(a) How much energy is necessary to heat 2.5 kg of water from room temperature (20°C) to its boiling point? (Assume no energy loss.) 1971080 kcal (b) If electrical energy were used, how much would this cost at 55¢ per kWh? ¢
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1971080 kcal
(b) If electrical energy were used, how much would this cost at 55¢ per kWh?
¢
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