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OpenStudy (anonymous):
In an experiment, 772 g of water is in a copper calorimeter cup of mass 276 g. The cup and the water are at an initial temperature of 12.3 oC. An unknown material with a mass of 361 g at a temperature of 246.5 oC is placed in the water. The system reaches thermal equilibrium at 19.9 oC. What is the specific heat of the unknown material? (Do not include units in this problem.)
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