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Because the hydrogen and oxygen are already chemically combined.

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8y ago
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6mo ago

When hydrogen and oxygen react to form water, the chemical reaction is exothermic, meaning it releases energy in the form of heat. This process stabilizes the water molecules and prevents them from further reacting with oxygen in a combustion reaction. In other words, the energy released during the formation of water is higher than what would be required for further combustion.

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Q: Why doesn't water formed by hydrogen and oxygen combust?
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