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A home swimming pool contains 156m3 of water. At the beginning of swimming season, the water must be heated from 20.0C to 30.0C. If a

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A home swimming pool contains 156m3 of water. At the beginning of swimming season, the water must be heated from 20.0C to 30.0C. If a natural gas heater supplies this energy with an 75.3% heat transfer efficiency. how many grams of methane must be burned? (The heat of combustion of methane is 803kJ/mol.)

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