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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A vessel containing oxygen and hydrogen gases can exist indefinitely without exploding because the reaction between oxygen and hydrogen requires an activation energy to initiate the reaction.
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