Calculate the H°rxn for the following reaction. ( H°f [SiO2(s) ] = -910.9 kJ/mol; H°f [SiCl4(g) ] = -657.0 kJ/mol; H°f [HCl(g) ] = -92.3 kJ/mol; H°f [H2O (g) ] = -241.8 kJ/mol) SiO2(s) + 4HCl(g) SiCl4(g) + 2H2O(g)
A) -139.5 kJ
B) -137.4 kJ
C) -104.4 kJ
D) 104.4 kJ
E) 139.5 kJ
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