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)

Question

Quizplus · Accepted Answer

The reaction in option B forms two moles of H₂O(g), so ΔH_rxn is twice the ΔH_f° of one mole of H₂O(g), not equal to it.

Which Equation Has a ΔHrxn That Is Not Equal to ΔHof

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