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Question: The gas phase reversible reaction M +N = Q + P over a catalyst followed...
QUESTION 2: 20 marks 20 points Kinetic studies on a solid-catalyzed reversible gas phase reaction, A...
QUESTION 2: 20 marks 20 points Kinetic studies on a solid-catalyzed reversible gas phase reaction, A B+C yielded the following rate law shown in Equation 1, which is a function of partial pressures of A, B and C i.e. PA, PB and PC from the experimental observations, a) Propose a dual-site mechanism which is consistent with the rate law given above, using the standard guidelines (8 marks) b) Making use of the proposed mechanism, derive a rate law. Compare with...
advanced CRE subject step by step solution QUESTION 2: 20 marks 20 points Kinetic studies on...
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step by step solution
QUESTION 2: 20 marks 20 points Kinetic studies on a solid-catalyzed reversible gas phase reaction, A B+C yielded the following rate law shown in Equation 1, which is a function of partial pressures of A, B and Ci.e. PA, PB and PC from the experimental observations, a) Propose a dual-site mechanism which is consistent with the rate law given above, using the standard guidelines (8 marks) b) Making use of the proposed mechanism,...
The gas phase hydrogenation of propanaldehyde was studied over a nickel catalyst at 150°C according to...
The gas phase hydrogenation of propanaldehyde was studied over a
nickel catalyst at 150°C according to
CH3CH2CHO + H2 = CH3CH3CH(OH)
At low conversions the reaction rate can be expressed as
Partial pressures: Pp = propanaldehyde, Ph = hydrogen, Pa =
propyl alcohol
You may assume that (i) hydrogen adsorbs dissociatively and (ii)
the overall reaction is irreversible. It is suggested that the rate
limiting step is the chemisorption of propionaldehyde. Using
Langmuir-Hinshelwood (Hougen-Watson) approaches show that this is
consistent...
1. The conversion of P to Q is an important cellular reaction. The reaction is reversible....
1. The conversion of P to Q is an important cellular reaction. The reaction is reversible. product The equilibrium constant (K'ea) is: Pleq ct ant Suppose [P]pr-3 M and [Q]pr-10 M. LP 3.33 a. In words, what does a K'eq of 0.2 mean? t means that at equilibrium Peq has 5 tmes the concentration of [G]eq b. Given these prevailing conditions, what is the sign of AG' for the forward reaction (P-Q)? Show your work or briefly justify your response....
A mechanism for the gas phase reaction of fluorine with chlorine dioxide that is consistent with...
A mechanism for the gas phase reaction of fluorine with chlorine dioxide that is consistent with the observed rate law is: step slow: F2+CIO, FCIO, + F step 2 fast: F+CIO, FCIO, (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a catalyst? Enter formula. If none, leave box blank (3) Which species acts as a reaction intermediate? Enter formula....
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2...
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? (Choose from the list below and enter your answers in alphabetical order, e.g. ABC ). A)k G) [CHCl3]1/2 M) [CCl3]2 B) [Cl2] H) [CCl3]1/2 N) [HCl]2 C) [Cl] I) [HCl]1/2 O) [Cl2]2 D) [CHCl3] J) [Cl2]1/2 P) [Cl]2 E)...
A proposed mechanism for the gas phase reaction between nitrogen monoxide and oxygen is as follows:...
A proposed mechanism for the gas phase reaction between
nitrogen monoxide and oxygen is as follows:
..... step 1 ..... fast:
...... NO + O2NO3
..... step 2 ..... slow:
.... NO3 + NO 2
NO2
(1) What is the equation for the overall reaction?
Use the smallest integer coefficients possible. If a box is not
needed, leave it blank.
+
+
(2)
Which species acts as a catalyst? Enter formula. If none, leave
box blank:
(3)
Which species...
A mechanism for the gas phase reaction of fluorine with chlorine dioxide that is consistent with...
A mechanism for the gas phase reaction of fluorine with chlorine dioxide that is consistent with the observed rate law is: step 1 slow: Fz+CIO, step 2 fast: F+CIO, FCIO, +F FCIO, (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a catalyst? Enter formula. If none, leave box blank: (3) Which species acts as a reaction intermediate? Enter formula....
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2...
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine. Cl2 ⇌ 2Cl (fast, reversible) Cl + CHCl3 → HCl + CCl3 (slow) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? (Choose from the list below and enter your answers in alphabetical order, e.g. ABC ). A)k G) [Cl2]1/2 M) [CHCl3]2 B) [CCl3] H) [Cl]1/2 N) [CCl3]2 C) [HCl] I) [CHCl3]1/2 O) [HCl]2 D) [Cl2] J) [CCl3]1/2 P) [Cl2]2 E)...
All questions are true or false A catalyst changes both the equilibrium constant and the rate...
All
questions are true or false
A catalyst changes both the equilibrium constant and the rate of a chemical equilibrium. j. Ifthe temperature of a chemical equilibrium is increased, the reaction will shift in a direction that will lead to the consumption of some of the extra heat. An increase in temperature favors an endothermic reaction over an exothermic reaction. k. nundifis Is ined If a chemical equilibrium is exothermic in the forward direction, it is also exothermic in the...
QUESTION 2: 20 marks 20 points Kinetic studies on a solid-catalyzed reversible gas phase reaction, A B+C yielded the following rate law shown in Equation 1, which is a function of partial pressures of A, B and C i.e. PA, PB and PC from the experimental observations, a) Propose a dual-site mechanism which is consistent with the rate law given above, using the standard guidelines (8 marks) b) Making use of the proposed mechanism, derive a rate law. Compare with...
advanced CRE subject
step by step solution
QUESTION 2: 20 marks 20 points Kinetic studies on a solid-catalyzed reversible gas phase reaction, A B+C yielded the following rate law shown in Equation 1, which is a function of partial pressures of A, B and Ci.e. PA, PB and PC from the experimental observations, a) Propose a dual-site mechanism which is consistent with the rate law given above, using the standard guidelines (8 marks) b) Making use of the proposed mechanism,...
The gas phase hydrogenation of propanaldehyde was studied over a
nickel catalyst at 150°C according to
CH3CH2CHO + H2 = CH3CH3CH(OH)
At low conversions the reaction rate can be expressed as
Partial pressures: Pp = propanaldehyde, Ph = hydrogen, Pa =
propyl alcohol
You may assume that (i) hydrogen adsorbs dissociatively and (ii)
the overall reaction is irreversible. It is suggested that the rate
limiting step is the chemisorption of propionaldehyde. Using
Langmuir-Hinshelwood (Hougen-Watson) approaches show that this is
consistent...
1. The conversion of P to Q is an important cellular reaction. The reaction is reversible. product The equilibrium constant (K'ea) is: Pleq ct ant Suppose [P]pr-3 M and [Q]pr-10 M. LP 3.33 a. In words, what does a K'eq of 0.2 mean? t means that at equilibrium Peq has 5 tmes the concentration of [G]eq b. Given these prevailing conditions, what is the sign of AG' for the forward reaction (P-Q)? Show your work or briefly justify your response....
A mechanism for the gas phase reaction of fluorine with chlorine dioxide that is consistent with the observed rate law is: step slow: F2+CIO, FCIO, + F step 2 fast: F+CIO, FCIO, (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a catalyst? Enter formula. If none, leave box blank (3) Which species acts as a reaction intermediate? Enter formula....
A mechanism for the gas phase reaction of fluorine with chlorine dioxide that is consistent with the observed rate law is: step 1 slow: Fz+CIO, step 2 fast: F+CIO, FCIO, +F FCIO, (1) What is the equation for the overall reaction? Use the smallest integer coefficients possible. If a box is not needed, leave it blank. (2) Which species acts as a catalyst? Enter formula. If none, leave box blank: (3) Which species acts as a reaction intermediate? Enter formula....
All
questions are true or false
A catalyst changes both the equilibrium constant and the rate of a chemical equilibrium. j. Ifthe temperature of a chemical equilibrium is increased, the reaction will shift in a direction that will lead to the consumption of some of the extra heat. An increase in temperature favors an endothermic reaction over an exothermic reaction. k. nundifis Is ined If a chemical equilibrium is exothermic in the forward direction, it is also exothermic in the...
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