Work done in expansion of an ideal gas f...

Work done in expansion of an ideal gas from 4 litre to 6 litre against a constant external pressure of 2.5 atm was used to heat up 1 mole of water at 293K. If specific heat of water is `4.184Jg^-1K^-1`, what is the final temperature of water?

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299.723 K

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