Consider the following initial rate data (at 299 k) for thé decomposition of a substrate (substra...
The rate law for the decomposition of N2O5 is rate = k[N2O5] If k = 1.0 x 10-5 s-1, what is the reaction rate when the N2O5 concentration is 0.0091 mol L-1? 2.The decomposition of acetaldehyde, CH3CHO, was determined to be a second order reaction with a rate constant of 0.0771 M-1 s-1. If the initial concentration of acetaldehyde is 0.301 M , what will the concentration be after selected reaction times? a. What will the CH3CHO concentration be after...
For the simple decomposition reaction AB(g) → A(g) + B(g) rate = k[AB]2 and k = 0.1 L/mol·s. If the initial concentration of AB is 1.50 M, what is [AB] after 14.0 s?
The enzyme catalase catalyzes the decomposition of hydrogen peroxide. The following data are obtained regarding the rate of reaction as a function of substrate concentration using concentration of catalase equals to 3.5 x 10^–9 M : Analyzing the data using the Lineweaver-Burk plot: we calculated the S = 0.698 s , and I = 26.6 M^-1 s , Km for this enzyme is: [H202lo (M) Initial Rate (Ms1) 1.38 x 10-3 0.001 0.002 2.67 x 10-3 0.005 6.00 x 103...
A reactant decomposes with a half-life of 167 s when its initial concentration is 0.301 M. When the initial concentration is 0.661 M, this same reactant decomposes with the same half-life of 167 s. What is the value and unit of the rate constant for this reaction? What is the order of the reaction? K=? also k =0.00475 s-1 is not the answer
9,10,11 9. Consider the decomposition reaction of N2Os. 2 N203(g) → 4NO2(g) + O2(g) follows the first order kinetics with rate constant of 4.8 x 10's. (a) if the initial 165 x 10-2M what is the concentration at 825 s? (b) How long it will take for concentration is 1.65 x 10-2M what is the concentrat the concentration of N2Os to decrease to 1.00 x 10-2M? t 10. Nitrosyl chloride, NOCI, decomposes slowly to NO and Cl2, the reaction follows...
Question 6 (18 marks) (a) Given that the rate constant k for the first-order decomposition of compound X is 2.65 x 10-9 s', calculate the percentage of compound X that has decomposed in the first 2250 seconds after the reaction begins. (4 marks) (b) Consider the first order reaction: W2 → 2 Y. If [W2]=0.8 M initially and 0.17 M after 160 seconds, what will [W2] be after 350 seconds? (4 marks) (c) Data for the reaction 3A + 5B...
A particular reactant decomposes with a half-life of 139 s when its initial concentration is 0.356 M. The same reactant decomposes with a half-life of 233 s when its initial concentration is 0.212 M. Determine the reaction order. 0 2 1 What is the value and unit of the rate constant for this reaction? k=? units=?
A particular reactant decomposes with a half-life of 131 s when its initial concentration is 0.285 M. The same reactant decomposes with a half-life of 221 s when its initial concentration is 0.169 M. Determine the reaction order. What is the value and units of the rate constant for this reaction? Units k =
Consider the following data to answer the next 4 questions. [A] initial (M) [B] initial (M) Initial speed of the reaction (M / s) 0.2. 0.1 5 0.2 0.2 5 0.6 0.1 5 2a. The order of the reaction with respect to [A] is__________. 2b. The order of the reaction with respect to [B] is__________. 2 C. The net order of the reaction is__________. 2d. The value of k is (include units) is__________.
A reactant decomposes with a half-life of 157 s when its initial concentration is 0.240 M. When the initial concentration is 0.782 M, this same reactant decomposes with the same half-life of 157 s.If the reaction order is 1 what is the k value ?