A 0.431kg piece of copper is removed from an oven and plunged into 0.399kg of water in an insulated container. The temperature of the water increases from 26.0C to 87.0C. If the specific heat capacity of copper is 0.385Jg1C1, what must have been the original temperature of the copper, in C ? The specific heat capacity of water is 4.184Jg1C1. Give your answer accurate to 3 significant figures. Enter only numbers in your answer. Do not include units. Enter 1.23104 as 1.23E4