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The rate constant for the following elementary reaction is 3.9 times 10^9 M^-2 s^-1 at 25...
Calculate the activation energy of a reaction if the rate constant at 555 K is 3.72...
Calculate the activation energy of a reaction if the rate constant at 555 K is 3.72 times 10^-5 and at 761 K it is 2.95 times 10^-3. Calculate the rate constant at 70 degree C for the reaction A + 3B rightarrow 2C given that the rate constant of the reaction is equal to 3.5 times 10^-1 M^-4 s^-1 at 95 degree C. (Ea = 142 kJ/mol)
The rate constant for the first-order decomposition of a compound A in the reaction 2A rightarrow...
The rate constant for the first-order decomposition of a compound A in the reaction 2A rightarrow P is k = 3.6 times 10^-7 s^-1 at 25 degree C. What is the half-life of A? What will be the pressure, initially 33 kPa, at 50s, 20 min after initiation of the reaction?
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...
2. a) The forward rate constant for an elementary solution-phase reaction is 100 sl, and the...
2. a) The forward rate constant for an elementary solution-phase reaction is 100 sl, and the reverse rate constant is 0.1 M's!. What is the standard Gibbs free energy change, AG", for this reaction? The temperature is 300 K. b) For the same reaction, the free energy of activation, AG , for the forward reaction is 50 kJ/mole. What is the activation free energy, AG,, for the reverse reaction? c) If the solvent is changed to one that interacts with...
The second-order reaction, 2 Mn(CO)_5 rightarrow Mn_2 (CO)_10 is found to have a rate constant equal...
The second-order reaction, 2 Mn(CO)_5 rightarrow Mn_2 (CO)_10 is found to have a rate constant equal to 512 M^-1 S^-1. If the initial concentration of Mn(CO)_5 is 0.011 M, how long will it take for the reactant concentration to reach 0.0011 M? Units: s a. 1.6 b. 5.1 c. 0.020 d. 0.28 A plot of a 1/[A] versus time gave a straight line. This indicates that A rightarrow B + C a. the reaction is zero order in reagent A...
Suppose the reaction between nitric oxide and oxygen proceeds by the following mechanism: rate constant elementary...
Suppose the reaction between nitric oxide and oxygen proceeds by the following mechanism: rate constant elementary reaction step NO(g)+ 02(g) NO2(9) 0(g) 1 NO(g) O(g) NO2(9) k2 2 Suppose also k,»k,. That is, the first step is much faster than the second. 2* Write the balanced chemical equation for the overall chemical reaction: Write the experimentally observable rate law for the overall chemical reaction rate k Note: your answer should not contain the concentrations of any intermediates. Express the rate...
Given rms speed, c = (3 RT/M)^1/2 Determine the temperature and pressure of 3.01 times 10^23...
Given rms speed, c = (3 RT/M)^1/2 Determine the temperature and pressure of 3.01 times 10^23 gas molecules, each with a mass of 6.64 times 10^-26 kg, in a 5 times 10^-3 m^3 container if the rms speed is 560 m/s. These molecules are distributed in 2 states with energies of 0 and 5 epsilon (epsilon =1.381 times 10^-21 J). There is no degeneracy for the first level. The second level is doubly degenerated. Calculate number of molecules in each...
8. Consider the reaction: A → B The rate of the reaction is 1.6 × 10−2 M/s when the concentration of A is 0.35 M. Calcul...
8. Consider the reaction: A → B The rate of the reaction is 1.6 × 10−2 M/s when the concentration of A is 0.35 M. Calculate the rate constant if the reaction is first order in A. Enter only the numerical value for the rate constant in the answer box. 9. The reaction 2A → B is second order with a rate constant of 51.0/M·min at 24°C. (a) Starting with [A]0 = 9.50 × 10−3M, how long will it take...
The rate constant for a certain reaction is k = 9.00 times 10^-3 s^-1. If the...
The rate constant for a certain reaction is k = 9.00 times 10^-3 s^-1. If the initial reactant concentration was 0 800 M, what will the concentration be after 4 00 m minutes? Express your answer with the appropriate units A zero order reaction has a constant rate of 2.10 times 10^-4 M/s. If after 65.0 seconds the concentrator has dropped to 2.00 times 10^-2 M, what was the initial concentration?
[A] (2) Consider this reaction: 2A + 2B → 2C+D (2.5 pts) [B] Initial Rate(M/s) (a)...
[A] (2) Consider this reaction: 2A + 2B → 2C+D (2.5 pts) [B] Initial Rate(M/s) (a) Write the rate law for this reaction 0.400 0.0100 5.90 x 10-6 (6) Calculate the rate constant. Include Units. 0.400 0.0400 9.44 x 105 (c) Is the reaction in an elementary reaction? Explain 0.400 0.0800 3.78 x 10-4 your answer in a sentence. 0.800 0.0600 2.12 x 10-4 (3) Here is a reaction: A products (1.5 pt) 0.800 0.0400 9.44 x 10-5 (3a) How...
Calculate the activation energy of a reaction if the rate constant at 555 K is 3.72 times 10^-5 and at 761 K it is 2.95 times 10^-3. Calculate the rate constant at 70 degree C for the reaction A + 3B rightarrow 2C given that the rate constant of the reaction is equal to 3.5 times 10^-1 M^-4 s^-1 at 95 degree C. (Ea = 142 kJ/mol)
The rate constant for the first-order decomposition of a compound A in the reaction 2A rightarrow P is k = 3.6 times 10^-7 s^-1 at 25 degree C. What is the half-life of A? What will be the pressure, initially 33 kPa, at 50s, 20 min after initiation of the reaction?
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...
2. a) The forward rate constant for an elementary solution-phase reaction is 100 sl, and the reverse rate constant is 0.1 M's!. What is the standard Gibbs free energy change, AG", for this reaction? The temperature is 300 K. b) For the same reaction, the free energy of activation, AG , for the forward reaction is 50 kJ/mole. What is the activation free energy, AG,, for the reverse reaction? c) If the solvent is changed to one that interacts with...
The second-order reaction, 2 Mn(CO)_5 rightarrow Mn_2 (CO)_10 is found to have a rate constant equal to 512 M^-1 S^-1. If the initial concentration of Mn(CO)_5 is 0.011 M, how long will it take for the reactant concentration to reach 0.0011 M? Units: s a. 1.6 b. 5.1 c. 0.020 d. 0.28 A plot of a 1/[A] versus time gave a straight line. This indicates that A rightarrow B + C a. the reaction is zero order in reagent A...
Suppose the reaction between nitric oxide and oxygen proceeds by the following mechanism: rate constant elementary reaction step NO(g)+ 02(g) NO2(9) 0(g) 1 NO(g) O(g) NO2(9) k2 2 Suppose also k,»k,. That is, the first step is much faster than the second. 2* Write the balanced chemical equation for the overall chemical reaction: Write the experimentally observable rate law for the overall chemical reaction rate k Note: your answer should not contain the concentrations of any intermediates. Express the rate...
Given rms speed, c = (3 RT/M)^1/2 Determine the temperature and pressure of 3.01 times 10^23 gas molecules, each with a mass of 6.64 times 10^-26 kg, in a 5 times 10^-3 m^3 container if the rms speed is 560 m/s. These molecules are distributed in 2 states with energies of 0 and 5 epsilon (epsilon =1.381 times 10^-21 J). There is no degeneracy for the first level. The second level is doubly degenerated. Calculate number of molecules in each...
The rate constant for a certain reaction is k = 9.00 times 10^-3 s^-1. If the initial reactant concentration was 0 800 M, what will the concentration be after 4 00 m minutes? Express your answer with the appropriate units A zero order reaction has a constant rate of 2.10 times 10^-4 M/s. If after 65.0 seconds the concentrator has dropped to 2.00 times 10^-2 M, what was the initial concentration?
[A] (2) Consider this reaction: 2A + 2B → 2C+D (2.5 pts) [B] Initial Rate(M/s) (a) Write the rate law for this reaction 0.400 0.0100 5.90 x 10-6 (6) Calculate the rate constant. Include Units. 0.400 0.0400 9.44 x 105 (c) Is the reaction in an elementary reaction? Explain 0.400 0.0800 3.78 x 10-4 your answer in a sentence. 0.800 0.0600 2.12 x 10-4 (3) Here is a reaction: A products (1.5 pt) 0.800 0.0400 9.44 x 10-5 (3a) How...
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