Define what is meant by unimolecular and bimolecular steps. Why are termolecular steps infrequently seen in chemical reactions?
Answer to relevant QuestionsWhat two requirements must be met to call a mechanism plausible? Why say a “plausible” mechanism instead of the “correct” mechanism? Is it true that most reactions occur by a one- step mechanism? Explain. The reaction 2NO(g) + O2(g) → 2NO2(g) exhibits the rate law Rate = k[NO]2[O2] Which of the following mechanisms is consistent with this rate law? a. NO + O2 → NO2 + O Slow O + NO → NO2 Fast b. NO + O2 ⇌ NO3 Fast ...The following mechanism has been proposed to account for the rate law of the decomposition of ozone to O2(g): Apply the steady-state hypothesis to the concentration of atomic oxygen, and derive the rate law for the ...The decomposition of iodoethane in the gas phase proceeds according to the following equation: C2H5I(g) → C2H4(g) + HI(g) At 660. K, k = 7.2 × 10-4 s-1; at 720. K, k = 1.7 × 10-2 s-1. What is the rate constant for this ...A metallic solid with atoms in a face-centered cubic unit cell with an edge length of 392 pm has a density of 21.45 g/cm3. Calculate the atomic mass and the atomic radius of the metal. Identify the metal.
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