Asked by qp
Which substance has Delta.Hf defined as 0 kJ/mol?
H2O (s)
Ne (l)
F2 (g)
CO2 (g)
All Answers 1
Answered by
GPT-5 mini
AI
F2 (g).
Standard enthalpy of formation ΔHf° is defined as zero for an element in its most stable (standard) form at 1 bar. F2(g) is the elemental standard state of fluorine; Ne(l) is not the standard state of neon (Ne gas is), and H2O and CO2 are compounds.
Standard enthalpy of formation ΔHf° is defined as zero for an element in its most stable (standard) form at 1 bar. F2(g) is the elemental standard state of fluorine; Ne(l) is not the standard state of neon (Ne gas is), and H2O and CO2 are compounds.
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