MISSED THIS? Watch KCV: Reaction Mechanisms, IWE: Reaction Mechanisms; Read Section 15.6. You can click on the Review link to access the section in your eText. Consider this three-step mechanism for a reaction: Cl₂ (g) Cl(g) + CHCl3 (g) Cl(g) + CC13 (g) 2C1(g) k₂ → HCl(g) +CC13(g) ką CCl4 (g) k₁ (fast) (slow) (fast) Part A What is the overall reaction? Express your answer as a chemical equation. Identify all of the phases in your answer. ► View Available Hint(s) xa ΑΣΦ Submit Xb a b x → Cl₂ +Cl→HC1+CC14 A chemical reaction does not occur for this question. Previous Answers Request Answer X ?

MISSED THIS? Watch KCV: Reaction Mechanisms, IWE: Reaction Mechanisms; Read Section 15.6. You can click on the Review link to access the section in your eText. Consider this three-step mechanism for a reaction: Cl₂ (g) Cl(g) + CHCl3 (g) Cl(g) + CC13 (g) 2C1(g) k₂ → HCl(g) +CC13(g) ką CCl4 (g) k₁ (fast) (slow) (fast) Part A What is the overall reaction? Express your answer as a chemical equation. Identify all of the phases in your answer. ► View Available Hint(s) xa ΑΣΦ Submit Xb a b x → Cl₂ +Cl→HC1+CC14 A chemical reaction does not occur for this question. Previous Answers Request Answer X ?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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One mechanism for the destruction of ozone in the upper atmosphere is Os (9) + NO(g) → NO₂(g) + O2(g) Slow NO₂(g) + 0(g) → NO(g) + O₂(g) Fast Overall reaction O3(g) + O(g) → 20₂ (g) a. Which species is a catalyst? ONO 003 002 O NO2 b. Which species is an intermediate? ONO 003 002 O NO₂ c. E₂ for the uncatalyzed reaction 03 (g) + 0(g) → 20₂ (g) is 14.0 kj. E for the same reaction when catalyzed is 11.9 kJ. What is the ratio of the rate constant for the catalyzed reaction to that for the uncatalyzed reaction at 85°C? Assume the frequency factor A is the same for each reaction. Ratio = [References) Submit Answer Try Another Version frem atempt remaning (Pr Previous
topic: order of reaction Write the reaction rate equation and identify the order of the reaction: Chemical Equation Type of Order Reaction Rate H2(g) + I2(g) => 2HI(g) NO(g) + O3(g) => NO2(g) + O2(g) 4OH(G) + H2S(g) => SO2(g) + 2H2O(aq) + H2(g
Time, s C3H8], M 0.0 0.26 10.0 0.18 20.0 0.14 30.0 0.10 . 40.0 0.064 .50.0 0.052 M
a) Determine the total order of the reaction.b) You want to increase the reaction rate as much as you can by doubling the initial concentration of one of the reactants. Which reactant would you choose? Explain your reasoning.
What is the average reaction rate for 2 NOB1(g) → Br,(g)+2 NO(g) over the first 10 seconds? Time [NOBr] (s) (mol/L) 0.00 0.0100 2.00 0.0071 4.00 0.0055 6.00 0.0045 8.00 0.0038 10.00 0.0033 [NOBI] (mol/L) mol/L 0.0100 0.0090 0.0080 0.0070 0.0060 0.0050 0.0040 0.0030 0.0020 0.00 5.00 10.00 time (s) 6.7 x 10-3 M/s d. 3.4 x 10-4 Mls a. b. 6.7 x 10-4 Mls e. 1.3 x 10-3 M/s c. 3.3 x 10-3 M/s Oxygen gas is formed by the decomposition of potassium chlorate at high temperatures according to the reaction 2 KC10, (s) → 2 KCI(s)+3 O,(g). Suppose 1.23 g KCIO; is placed in a container connected to an open-end mercury manometer on a day when atmospheric pressure is 1.00 atm. Once the reaction is complete, the height of the mercury column in the U-tube on the side of the reaction container rises by 172 mmHg. What is the pressure of O2 gas produced by the reaction? d. 0.774 atm e. 36.7 in Hg a. 1348 torr b. 22.9 kPa c. 0.559 bar
13. The production of nitric oxide is governed by the following reaction: 4NH3(g) +502(g) → 4NO(g) + 6H2O(g). produced? If the rate at which NO is produced is 6.35 x 10-2 mol/ L*s, at what rate is H₂O a. 8.29 x 10-3 mol/L✶ s b. 9.53 x 10-2 mol/L*s c. 6.35 x 10-2 mol/L*s d. 7.94 x 10-2 mol/L*s 14. Sulfur trioxide production follows the reaction: 2 SO2(g) + O2(g) → 2 SO3(g) consumed? If the rate at which SO3 is produced is 4.28 x 10 mol L-'s-', at what rate is O2 a. 4.28 × 10-4 mol L-'s-1 b. 1.08 x 10-3 mol L-'s-1 c. 1.07 × 10-4 mol L-'s-1 d. 2.14 x 104 mol L-'s-1 15. Consider the following reaction: 2A+B→ C. A kinetics study on this reaction yielded the following data: [A] mol/L [B] mol/L Rate=mol/L/s 0.0450 0.0250 5.03 x 10-3 0.0450 0.0500 2.01 x 10-2 0.0900 0.0250 5.03 x 10-3 What is the order of the reaction with respect to ([A], [B])? a. 1, 2 b. 2, 1 c. 2, 0 d. 0, 2
2. Consider the reaction: NH4 (aq) + 2NO2 (aq) → N2(g) + 2H2O[g) Rate = k[NH4*][NO2] Which of the following reaction conditions will generally result in a longer reaction time? O Adding a catalyst to the reaction mixture. O Placing the reaction mixture in a hot water bath. O Increasing the concentration of any reactants. O Adding distilled water to the mixture.
The kinetic data shown below were observed for the reaction: BF3 (g) + NH3 (g) ---------> F3B·NH3 (g) Trial # [BF3] (mol/L) [NH3] (mol/L) Rate (M/s) 1 0.250 0.250 0.2130 2 0.250 0.125 0.1065 3 0.200 0.100 0.0682 4 0.350 0.100 0.1193 5 0.175 0.100 0.0596 b. What is the order with respect to [BF3]? (Hint: provide the number for the order, i.e. fourth order = 4)
A chemistry graduate student is studying the rate of this reaction: H₂CO3 (aq) → H₂O (aq) + CO₂ (aq) He fills a reaction vessel with H₂CO3 and measures its concentration as the reaction proceeds: time (seconds) 0 10. 0.0334M 20. [H₂CO3] 0.100M 30. 0.0200M 0.0143 M 40. 0.0111 M Use this data to answer the following questions. Write the rate law for this reaction. Calculate the value of the rate constant k. Round your answer to 2 significant digits. Also be sure your answer has the correct unit symbol. rate = k k = 0 x10 ロ・ロ X
A. Consider the following proposed mechanism for the production of chlorine dixoide from chlorine and ozone. Draw a reaction coordinate diagram for this reaction. Label reactants, products, transition states, intermediates, and activation energy on your sketch. Assume the reaction is endothermic. NOTE: CI is chlorine, not Carbon lodide Overall: Cl₂ (g) + 203 (g) → 2 CIO₂ (g) + O₂ (g) Step 1: Cl₂ (g) → 2 Cl (g) fast Step 2: Cl (g) + Os (g) CIO₂ +O fast Step 3: O (g) + O3 (g) → 202 (g) fast Step 4: Cl (g) + O2 (g) → CIO2 (g) slow
9.
True or False _____ The kinetics of reaction deals with the energies of the products and the reactants. _____ Thermodynamics deals with reaction rates. _____ Understanding the reactions kinetics can help you understand the mechanism of a reaction. _____ Transition states are stable. _____ This is an example of an overall second order reaction (rate = kr[CH3Br][CH3-]) _____ The rate determining step is the step with the lowest activation energy.