(Answered) Find thenbspheat of reactionnbspdeltah for each of the

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Find the heat of reaction (ΔH) for each of the following chemical reactions and note whether each reaction is exothermic or endothermic.

SiO2 (s) + C(s) CO2 (g) + Si(s) where ΔHf for SiO2 (s) = -861 kJ/mol
P4O10 (s) + 6 H2O(l) 4 H3PO4 (s) where ΔHf for P4O10 (s) = -3024 kJ/mol and ΔHf for H3PO4 (s) = -1273 kJ/mol

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