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Unformatted text preview: ∆ H, E a , transition state, intermediates Rate Determining Step (slow step) Catalyst – speeds up a reaction by lowering the activation energy by providing an alternate mechanism (pathway) for the reaction to occur R ate laws rate = k[A] x [B] y For the reaction 2NO (g) + Cl 2(g) ⇔ 2NOCl (g) , the following results were obtained: [NO] (mol/L) [Cl 2 ] (mol/L) Initial Rate (mol/L . s) 0.10 0.10 0.18 0.10 0.20 0.36 0.20 0.20 1.44 What is the rate law for this reaction? What is the overall rxn order? What is the rate constant? Mechanisms O 3 ⇔ O 2 + O (rapid equilibrium) or (fast) O + O 3 ⇔ 2O 2 (slow) What is the intermediate? What is the rate law?...
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