Multiple Choice
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)
A) -139.5 kJ
B) -137.4 kJ
C) -104.4 kJ
D) 104.4 kJ
E) 139.5 kJ
Correct Answer:

Verified
Correct Answer:
Verified
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