138. Solving a chemistry problem

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37. The heat effect of combustion of graphite at 298 K is 393.795 kJ / mol, and of diamond at the same temperature - 395.692 kJ / mol. The specific heat capacities for these substances are, respectively, 720, 83 and 505.58 J / (kg * K). Calculate the heat of transition of graphite to diamond at 273 K.

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