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The lab is this: mass of water: 200 g. Initial temp of water: 20 degree Celsius. Mass of metal ball: 80 g. Initial temp of metal ball: 75 degree Celsius. Equilibrium twmperature when metal ball is put into water: 47.5 degree Celsius. For specific heat of the metal I got 2.5 cal/ g x Celsius. It keeps saying this is wrong... The box I'm putting it in says "Cmetal using Tf". I'm not sure what I'm doing wrong. I know this isn't a whole lot of information but I hope someone can help me!