For the Species in the Reaction Below, ΔH°_f Is Zero

question 104

Multiple Choice

For the species in the reaction below, ΔH°_f is zero for ________. 2Co (s) + H₂ (g) + 8PF₃ (g) → 2HCo(PF₃) ₄ (l)

• A)Co (s)
• B)H₂ (g)
• C)PF₃ (g)
• D)HCo(PF₃)₄ (l)
• E)both Co(s)and H₂ (g)

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