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  • Work done for the reversible expansion of one mole of an ideal gas from volume of 10 litres to 20 litres at <img alt="25^{0}C" src="http://entrancecorner.oncodecogs.com/gif.latex?25%5E%7B0%7DC

Work done for the reversible expansion of one mole of an ideal gas from volume of 10 litres to 20 litres at 25^{0}C (in Joule) is:

Option: 1

2.303\times298\times0.082\log 2


Option: 2

-298\times8.31\times2.303\log 2


Option: 3

-2.303\times298\times0.082\log 0.5


Option: 4

2.303\times298\times8.31\log 0.5


Answers (1)

best_answer

W= -nRT\, \ln \frac{V_{f}}{V_{i}}

 W=-2.303\times1\times8.314\times\log\left ( \frac{20}{10} \right )\times298

W=-298\times8.314\times2.303\times\log\left ( 2 \right )

Therefore, Option(2) is correct

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Nehul

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