Consider the following ozone-oxygen equilibrium reaction. Which one of the possible answers would always be true? Why? 2O3(g) ⇌ 3O2(g) a) Kc[O2]3 = [O3]2 b) none of these c) Kc[O2]2 = [O3]3 d) [O3] = [O2] e) Kc[O3]2 = [O2]3 f) [O3]2 = [O2]3
Added by Connor P.
Step 1
First, let's write the balanced chemical equation for the ozone-oxygen equilibrium reaction: $$2 O_3(g) \rightleftharpoons 3 O_2(g)$$ Now, let's write the expression for the equilibrium constant, Kc, for this reaction: Show more…
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Ozone decomposes to molecular oxygen: 2 O3(g) ⇌ 3 O2(g). The following is a proposed mechanism for the reaction: Step 1: O3(g) ⇌ O2(g) + O(g) (fast) Step 2: O3(g) + O(g) ⇌ 2 O2(g) (slow) Which of the following is a valid rate law for the ozone decomposition reaction? Select one: a. rate = k[O][O2] b. rate = k[O3]^2 [O2]^-1 c. rate = k[O3][O] d. rate = k[O2] e. rate = k[O3]^2 [O2]
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Consider the following equilibrium reaction: 2 NO (g) + O2 (g) ⇌ 2 NO2 (g) What is the Kc expression? Select one: [NO2]^2 / [NO]^2 * [O2]
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Ozone, O3, is an important absorber of UV radiation in our atmosphere. Upon absorption of UV radiation, O3 dissociates into molecular oxygen, O2, and a free oxygen atom. The free oxygen atom can then join with another O2 molecule to create more ozone, which can in turn absorb more UV radiation. Alternatively, the free oxygen atom could join with O3 to create more O2. 2 O3(g) → 3 O2(g) The reaction would have a _______ ΔS. A) positive B) negative C) zero D) can't determine from given information Why? (pick one) A) The moles of gas increase B) The moles of gas decrease C) The moles of gas remain constant. D) The total moles of product are greater E) The total moles of reactant are greater. F) The number of moles is the same in reactants and products.
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