Calculate Enthalpy Change For Silica And Hydrofluoric Acid Reaction

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Question

Hexafluorosilicic acid is made by the reaction of silica and hydrofluoric acid by the following reaction

6HF + SiO₂ → H₂SiF₆ + 2H₂O ΔH_r = -670 kJ/mol

What is the enthalpy change if the feed into a reactor contains 3 mol HF and 1.5 mol SiO₂?

Summary

The question belongs to Chemical Engineering and it discusses about calculation of enthalpy change in reaction of silica and hydrofluoric acid.

Total Word Count 45

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