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Two different substances at different temperatures are allowed to come in contact and thermally equilibrate. The mass of the first substance, (substance A), is 31.00 grams and its initial temperature is 21.4oC. A is allowed to come in contact with substance B. B has a mass of 46.28 grams and its initial temperature is 86.5oC. These two substances reach thermal equilibrium at a temperature of 64.2oC. If the specific heat capacity of substance B is 1.17 J/g·C, what is the specific heat capacity of substance A? Assume no heat is lost to the surroundings.

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