Oxygen and hydrogen gases react with each other explosively according to the equation
2H2(g) + O2(g) 2H2O(g)
ΔH = –242 kJ mol–1
Why is it that a vessel containing oxygen and hydrogen gases can exist indefinitely without exploding?
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The vessel containing oxygen and hydrogen gases can exist indefinitely without exploding because the reaction requires an activation energy to initiate the explosive reaction, and this energy may not be available in the given conditions.
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