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OpenStudy (anonymous):
An electric heater heats the air in an industrial chamber, raising its temperature from 30° C to 180° C. The mass of the air in the chamber is 1,200 kilograms. The specific heat of air is 1,000 J/kg °C. How much electrical energy does the heater consume? 12,000 joules 1,80 million joules 1,800 joules 12 million joules
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