Which reaction is the formation reaction for CaO(s)? In other words, which equation has a AHixn value equal to the AH; value for CaO(s) О 2 СаО(s) 2 Ca(s) + O2(g) Ca(s) + 0,(g) –→ CaO(s) Ca?+ (aq) + 02-(aq) – > » CaO(s) CaO(s) → Ca(s) + 0,(g) O 2 Ca(s) + O,(g) 2 CaO(s)

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