Assuming that 50% of the heat is useful, how many kg of water at 15^@C – InterviewSolution

1.	Assuming that 50% of the heat is useful, how many kg of water at 15^@Ccan be heated to 95^@Cby burning 200 litres of methane at NTP? DeltaH_("combustion") (CH_4) = 211 kcal/mole, sp. heat of water = 1 kcal/kg K.
Answer» SOLUTION :11.8 KG

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