If you have a reaction that is first order with a rate constant of 8.391x10-4 1/min, how long would it take for 10% of the reactant to decompose?
If you have a reaction that is first order with a rate constant of 8.391x10-4 1/min,...
1. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reaction is run for 2.5 hours and the initial concentration of the reactant is 0.31 M? 2. A certain first order reaction has a rate constant of 0.036 min-1. How much of the reactant will remain if the reaction is run for 2.5 hours and the initial concentration of the reactant is 0.31 M? 3. The rate constant...
A decomposition reaction in first order in A. If the rate constant of the reaction is 3.85 x 10-2s-1, how long will it take for 68% of the material to decompose?
A decomposition reaction is first order in A. If the rate constant of the reaction is 9.03x10^-3S^-1, how long will it take for 34.1% of the material to decompose?
a first order reaction with a single reactant (A) is found to have a half-life of 69.4 seconds. 1) calculate the rate constant for the reaction 2) if [A]0=0.100 M , calculate [A]t at 60.0 seconds 3) how long will it take , in mintues for 90.0 % of A to decompose ?
The reaction, aA products, is a first order reaction with a rate constant of 1.248 x 10-4 s-1 . a. How long (in seconds) does it take for the initial amount of A to decrease by 30%? b. What fraction of reactant remains after 30 minutes? c. What is the half-life for the reaction? d. How long does it take for the initial amount of reactant to decrease by 87.5%?
A certain reactant disappears by a first order reaction that has a rate constant K= 3.5x10^-3 s-1. If the initial concentration of the reactant is 0.500 M , how long will it take for the concentration to drop to 0.200 M ? 4. A certain reactant disappears by a first-order reaction that has a rate constant k=3.5 x 10 s. If the initial concentration of the reactant is 0.500 M, how long will it take for the concentration to drop...
A certain first order reaction has a rate constant of 0.029 min-1. How much of the reactant will remain if the reaction is run for 2.3 hours and the initial concentration of the reactant is 0.17 M?
2. Answer the following questions by connecting the half-life of each first-order reaction to the rate constant. a. The rate constant of a first-order reaction is 2.43 × 10–2 min–1. What is the half-life of the reaction? (2 points) b. A first-order reaction has a rate constant of 0.547 min-1. How long will it take a reactant concentration 0.14 M to decrease to 0.07 M? (2 points) c. The half-life of a first-order reaction is 5.47 min. What is the...
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 for [A]t = 3.10 × 10−3M? ______ min (b) Calculate the half-life of the reaction. _______ min 10. The thermal decomposition of phosphine (PH3) into phosphorus and molecular hydrogen is a first-order reaction: 4PH3(g) → P4(g) + 6H2(g) The half-life of the reaction is 35.0 s at 680°C. a) Calculate...
The rate constant k for a certain first-order reaction is 0.60 min–1. What is the initial rate, if the initial concentration of the reactant is 0.10 M?