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![Given Reaction A+B - 20 Mechanism - Ata I TB ka, 20 Rate of the reaction = K2[1] [B] Now apply steady state approximation ag](http://img.homeworklib.com/questions/06e10d60-70f1-11ea-a979-c1ae02ea9816.png?x-oss-process=image/resize,w_560)
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4. The mechanism suggested for the reaction, 2 A + B +20 A+ AL I +...
Consider the reaction mechanism: k A+B= X k-1 X+A_K2C+D Using the steady-state approximation, show that an...
Consider the reaction mechanism: k A+B= X k-1 X+A_K2C+D Using the steady-state approximation, show that an effective rate equation for [C] is rate=d[C]/dt = -keff[A] [B]. What is keff in terms of ki, k-1, k2, [A], and [B]? A kzkz[A][B]/(k-1[B]+k2) B kık2[B]/(k-1[B]+k2) C kzkz/(k-1+k2[A]) D kık2/k-1 E ki
2.4 Using the steady state approximation derive the rate expression for the formation of C in the reaction 2A + B (g...
2.4 Using the steady state approximation derive the rate expression for the formation of C in the reaction 2A + B (g) → 2C(9) on the basis of the following proposed mechanism ki ZA K-1 X + B K2 20 To what expression does the rate expression reduce if the second reaction is slow, the initial equilibrium established very rapidly. (8)
Below is a mechanism for the reaction A+B- P 5. 2A ? A+C rate constant kl...
Below is a mechanism for the reaction A+B- P 5. 2A ? A+C rate constant kl AtC 2A rate constant k B+C Prate constant k2 In this mechanism, C is an intermediate. nd the steady state approximation if necessary, determine the rate law for the reaction. (B) Under what conditions does the rate law become first order in [AJ? (C) Under what conditions does the rate not depend on [B]?
* For the reaction A → Y + Z, the suggested mechanism is A + A...
* For the reaction A → Y + Z, the suggested mechanism is A + A + A 1 ks Y + 2 What is the order of the reaction when [A] is very small? Q7. A possible mechanism for the overall reaction, OH + NO, → HNO3 in the presence of N, is: OH + No, _* , (HO... NO,)" (HO.NO, K-L, OH + NO, (HO...NO)" + N, _k2_, HNO+ N, Apply the steady state approximation to the mechanism,...
The catalytic reaction A+C D , can be adequately described by the following mechanism: A B...
The catalytic reaction A+C D , can be adequately described by the following mechanism: A B (with ki = forward rate constant, k-1 = backward rate constant) B+C D (with rate constant k) Use the quazi (pseudo) steady state approach to find the rate of formation of D. Consider the following liquid phase catalytic reaction: A+B → C. The reaction has been found to follow the mechanism: A+D AD (very fast) AD +BBAD BAD→D+C (very fast) The rate of reaction...
The reaction 2A + B → C occurs by the following 2 step mechanism: A +...
The reaction 2A + B → C occurs by the following 2 step mechanism: A + B ------(k1)------> AB AB ------(-k1) ------> A+B AB + A ----- (k2)------> C Apply the steady-state approximation for the reaction intermediate concentration to obtain the overall rate law from this mechanism: a) k1 [A][B] b) k1k2[A][B]/((-k1) - k2[A]) c) k1k2[A]^2[B]/((-k1)+k2[A])
- For the reaction 2NO + O2 + 2NO the following reaction mechanism have been suggested;...
- For the reaction 2NO + O2 + 2NO the following reaction mechanism have been suggested; steps: NO + NON2O2 Fast step 2: N2O2 + O2 k2 2NO Slow and the apparent rate law was found to be R = kerr [NO] What would be the estimated effective activation energy, El. value, if the activation energies for forward and backward reactions in step 1 are 82 kJ mol" and 205 kJ moll, respectively, and the activation energy of step 2...
19. For the reaction 2NO + O2 + 2NO2 the following reaction mechanism have been suggested;...
19. For the reaction 2NO + O2 + 2NO2 the following reaction mechanism have been suggested; step1: NO + NO NZOZ Fast step 2: N2O2 + O2 k2, 2NO2 Slow and the apparent rate law was found to be R = kes [NO]? What would be the estimated effective activation energy, Eel, value, if the activation energies for forward and backward reactions in step 1 are 82 kJ mol- and 205 kJ mol', respectively, and the activation energy of step...
Q.4 (10 points) The following mechanism has been suggested to explain how first order reactions occur....
Q.4 (10 points) The following mechanism has been suggested to explain how first order reactions occur. The M indicates any molecule and A* indicates an activated reactant molecule: A + M A * +M A B+C The corresponding rate law is: dB kik3[A][M] dt - k2[M]+k3 Use the steady state approximation on [A") to show that the mechanism agrees with the given rate law. Since you have the answer, make sure to show all your steps.
Physical Chemistry II 2. Hydrogen iodide can be synthesized from the elements in a gas-phase reaction....
Physical Chemistry II
2. Hydrogen iodide can be synthesized from the elements in a gas-phase reaction. One proposed mechanism for the process is (20 pts) 1, 21(1" order) and E= 320kJ/mol ki k 21—1, (20 order) and E, = 440kJ/mol 21+H, → 2HI (36d order) and E, = 210kJ/mol Derive a differential rate law for the rate of production of HI if a) 1, and I are in equilibrium throughout the reaction (Rapid Equilibrium) b) Derive the differential rate law...
Consider the reaction mechanism: k A+B= X k-1 X+A_K2C+D Using the steady-state approximation, show that an effective rate equation for [C] is rate=d[C]/dt = -keff[A] [B]. What is keff in terms of ki, k-1, k2, [A], and [B]? A kzkz[A][B]/(k-1[B]+k2) B kık2[B]/(k-1[B]+k2) C kzkz/(k-1+k2[A]) D kık2/k-1 E ki
2.4 Using the steady state approximation derive the rate expression for the formation of C in the reaction 2A + B (g) → 2C(9) on the basis of the following proposed mechanism ki ZA K-1 X + B K2 20 To what expression does the rate expression reduce if the second reaction is slow, the initial equilibrium established very rapidly. (8)
Below is a mechanism for the reaction A+B- P 5. 2A ? A+C rate constant kl AtC 2A rate constant k B+C Prate constant k2 In this mechanism, C is an intermediate. nd the steady state approximation if necessary, determine the rate law for the reaction. (B) Under what conditions does the rate law become first order in [AJ? (C) Under what conditions does the rate not depend on [B]?
* For the reaction A → Y + Z, the suggested mechanism is A + A + A 1 ks Y + 2 What is the order of the reaction when [A] is very small? Q7. A possible mechanism for the overall reaction, OH + NO, → HNO3 in the presence of N, is: OH + No, _* , (HO... NO,)" (HO.NO, K-L, OH + NO, (HO...NO)" + N, _k2_, HNO+ N, Apply the steady state approximation to the mechanism,...
The catalytic reaction A+C D , can be adequately described by the following mechanism: A B (with ki = forward rate constant, k-1 = backward rate constant) B+C D (with rate constant k) Use the quazi (pseudo) steady state approach to find the rate of formation of D. Consider the following liquid phase catalytic reaction: A+B → C. The reaction has been found to follow the mechanism: A+D AD (very fast) AD +BBAD BAD→D+C (very fast) The rate of reaction...
- For the reaction 2NO + O2 + 2NO the following reaction mechanism have been suggested; steps: NO + NON2O2 Fast step 2: N2O2 + O2 k2 2NO Slow and the apparent rate law was found to be R = kerr [NO] What would be the estimated effective activation energy, El. value, if the activation energies for forward and backward reactions in step 1 are 82 kJ mol" and 205 kJ moll, respectively, and the activation energy of step 2...
19. For the reaction 2NO + O2 + 2NO2 the following reaction mechanism have been suggested; step1: NO + NO NZOZ Fast step 2: N2O2 + O2 k2, 2NO2 Slow and the apparent rate law was found to be R = kes [NO]? What would be the estimated effective activation energy, Eel, value, if the activation energies for forward and backward reactions in step 1 are 82 kJ mol- and 205 kJ mol', respectively, and the activation energy of step...
Q.4 (10 points) The following mechanism has been suggested to explain how first order reactions occur. The M indicates any molecule and A* indicates an activated reactant molecule: A + M A * +M A B+C The corresponding rate law is: dB kik3[A][M] dt - k2[M]+k3 Use the steady state approximation on [A") to show that the mechanism agrees with the given rate law. Since you have the answer, make sure to show all your steps.
Physical Chemistry II
2. Hydrogen iodide can be synthesized from the elements in a gas-phase reaction. One proposed mechanism for the process is (20 pts) 1, 21(1" order) and E= 320kJ/mol ki k 21—1, (20 order) and E, = 440kJ/mol 21+H, → 2HI (36d order) and E, = 210kJ/mol Derive a differential rate law for the rate of production of HI if a) 1, and I are in equilibrium throughout the reaction (Rapid Equilibrium) b) Derive the differential rate law...
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