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![Que: 6 Ans: - first order reaction 45%complete so 55%incomplete. here we take initial concentraion[R] = 100 M therefore final](http://img.homeworklib.com/questions/9579cbe0-d7b9-11eb-836d-8180876c0450.png?x-oss-process=image/resize,w_560)
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6. A first-order reaction is 45% complete at the end of 35 minutes. What is the...
13. (10 points) Answer the following questions regarding the chemical kinetics of a hypothetical reaction using...
13. (10 points) Answer the following questions regarding the chemical kinetics of a hypothetical reaction using the plot provided below. 140 120 100 ее 60 t . ' 40 20 0 Reaction Progress a. Estimate the activation energy for the forward reaction. b. Estimate the activation energy for the reverse reaction. c. Estimate the overall change in energy for the reaction. d. Is the reaction endothermic or exothermic? Draw on the plot what the reaction progress might look like if...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration of the reactant to decrease to 25% of its initial value, what is the value for rate constant (in S-1) for the reaction? A) 2.0-104 s-1 B)9.6 x 10-4 s-1 C) 1.2 × 10-2 s-1 D)5.8 102s-1 12. In the first order reaction A → products, [A1-0.400 M initially and 0250 M after 15.0 mun, what willl after 175 min? e A) 1.67-10-3 M...
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?...
I obviously have no clue what is goin on please help. 2. (25 pts) The Reaction...
I
obviously have no clue what is goin on please help.
2. (25 pts) The Reaction Profile (2a) Sketch a reaction profile diagram (Energy vs. Reaction Path plot) for an exothermic reaction, and locate on the diagram: reactant(s) product(s), intermediate, activation energy. reaction enthalpy, and an activated complex (transition state). Achat sy Proo React (2b) What effect would a catalyst have on the diagram? Increase ran enthalpy. (2c) What effect would a catalyst have on the rate constant for the...
3. Look at Figure 16.22 (p.727), the reaction energy diagrams for the two step reactions of...
3. Look at Figure 16.22 (p.727), the reaction energy diagrams for the two step reactions of a) NO, and F, and b) NO and O2 Write down the mechanisms for both reactions, and these mechanisms based on the corresponding reaction energy diagrams. IMG_0338.jpg v Q Search Depicting a Multistep Mechanism with a Reaction Energy Diagram Figu re 16.22 shows reaction energy diagrams for two reactions, each of which has a two-step mechanism, shown below the diagram. The reaction of NO,...
Model 1 - Potential Energy Diagrams 1) The energy (enthalpy) change of a reaction can be...
Model 1 - Potential Energy Diagrams 1) The energy (enthalpy) change of a reaction can be determined by the following expression: Activated Complex Transition State AH = Energy products - Energy reactants Activation Energy, E Reactants Consider the energy change for the reaction in Model 1 (the graph to the left). Potential Energy (kJ/mol) Energy change (AH) Products a) The energy change shown is (positive/negative). b) This reaction is (endothermic / exothermic). c) These (reactants / transition state) has more...
6 The decomposition of ozone in the upper atmosphere is catalyzed by NO. The overall reaction...
6 The decomposition of ozone in the upper atmosphere is catalyzed by NO. The overall reaction and rate law are: rate k[O][NO] Os(g)+O(g)+20;(g); Write a possible mechanism that is consistent with rate law and identify an intermediate in the reaction. 7. A possible mechanism for the iodide ion catalyzed decomposition of hydrogen peroxide in aqueous solution is: -slow H2O:(aq) +I(aq)H;O(1) + 0I°(aq) -fast H20:(aq) +Or(aq)H:O()) +02(g)+l'(aq) What is: iv) the catalyst? iv) the intermediate ii) the rate law i) the...
1. Write a rate law from the image below: TRANSITION STATES Ea(step 2) Ea(step 1) slow...
1. Write a rate law from the image below: TRANSITION STATES Ea(step 2) Ea(step 1) slow fast Potential energy NO2F+ F+NO2 2NO2 + F2 REACTANTS ΔΗ 'nxn <0 2NO2F PRODUCT Reaction progress A. Rate = k [NO2] B. Rate = k [NO2][F2] C. Rate = k [NO212[F2] 2. What is the overall reaction? A. 2 NO2 + F2 → 2 NO2F B. NO2 + F2 → NO2F +F + NO2 C. NO2 + F2 → 2 NO2F 3. Write out...
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?...
2. Given the reaction coordinate diagram below, answer the following questions: Free energy Progress of the...
2. Given the reaction coordinate diagram below, answer the following questions: Free energy Progress of the reaction a) How many intermediates are formed in the reaction? b) Which letter(s) represent(s) a transition state? c) What is the fastest step in the reaction? d) Which is more stable: A or G? e) Does A or E form faster from C? f) Which is the most stable intermediate? g) What is the reactant of the rate-determining step? h) is the first step...
13. (10 points) Answer the following questions regarding the chemical kinetics of a hypothetical reaction using the plot provided below. 140 120 100 ее 60 t . ' 40 20 0 Reaction Progress a. Estimate the activation energy for the forward reaction. b. Estimate the activation energy for the reverse reaction. c. Estimate the overall change in energy for the reaction. d. Is the reaction endothermic or exothermic? Draw on the plot what the reaction progress might look like if...
d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration of the reactant to decrease to 25% of its initial value, what is the value for rate constant (in S-1) for the reaction? A) 2.0-104 s-1 B)9.6 x 10-4 s-1 C) 1.2 × 10-2 s-1 D)5.8 102s-1 12. In the first order reaction A → products, [A1-0.400 M initially and 0250 M after 15.0 mun, what willl after 175 min? e A) 1.67-10-3 M...
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?...
I
obviously have no clue what is goin on please help.
2. (25 pts) The Reaction Profile (2a) Sketch a reaction profile diagram (Energy vs. Reaction Path plot) for an exothermic reaction, and locate on the diagram: reactant(s) product(s), intermediate, activation energy. reaction enthalpy, and an activated complex (transition state). Achat sy Proo React (2b) What effect would a catalyst have on the diagram? Increase ran enthalpy. (2c) What effect would a catalyst have on the rate constant for the...
3. Look at Figure 16.22 (p.727), the reaction energy diagrams for the two step reactions of a) NO, and F, and b) NO and O2 Write down the mechanisms for both reactions, and these mechanisms based on the corresponding reaction energy diagrams. IMG_0338.jpg v Q Search Depicting a Multistep Mechanism with a Reaction Energy Diagram Figu re 16.22 shows reaction energy diagrams for two reactions, each of which has a two-step mechanism, shown below the diagram. The reaction of NO,...
Model 1 - Potential Energy Diagrams 1) The energy (enthalpy) change of a reaction can be determined by the following expression: Activated Complex Transition State AH = Energy products - Energy reactants Activation Energy, E Reactants Consider the energy change for the reaction in Model 1 (the graph to the left). Potential Energy (kJ/mol) Energy change (AH) Products a) The energy change shown is (positive/negative). b) This reaction is (endothermic / exothermic). c) These (reactants / transition state) has more...
6 The decomposition of ozone in the upper atmosphere is catalyzed by NO. The overall reaction and rate law are: rate k[O][NO] Os(g)+O(g)+20;(g); Write a possible mechanism that is consistent with rate law and identify an intermediate in the reaction. 7. A possible mechanism for the iodide ion catalyzed decomposition of hydrogen peroxide in aqueous solution is: -slow H2O:(aq) +I(aq)H;O(1) + 0I°(aq) -fast H20:(aq) +Or(aq)H:O()) +02(g)+l'(aq) What is: iv) the catalyst? iv) the intermediate ii) the rate law i) the...
1. Write a rate law from the image below: TRANSITION STATES Ea(step 2) Ea(step 1) slow fast Potential energy NO2F+ F+NO2 2NO2 + F2 REACTANTS ΔΗ 'nxn <0 2NO2F PRODUCT Reaction progress A. Rate = k [NO2] B. Rate = k [NO2][F2] C. Rate = k [NO212[F2] 2. What is the overall reaction? A. 2 NO2 + F2 → 2 NO2F B. NO2 + F2 → NO2F +F + NO2 C. NO2 + F2 → 2 NO2F 3. Write out...
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?...
2. Given the reaction coordinate diagram below, answer the following questions: Free energy Progress of the reaction a) How many intermediates are formed in the reaction? b) Which letter(s) represent(s) a transition state? c) What is the fastest step in the reaction? d) Which is more stable: A or G? e) Does A or E form faster from C? f) Which is the most stable intermediate? g) What is the reactant of the rate-determining step? h) is the first step...
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