Problem: Calculate ΔH°rxn for the following:SiO2(s) + 4HF(g) ⟶ SiF4(g) + 2H2O(l)

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SiO2(s) + 4HF(g) ⟶ SiF4(g) + 2H2O(l)

ΔH°f, SiO2(s) = -910.9 kJ/mol

ΔH°f, HF(g) = -268.6 kJ/mol

ΔH°f, SiF4(g) = -1614.9 kJ/mol

ΔH°f, H2O(l) = -285.83 kJ/mol


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Problem Details

Calculate ΔH°rxn for the following:

SiO2(s) + 4HF(g) ⟶ SiF4(g) + 2H2O(l)