The village blacksmith dunks a red-hot horseshoe into a large bucket of 22°C water. How much heat was lost by the horseshoe in vaporizing 0.981 kg of water?
Q=mcΔT and Q=mhv (Heat of vaporization of water = 2,260,000 J/kg and the specific heat is 4187 J/kg°C) Round to the tenth place.