Chemistry, 25.02.2020 04:37, deaklet

When one mole of calcium carbonate reacts with ammonia, solid calcium cyanamide, CaCN2, and liquid water are formed. The reaction absorbs 90.1 kJ of heat. Write a balanced thermochemical equation for the reaction. Calculate ΔHf° for calcium cyanamide. ΔHf° (kJ/mol) CaCO3(s) –1206.9 NH3(g) –46.1 H2O(l) –285.8

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When one mole of calcium carbonate reacts with ammonia, solid calcium cyanamide, CaCN2, and liquid w...