Which Equation Has a ΔH_rxn That Is Not Equal to ΔH^o_f

question 55

Multiple Choice

Which equation has a ΔH_rxn that is not equal to ΔH^o_f of the product? rev: 04_28_2015_QC_CS-14747

• A)F₂(g)+ ½O₂(g)→ F₂O(g)
• B)O₂(g)+ 2H₂(g)→ 2 H₂O(g)
• C)H₂(g)+ ½O₂(g)+ → H₂O(l)
• D)Ti(s)+ 2Cl₂(g)→ TiCl₄(l)
• E)½H₂(g)+ ½ Cl₂(g)→ HCl(g)

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Definitions:

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