Map General Chemistr University Science Books 4th Edition presented by Sapling L

Question

Map General Chemistr University Science Books 4th Edition presented by Sapling Learnin Donald McQuarrie.Peter A. Rock. Ethan Gallogly The decomposition of nitramide, O2NNH2, in water has the following chemical equation and rate law. rate k A proposed mechanism for this reaction is (1) oz NNHlaq) o, NNH (aq)+H (aq) (fast equilibrium slow (fast (3) H (aq) +OH (aq) Ha What is the relationship between the observed value of k and the rate constants for the individual steps of the mechanism? Drag the symbols into the 1 k3 k2 numerator or denominator as needed.

Explanation / Answer

For my convenience I denote O?NNH? with N and O? NN H- with I (intermediate). Then r = k[I]. From the equilibrium one gets K= k1/k-1= [I][H+]/[N]. Solve for [I] and insert in to rate law: r= k2 k1 [N]/ ( k-1 [H+] ) and by comparison: k= k1 k2/k-1

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