![4. You are carrying out an experiment on the elementary first-order decomposition reaction A B. The following data were obtained k, [s1 1.121e-8 5.212e-7 1.401e-5 2.427e-4 0.0029 k, [s1 0.390 2.686 14.042 58.883 206.410 Run Temp [oC] 27 52 2 4 102 127 a) Determine the pre-exponential factor and activation energy for each reaction (forward and backward) b) A co-worker tells you that this reaction is exothermic. Do you agree? c) Is the species A stable at room temperature? At elevated temperatures (100°C)? d) Assuming the calculated values are valid over a wide range of temperatures calculate the equilibrium composition of a 1 M solution of A at 500°C](http://img.homeworklib.com/questions/9f456b60-c2fc-11ea-9f60-afd438772067.png?x-oss-process=image/resize,w_560)
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4. You are carrying out an experiment on the elementary first-order decomposition reaction A B. The...
The first order elementary reaction: A + B + C was carried out in a constant...
The first order elementary reaction: A + B + C was carried out in a constant volume batch reactor isothermally at 328 K. The concentrations of species A, CA, were recorded as a function of time, as given in the following table. The activation energy Ea=120 kJ/mol. 0.9 6 t (min) CA (mol/dm) 0 20 0.5 17.4 1.5 12.9 2.2 10.5 4 6.2 15.5 8.3 3.5 Based on integral method: b) Process the data using the above table and the...
Ation. 7. Consider a collision-induced unimolecular decomposition reaction of the form A B+C. (a)...
ation. 7. Consider a collision-induced unimolecular decomposition reaction of the form A B+C. (a) Write down the three elementary steps in a Lindemann-Hinshelwood mechanism per- taining to such a decomposition reaction. (b) Use the steady-state approximation to obtain an expression for the rate of pro- duction of the products B and C, when the concentration of A is sufficiently high that (c) Express the rate you obtained in (b) in terms of the equilibrium constant pertain- ing to the activation...
The rate constants for the first-order decomposition of a compound are 4.97 × 10–4 s–1 at...
The rate constants for the first-order decomposition of a compound are 4.97 × 10–4 s–1 at 45 °C and 2.28 × 10–3 s–1 at 64 °C. What is the value of the activation energy for this reaction? (R = 8.3145 J/mol · K)
The following elementary gas phase reaction A+2B—>C+D Feed is A/B= 1/3 mol A/I =4/1 (mole basis)...
The
following elementary gas phase reaction
A+2B—>C+D
Feed is A/B= 1/3 mol A/I =4/1 (mole basis)
is to be carried out in an isothermal CSTR. Given that:
T=500C
P=5 atm
Ea=15500cal/gmol
A=1.5e4
K=A*exp^(-Ea/RT)
Qo= 100 L/s
Reactor volume= 20,000L
a) what are the exit molar flow rates? Fa, Fb, Fc, Fd,
Fi
b) what is the exit volumetric flow rate Q?
2. The following elementary irreversible gas-phase reaction: A+2B >C+D Is to carried out in an isothermal CSTR. Given that:...
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4...
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4 NO(g)+0.(g), k-3x10-s at 25°C. What is the half-life of N20s? What will be the pressure, initially 500 bar, at 10 min after initiation of the reaction? (b) Knowing the activation energy of the above reaction is 100 kJ mor', calculate the required reaction temperature at which the reaction rate is doubled. (c) What is the conversion efficiency of N20s at 1 bar and 25...
Compounds A and B are unstable and each decomposes by a first-order process. At 398 K,...
Compounds A and B are unstable and each decomposes by a first-order process. At 398 K, the rate constant for the decomposition of A is 3.6 X 10-5 s-1. Separate containers of A and B were prepared, with initial concentrations of 0.120 M A and 0.240 M B. After 5 hrs, it was found that the concentration of A was three times the concentration of B wwww What was the concentration of A after 5 hrs? 2) 1) What is...
An exothermic elementary reversible isomerisation reaction of A B in liquid phase is carried out adiabatically...
An exothermic elementary reversible isomerisation reaction of A B in liquid phase is carried out adiabatically in a CSTR. Pure A is fed to the reactor at a concentration of 5 mollitre and feed rate of 500 mol/min. As a researcher you need to analyze the effect of different inlet temperature to the rate of reaction. The inlet temperature is varied at 50°C, 100°C and another two inlets temperature in between 70°C to 90°C. Perform your calculation based on energy...
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate...
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate the activation energy, Eq, in kJ/mol for the reaction, given that the rate constant k (at 25 °C) = 0.00852 s 1 and k (at 50 °C) = 0.756 s 1. 231 kJ/mol 144 kJ/mol O 56.5 kJ/mol О 99.3 kJ/mol O 111 kJ/mol
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is...
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
1.) If a random reaction A + B Products is first order with respect to A...
1.) If a random reaction A + B Products is first order with respect to A and second with respect to B, how is the rate impacted when the concentration of A and B are doubled? A) It increases by a factor of 2 B) It increases by a factor of 4 C) It increases by a factor of 8 D) It decreases by a factor of 4 E) Not enough information to determine 2.) You have the following reaction:...
The first order elementary reaction: A + B + C was carried out in a constant volume batch reactor isothermally at 328 K. The concentrations of species A, CA, were recorded as a function of time, as given in the following table. The activation energy Ea=120 kJ/mol. 0.9 6 t (min) CA (mol/dm) 0 20 0.5 17.4 1.5 12.9 2.2 10.5 4 6.2 15.5 8.3 3.5 Based on integral method: b) Process the data using the above table and the...
ation. 7. Consider a collision-induced unimolecular decomposition reaction of the form A B+C. (a) Write down the three elementary steps in a Lindemann-Hinshelwood mechanism per- taining to such a decomposition reaction. (b) Use the steady-state approximation to obtain an expression for the rate of pro- duction of the products B and C, when the concentration of A is sufficiently high that (c) Express the rate you obtained in (b) in terms of the equilibrium constant pertain- ing to the activation...
The
following elementary gas phase reaction
A+2B—>C+D
Feed is A/B= 1/3 mol A/I =4/1 (mole basis)
is to be carried out in an isothermal CSTR. Given that:
T=500C
P=5 atm
Ea=15500cal/gmol
A=1.5e4
K=A*exp^(-Ea/RT)
Qo= 100 L/s
Reactor volume= 20,000L
a) what are the exit molar flow rates? Fa, Fb, Fc, Fd,
Fi
b) what is the exit volumetric flow rate Q?
2. The following elementary irreversible gas-phase reaction: A+2B >C+D Is to carried out in an isothermal CSTR. Given that:...
6. (a) The rate constant for the first-order decomposition of N2Os in the reaction, 2 N2Os(g)-4 NO(g)+0.(g), k-3x10-s at 25°C. What is the half-life of N20s? What will be the pressure, initially 500 bar, at 10 min after initiation of the reaction? (b) Knowing the activation energy of the above reaction is 100 kJ mor', calculate the required reaction temperature at which the reaction rate is doubled. (c) What is the conversion efficiency of N20s at 1 bar and 25...
Compounds A and B are unstable and each decomposes by a first-order process. At 398 K, the rate constant for the decomposition of A is 3.6 X 10-5 s-1. Separate containers of A and B were prepared, with initial concentrations of 0.120 M A and 0.240 M B. After 5 hrs, it was found that the concentration of A was three times the concentration of B wwww What was the concentration of A after 5 hrs? 2) 1) What is...
An exothermic elementary reversible isomerisation reaction of A B in liquid phase is carried out adiabatically in a CSTR. Pure A is fed to the reactor at a concentration of 5 mollitre and feed rate of 500 mol/min. As a researcher you need to analyze the effect of different inlet temperature to the rate of reaction. The inlet temperature is varied at 50°C, 100°C and another two inlets temperature in between 70°C to 90°C. Perform your calculation based on energy...
The decomposition of phosphine, PH3, follows first-order kinetics: 4 PH3(g) → P4(g) + 6 H2(g) Calculate the activation energy, Eq, in kJ/mol for the reaction, given that the rate constant k (at 25 °C) = 0.00852 s 1 and k (at 50 °C) = 0.756 s 1. 231 kJ/mol 144 kJ/mol O 56.5 kJ/mol О 99.3 kJ/mol O 111 kJ/mol
1) The rate constant for the reaction 2 N,Os(9) = 4 NO (9) + O2(9) is reported in units of sl. What is the overall order of the reaction? 2) The rate law for a reaction was reported as rate=k[A] [B][C] with molar concentrations in moles per cubic decimetre and time in seconds. What are the units of k? 3) The rate constant for the pseudo first-order acid- catalysed hydrolysis of glucose is 4.07' 10-s. Calculate the half-life for the...
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