What is the rate of reaction of ammonia and the mechanism?? Reaction rate expression, and who...
What is the rate of reaction of ammonia and the mechanism?? Reaction rate expression, and who was the scientist who developed it.
Homework Answers
The manufacture of ammonia is called as Haber's process.
The process was discovered by German chemists fritz Haber and Carl Bosch , on which the name of the process was kept .
The reaction is ,
N2 + 3H2 ---> 2NH3
Delta H = -45.8 KJ / mol
The process combines nitrogen and hydrogen to form ammonia .
Fe/ KOH is used as catalyst and promoter to increase the yield of ammonia .
Though the reaction is exothermic , so favoured on low temperatures , but the product yield is very poor at very low temperatures ,thus catalyst is used.
High pressure of as musc as 200 atm is used .
The equillibrium constant kp for the reaction at 450 degree celcius is given as
kp = [NH3]2 / [N2] [H2]3 = 4.51 x 10-5
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What is the rate of reaction of ammonia and the mechanism??
Reaction rate expression, and who...
Considering the rate law expression for decomposition, if the concentration of ammonia was increased 4 fold...
Considering the rate law expression for decomposition, if the concentration of ammonia was increased 4 fold (4 times), how many times will the reaction rate increase or decrease? Consider the rate law expression for synthesis and presume the concentration of H2 to be constant. If the concentration of nitrogen was increased 2 fold (2 times), how many times will the reaction rate increase or decrease?
Write the equilibrium constant expression for the reaction of nitrogen and hydrogen to give ammonia, NH3....
Write the equilibrium constant expression for the reaction of nitrogen and hydrogen to give ammonia, NH3. Express your answer in terms of concentrations [N2], [H2], and [NH3].
help needed on all 7. Consider the mechanism. What is the rate expression for the following...
help needed on all
7. Consider the mechanism. What is the rate expression for the following equation? 7.1.H2(g) + b (g) → 2 HI(g) Mechanism (g) 21 (g) (fast) H2(g) + 21 (g) → 2 HI(g) (slow) 7.2.H2(g) + b (g) → 2 H (9) Mechanism IHITHIS MECHANISM IS DIFFERENT 12(g) = 21 (g) (slow) H2(g) + 2(g) → 2 HI(g) (fast)
2. Consider this two step mechanism for a reaction… Step 1 NO2 + O3 --> NO3 ...
2. Consider this two step mechanism for a reaction… Step 1 NO2 + O3 --> NO3 + O2 slow; rate determining step Step 2 NO3 + NO2 --> N2O5 fast a. What is the overall reaction? b. Identify the intermediates in the mechanism. c. Write the rate law expression for each step of the mechanism including any reversible reactions. c. What is the predicted rate law expression? Be sure to only list reactants from the overall equation and not intermediates...
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)
7. The reaction of acetic acid with ammonia is very rapid (it is an acid-reaction, after...
7. The reaction of acetic acid with ammonia is very rapid (it is an acid-reaction, after all) and follows the simple rate law shown in the following equation. Purpose a mechanism that is consistent with this rate law. Show curly arrows for both forward and reverse reaction. rate = k/H,C-C-0-H) NHS
Complete the mechanism for the reaction of excess ammonia with 1-chloro-2-methylbutane by adding any missing atoms,...
Complete the mechanism for the reaction of excess ammonia with
1-chloro-2-methylbutane by adding any missing atoms, bonds,
charges, nonbonding electrons and curved arrows.
4. LIST THE COMPONENTS or MECHANISMS for PROTEIN REGULATION: Name of mechanism Who or what mediates...
4. LIST THE COMPONENTS or MECHANISMS for PROTEIN REGULATION: Name of mechanism Who or what mediates the mechanism Specific target of What is the the mechanism outcome of the mechanism How is gene expression altered
This thermochemical expression is for the reaction of nitrogen(g) with hydrogen(g) to form ammonia(g). N2(g) +...
This thermochemical expression is for the reaction of nitrogen(g) with hydrogen(g) to form ammonia(g). N2(g) + 3H2(g)2NH3(g) ΔrH = -92.2 kJ mol-1 Calculate the mass of N2(g) that must react to transfer 21.9 kJ to the surrounding in grams.
What is the rate expression for the reaction of liquid phase C9H10 with air given that...
What is the rate expression for the reaction of liquid phase C9H10 with air given that the reaction is first order? C9H10 + O2 →C9H8O + H2O
help needed on all
7. Consider the mechanism. What is the rate expression for the following equation? 7.1.H2(g) + b (g) → 2 HI(g) Mechanism (g) 21 (g) (fast) H2(g) + 21 (g) → 2 HI(g) (slow) 7.2.H2(g) + b (g) → 2 H (9) Mechanism IHITHIS MECHANISM IS DIFFERENT 12(g) = 21 (g) (slow) H2(g) + 2(g) → 2 HI(g) (fast)
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)
7. The reaction of acetic acid with ammonia is very rapid (it is an acid-reaction, after all) and follows the simple rate law shown in the following equation. Purpose a mechanism that is consistent with this rate law. Show curly arrows for both forward and reverse reaction. rate = k/H,C-C-0-H) NHS
Complete the mechanism for the reaction of excess ammonia with
1-chloro-2-methylbutane by adding any missing atoms, bonds,
charges, nonbonding electrons and curved arrows.
4. LIST THE COMPONENTS or MECHANISMS for PROTEIN REGULATION: Name of mechanism Who or what mediates the mechanism Specific target of What is the the mechanism outcome of the mechanism How is gene expression altered
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