What is ΔH°rxn for the following reaction? SiO2(s) + 4HCl(g) → SiCl4(g) + 2H2O(g)
Substance ΔH°f(kJ/mol)
SiO2(s) -859.3
SiCl4(g) -662.8
HCl(g) -92.3
H2O(g) -241.8
A) -1856.2 kJ/mol
B) -1372.6 kJ/mol
C) -47.0 kJ/mol
D) 82.1 kJ/mol
E) 530.6 kJ/mol
Correct Answer:
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