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WAEC - Chemistry (2009 - No. 24)
Consider the reaction represented by the following equation: H
2(g)
+ \(\frac{1}{2}\) O
(g)
→ H
2
O
(g)
∆H =-285.8 KJmo
-1
∆H represents the enthalpy of
formation
hydration
neutralization
solution
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