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Unformatted text preview: once. Energy and Power Energy Units-1 Joule (J)- energy (work) required to lift a one pound object about 9 inches-1 calorie (cal)- energy (heat) required to raise the temperature of one gram (1 ml) of water 1 degree Celsius-1 British thermal unit (Btu)- energy (heat) required to raise the temperature of one pount (1 pint, 16 fl. oz.) of water 1 degree farenheit 1 cal = 4.184J 1 Btu= 252 cal=1,055 J 1 (food) calorie= 1,000 cal= 1 kilocalorie (kcal)= 3.97 Btu 1 Quad= 1 quaddrillion (10 (15)_Btu 1 kilowatt-hour (kWh)= 3.412Btu= 3,600,000 J...
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- Spring '08