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Solution of the problem 296 of the collection on genera
296. Calculate ΔHº298 the formation of MgCO3 (k) at 298 K, using the following data:
C (graphite) + O2 (g) = CO2 (g); ΔHº298 = -393.5 kJ
2Mg (к.) + O2 = 2MgO (к.); ΔHº298 = -1203.6 kJ
MgO (k) + CO2 (g) = MgCO3 (q); ΔHº298 = -117.7 kJ
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