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Analytical Chemistry

Based on this particle diagram, what is the percent ionization of this acid?


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Question 43728

Analytical Chemistry

4.The formation of C2H;CI(g) is an exothermic reaction (AH° = –72.6 kJ/molpxn). Thefollowing two step reaction mechanism is proposed:
Step 1:C,H4(g) + HCI(g) → C,H;*(g) + C-(g)Slow step
Step 2: C,H;*(g) + Cl-(g) → C;H;CI(g)Fast step
A.) Write the rate law for the reaction that is consistent with the reaction mechanism above.
B.) Identify an intermediate in the reaction mechanism
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Question 43727

Analytical Chemistry

The two reaction diagrams here represent the same reaction: one without a catalyst an done with a catalyst. Estimate the activation energy for each process, and identify which one involves a catalyst.13.

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Question 43726

Analytical Chemistry

Consider the four reaction-energy diagrams below:
Identify the two diagrams that could represent a catalyzed and an un catalyzed reaction pathway for the same reaction. Indicate which of the two diagrams represents the catalyzed reaction pathway for the reaction.

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Question 43725

Analytical Chemistry

Nitrogen dioxide, NO2(g), is produced as a by-product of the combustion of fossil fuels ininternal combustion engines. At elevated temperatures NO2(g) decomposes according to theequation below.11.
2 \mathrm{NO}_{2}(g) \rightarrow 2 \mathrm{NO}(g)+\mathrm{O}_{2}(g)
The concentration of a sample of NO2(g) is monitored as it decomposes and is recorded onthe graph directly below. The two graphs that follow it are derived from the original data.
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Step 1: NO2(g) + NO2(g) → NO(g) + NO3(g)slow
Step 2: NO3(g) → NO(g) + O2(g)fast
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Step 1:NO2(g) + NO2(g)N„O4(g)fast equilibrium
Step 2:N204(9) → 2 NO(g) + O2(g)slow

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Question 43724

Analytical Chemistry

What is the expected rate law for the overall reaction shown below?
Step 1:NO(g) + Br,(g) 2 NOBr2(g)(fast)
Step 2:NOBR,(g) + NO2 NO (g) + 2 Br(g)(slow)

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Question 43723

Analytical Chemistry

2NO2(g) + F2(g) →
NO, and F2 can react to produce NO,F as represented above. A proposed mechanism for this reaction has two elementary steps, as shown below.reaction that is consistent with the proposed mechanism.Write a rate law for the overall
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NO2 + FNO,F(fast)

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Question 43722

Analytical Chemistry

What is the rate law for the overall reaction that is consistent with the proposed mechanism?
HOBR,(g) + HBr(g) –2 НОBr(q)(FAST)
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Question 43721

Analytical Chemistry

\mathrm{Na}_{2} \mathrm{C}_{37} \mathrm{H}_{34} \mathrm{~N}_{2} \mathrm{~S}_{3} \mathrm{O}_{9}+\mathrm{OCl}^{-} \rightarrow \text { products }
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Question 43720

Analytical Chemistry

5. Hydrogen reacts with nitrogen monoxide to form dinitrogen monoxide (laughing gas)according to the equation:
\mathrm{H}_{2}(g)+2 \mathrm{NO}(g) \rightarrow \mathrm{N}_{2} \mathrm{O}(g)+\mathrm{H}_{2} \mathrm{O}(g)
Determine the rate law, the rate constant, and the orders with respect to each reactant from the following data:

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Question 43719

Analytical Chemistry

. Ozone in the upper atmosphere is depleted when it reacts with nitrogen oxides. The rates of the reactions of nitrogen oxides with ozone are important factors in deciding how significant these reactions are in the formation of the ozone hole over Antarctica. One such reaction is the combination of nitric oxide, NO, with ozone, O3:
\mathrm{NO}(g)+\mathrm{O}_{3}(g) \rightarrow \mathrm{NO}_{2}(g)+\mathrm{O}_{2}(g)
Use the data to determine the rate law and the rate constant for the reaction at 25°C.

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