Calculate the ΔH°_rxn for the Following Reaction

question 24

Multiple Choice

Calculate the ΔH°_rxn for the following reaction. (ΔH°_f [SiO₂(s) ] = −910.9 kJ/mol; ΔH°_f [SiCl₄(g) ] = −657.0 kJ/mol; ΔH°_f [HCl(g) ] = −92.3 kJ/mol; ΔH°_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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