![14. The rate constant for a particular reaction is 0.47 M is 1. If the initial concentration of reactant is 0.25 mol/L, it takes s for the concentration to decrease to 0.20 mol/L. A) 2.1 B) 1.4 C) 1.0 D) 0.47 E) 0.20 Use the mechanism below to answer the next question NO Br2 NOBr2 (fast) NOBr2 NO 2NOBr (slow) 15. Which of the following reaction mechanisms is consistent with the proposed mechanism? A) Rate k [NO]2 C) Rate k [NO][Br2]2 D) Rate k [NO]2[Br2] E) Rate k [NO]2[Br2]2](http://img.homeworklib.com/questions/91a66140-a232-11ec-b9e8-03e0a6101711.png?x-oss-process=image/resize,w_560)
Please answer questions 14, and 15!!Homework Answers
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Please answer questions 14, and 15!!
The rate constant for a particular reaction is 0.47 M^-1...
The rate equation for the reaction 2NO(g) + Br_2(g) rightgarrow 2NOBr(g) was determined experimentally to be:...
The rate equation for the reaction 2NO(g) + Br_2(g) rightgarrow 2NOBr(g) was determined experimentally to be: Rate = k[NO]^2 [Br_2] Five possible mechanisms have been proposed (i)-(v). Determine the rate equation for each mechanism below and then decide with reasons, (based on the information given) which mechanism is the most likely. (i) 2NO (g) + Br_2 (g) rightarrow 2NOBr (g) (ii)NO (g) + Br_2 rightwardsharpoonoverleftwardsharpoon NOBr_2 (g) NOBr_2 (g) + NO (g) rightarrow 2NOBr (g) (iii) Br_2 rightwardsharpoonoverleftwardsharpoon Br +...
Kinetics. The rate constant for a particular second-order reaction is 0.47 M-1s-1. If the initial concentration...
Kinetics. The rate constant for a particular second-order reaction is 0.47 M-1s-1. If the initial concentration of reactant is 0.25 mol/L, what concentration will remain after 12.0 s? SHOW ALL WORK - SHOW ALL STEPS (WITH UNITS)
e . b. (- R 0.3 14 J/ k -mol) 6.4×10-4 M.'si c. 2.1 x 103...
e . b. (- R 0.3 14 J/ k -mol) 6.4×10-4 M.'si c. 2.1 x 103 M's d. 3.6×10-3 Migl e. 2.5x 1026M''s 23. Nitrogen dioxide reacts with carbon monoxide to produce nitrogen monoxide NO2(g) + CO(g) → NO(g) + CO2(g) A proposed mechanism for this reaction is 2 NO2(g) → NO2(g) + NO(g) (fast, equilibrium) N03(g) + CO(g) → NO2(g) + CO2(g) (slow) What is a rate law that is consistent with the proposed mechanism? a. rate = k[NO2][CO]...
Please help with this sheet answer with thorough steps! A plot of the reciprocal concentration of...
Please help with this sheet answer with thorough steps!
A plot of the reciprocal concentration of chemical A versus time yielded a straight line with a slope of 0.25 M^-1s^-1. What is the order of the reaction with respect to chemical A. Determine the value of the rate constant (including units) The mole fraction of water in a solution is 0.80. If the vapor pressure of pure water at 25 degree C is 23.8 mm Hg, what is the partial...
Please answer each part with work shown. Thank you. 6. The following three mechanisms have been proposed for a particular reaction. Mechanism II Mechanism III Mechanisml H2 +NO-H2O+N (slow) N +...
Please answer each part with work shown. Thank you.
6. The following three mechanisms have been proposed for a particular reaction. Mechanism II Mechanism III Mechanisml H2 +NO-H2O+N (slow) N +NON2+0 (fast) O+H2-> H2O (fast) 2 NO-N202 (fast equilibrium) H2-N202-H20+ N3O (slow) H2+N20-H2O+N2 (fast) H2 + 2 NO- H2O+N2O (slow) N20+ H2N2+ H2O (fast) a) What is the overall reaction that each proposed mechanism supports? b) Calculate the ΔΗ'm for the overall reaction. c) For each mechanism, draw an energy...
The rate law of a reaction is rate =k[X]³. The units of the rate constant are
1)The rate law of a reaction is rate =k[X]³. The units of the rate constant areL mol-1 s-1mol² L-2 s-1mol L-1S-2L² mol-2 s-1mol L-1S-12)Given the following rate law, how does the rate of reaction change if the concentration of Z is tripled? Rate =k[X]³[Y]²[Z]⁰The rate of reaction will increase by a factor of136803)What data should be plotted to show that experimental concentration data fits a first-order reaction?1 / [reactant] vs. time[reactant] vs. timeln (k) vs. Ealn (k) vs. 1 / Tln [...
Can you please answer the following questions? The rate constant, k for the reaction below A...
Can you please answer the following questions?
The rate constant, k for the reaction below A - Products is 2.8 x 10 sat 80°C. If the initial concentration of A is 0.25M, what is the concentration after 50 s? The oxidation reaction of thallium (I) by cerium (IV) is believed to occur via three steps. The rate low for the reaction is: rate = k[Ce [Mn2") ce". Mne - Cen ! ce". Mn. Cell. Mn TI". Mn* - TI. Mn?...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03 → No, (fast) NOs + NOs → N20s + 5/202 (slow) Mechanism 2 NO2 + 03 → NO3 + 02 (slow) No, + NO2 → N20s (fast) If the reaction rate law is found to be: rate = k[NO21 Which mechanism is consistent with this rate law (1 or 2) What is/are the intermediate/s for Mechanism 1? What is/are the intermediate/s for Mechanism 2?...
The rate law for the reaction 2NO2 + O3 → N2O5 + O2 is rate =...
The rate law for the reaction 2NO2 + O3 → N2O5 + O2 is rate = k[NO2][O3]. Which one of the following mechanisms is consistent with this rate law? A) NO2 + NO2 → N2O4 (fast) N2O4 + O3 → N2O5 + O2 (slow) B) NO2 + O3 → NO5 (fast) NO5 + NO5 → N2O5 + 5/2O2 (slow) C) NO2 + O3 → NO3 + O2 (slow) NO3 + NO2 → N2O5 (fast) D) NO2 + NO2 → N2O2...
1. The rate constant for a certain reaction is k = 7.10×10−3 s−1 . If the...
1. The rate constant for a certain reaction is k = 7.10×10−3 s−1 . If the initial reactant concentration was 0.350 mol L−1, what will the concentration be after 19.0 minutes? 2. A zero-order reaction has a constant rate of 3.70×10−4 mol L−1 s−1. If after 40.0 seconds the concentration has dropped to 9.00×10−2 mol L−1, what was the initial concentration?
The rate equation for the reaction 2NO(g) + Br_2(g) rightgarrow 2NOBr(g) was determined experimentally to be: Rate = k[NO]^2 [Br_2] Five possible mechanisms have been proposed (i)-(v). Determine the rate equation for each mechanism below and then decide with reasons, (based on the information given) which mechanism is the most likely. (i) 2NO (g) + Br_2 (g) rightarrow 2NOBr (g) (ii)NO (g) + Br_2 rightwardsharpoonoverleftwardsharpoon NOBr_2 (g) NOBr_2 (g) + NO (g) rightarrow 2NOBr (g) (iii) Br_2 rightwardsharpoonoverleftwardsharpoon Br +...
e . b. (- R 0.3 14 J/ k -mol) 6.4×10-4 M.'si c. 2.1 x 103 M's d. 3.6×10-3 Migl e. 2.5x 1026M''s 23. Nitrogen dioxide reacts with carbon monoxide to produce nitrogen monoxide NO2(g) + CO(g) → NO(g) + CO2(g) A proposed mechanism for this reaction is 2 NO2(g) → NO2(g) + NO(g) (fast, equilibrium) N03(g) + CO(g) → NO2(g) + CO2(g) (slow) What is a rate law that is consistent with the proposed mechanism? a. rate = k[NO2][CO]...
Please help with this sheet answer with thorough steps!
A plot of the reciprocal concentration of chemical A versus time yielded a straight line with a slope of 0.25 M^-1s^-1. What is the order of the reaction with respect to chemical A. Determine the value of the rate constant (including units) The mole fraction of water in a solution is 0.80. If the vapor pressure of pure water at 25 degree C is 23.8 mm Hg, what is the partial...
Please answer each part with work shown. Thank you.
6. The following three mechanisms have been proposed for a particular reaction. Mechanism II Mechanism III Mechanisml H2 +NO-H2O+N (slow) N +NON2+0 (fast) O+H2-> H2O (fast) 2 NO-N202 (fast equilibrium) H2-N202-H20+ N3O (slow) H2+N20-H2O+N2 (fast) H2 + 2 NO- H2O+N2O (slow) N20+ H2N2+ H2O (fast) a) What is the overall reaction that each proposed mechanism supports? b) Calculate the ΔΗ'm for the overall reaction. c) For each mechanism, draw an energy...
Can you please answer the following questions?
The rate constant, k for the reaction below A - Products is 2.8 x 10 sat 80°C. If the initial concentration of A is 0.25M, what is the concentration after 50 s? The oxidation reaction of thallium (I) by cerium (IV) is believed to occur via three steps. The rate low for the reaction is: rate = k[Ce [Mn2") ce". Mne - Cen ! ce". Mn. Cell. Mn TI". Mn* - TI. Mn?...
11. Below are 2 possible reaction mechanisms (pathways) for the reaction Mechanism 1 No, + 03 → No, (fast) NOs + NOs → N20s + 5/202 (slow) Mechanism 2 NO2 + 03 → NO3 + 02 (slow) No, + NO2 → N20s (fast) If the reaction rate law is found to be: rate = k[NO21 Which mechanism is consistent with this rate law (1 or 2) What is/are the intermediate/s for Mechanism 1? What is/are the intermediate/s for Mechanism 2?...
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