1.2 MOLES OF AN IDEAL GAS AT 2 BAR AND 27 DEGREE CEXPAND ISOTHERMALLY AGAINST A CONSTANT PRESSURE OF 1 BAR.THE WORK DONE BY GAS IS?2.HOW MUCH HEAT IS REQUIRED TO CHANGE 10g ICE AT 0 DEGREE C TO STEAM AT 100 DEGREE C?LATENT HEAT OF FUSION AND VAPOUR FOR H2O ARE 80CAL/G AND 540 CAL/G RESP.SPECIFIC HEAT OF WATER IS 1 CAL/G?

Dear Sayantan,

I VERY MUCH WANTED TO ANSWER BOTH PROBLEMS TOGETHER, BUT I FORGOT TO ANSWER THE SECOND PROBLEM IN MY PEVIOUS POSTING. IT WAS NOT AT ALL MY INTENTION TO CHEAT.

Heat required=80*10+1*10*100+540*10=7200 calories 

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