37. Solving a chemistry problem

37. Solving a chemistry problem

1. Describe the composition, structure and properties of boron oxide. Determine the enthalpy of its formation, based on the enthalpy of formation of magnesium oxide (-601.8 kJ / mol) and the thermochemical equation: B2O3 (am) 3Mg (c) \u003d 3MgO (c) 2B (c); ΔHрº = -551.4 kJ.

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