How much coal must be burned in a furnace to bring 100 liters of water to a boil?

univerkov | March 24, 2021 | education

How much coal must be burned in a furnace to bring 100 liters of water to a boil? The initial water temperature is 20 ° C. Consider that 40% of all released energy is spent on heating water.

Decision:
mvSv (100-20) = 0.4 (myqy)
33600000 = 10800000my
my = 3111 g
Answer: 3111

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