What does X represent in the following equation? H 2(g) + 1/2O 2 (g) →
CHEMISTRY
WAEC 1996
What does X represent in the following equation? H 2(g) + 1/2O2(g) → H2O (l); ΔH = xKJ.
- A. Bond energy
- B. Activation energy
- C. Ionization energy
- D. Enthalpy of formation
Correct Answer: D. Enthalpy of formation
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