Chemistry · May / June 2026 · Paper 22 · Question 3
5070
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The equation for one of the reactions that happens in a catalytic converter is shown. 2NO(g) O2(g) + N2(g) This decomposition reaction is exothermic.
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3(a)[3]
3(b)[1]
3(c)[1]
3(d)[2]
3(e)[2]
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