Furnace oil has a heat of combustion of 44 MJ/kg. Assuming that 70 percent of the heat
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Furnace oil has a heat of combustion of 44 MJ/kg. Assuming that 70 percent of the heat is useful, how many kilograms of oil are required to raise the temperature of 2000 kg of water from 20 °C to 99 °C?
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