Explain hess''s law to calculate h for the reaction

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Consider the following data. 2 Ca(s) + O2(g) 2 CaO(s) H = -1270.2 kJ C(s) + O2(g) CO2(g) H = -393.5 kJ CaO(s) + CO2(g) CaCO3(s) H = -178.3 kJ Use Hess's law to calculate H for the reaction below. 2 CaCO3(s) 2 C(s) + 2 Ca(s) + 3 O2(g) H = kJ

Reference no: EM13309950

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