Compute ΔH°rxn for the Following Reaction

question 77

Multiple Choice

Compute ΔH°rxn for the following reaction. The value of ΔH°f in kJ/mol is given below each species:
PCl₅(g) + 4 H₂O(l) → H₃PO₄(s) + 5 HCl(g)
-398.9  -285.9   -1281.1    -92.30

• A) -688.6 kJ
• B) -200.1 kJ
• C) -74.9 kJ
• D) -1000.6 kJ
• E) -900.3 kJ

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