (iii) gas expands into vacuum (iv) an ideal gas expands reversibly and isothermally . |
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Answer» Solution :(i) When a gas expands against external pressure, work is done by the system. (ii) When a gas is COMPRESSED , Work is done on the system. (iii) When the gas expands into VACUUM no work is done becomes is zero. (iv) When the gas isallowed to expand under REVERSIBLE condition, work done by the gas is MAXIMUM. |
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