A copper ball and an aluminum ball of mass 150 g each are heated to 100°C and then cooled to a temperature of 20° The heat lost by the copper ball is 46 ) The heat lost by the aluminum ball is 108 N. What is the specific heat of copper, if the specific heat of aluminum is 0.901/0°C? A) 0.58 1/9°C B) 0.47 1/9°C C) 2.11 b/g°C D) 2.611/9°C

An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.