A college student produces about 127 kcal of heat per hour onthe average. What is the rate of energy production in watts?____W
How many kilocalories of heat does the operation of a 1195 Whair dryer produce each second? __kcal/s
How much heat in kcal must be added to 0.68 kg of water atroom temperature ( 20oC) to raise the temperature to39oC?___kcal