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At 27^(@)C, 4.0 g of He is expanded reve...

At `27^(@)C, 4.0 g` of He is expanded reversibly and isothermally when the pressure drops from 10 to 1.0 atm. Calculate the work done in calorie, assuming an ideal behavior of the gas.

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`w= - n RTxx 2.303 " log " (P_(1))/(P_(2))`
` = - ((4)/(4))xx1.987xx300xx2.303 " log " (10)/(1)= - 1372.8` cal
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CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-Numerical Problems
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