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Assignment 4 Application of Kinetics 1. A reaction AB has rate constant of 10.018 L/mol min)...
(b) A reaction follows second-order kinetics with a rate constant 7.0 10M'sat 25°C, If the initial concentration is 0.86 M, calculate the concentration after 120 s
4. The rate constant for the reaction 3AAR is 250 x 10 molminHow long will it take the concentration of A to drop from 0.75 M to 0.50 M? (6 points) 5. The rate constant for the reaction 3A - 2B is 0.0447 5. What is the half-life of the reaction? (2 points) 6. Consider the reaction 3A C. If the reaction is second order with a half-life of 20.0 hrs Starting the reaction with an initial concentration of A...
Kinetics. The rate constant for a particular second-order reaction is 0.47 M-1s-1. If the initial concentration of reactant is 0.25 mol/L, what concentration will remain after 12.0 s? SHOW ALL WORK - SHOW ALL STEPS (WITH UNITS)
4. The rate constant for the reaction rate constant for the reaction 3A 4B is 2.50 x 10-3 L mol-min". How long will take the concentration of A to drop from 0.75 M to 0.50 M? (6 points)
Suppose the surface-catalyzed hydrogenation reaction of an unsaturated hydrocarbon has a rate constant of 0.673 M'min. The reaction is observed to follow zero-order kinetics. If the initial concentration of the hydrocarbon is 5.40 M, what is the half-life of the reaction in seconds? *Please report 3 significant figures. Numbers only, no unit. No scientific notation. QUESTION 14 The rate law of a reaction is ratek[X][Y). The units of the rate constant are L mol-1-1 L2 mol-2-1 mol L-1.1 mol2 L-2-1...
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...
3. A reaction has a rate constant of 3.15 x 10 -4 L mol -1 min -1 at 25 °C, and a rate constant of 3.72 x 10 -3 L mol -1 min -1 at 40 °C. What is the activation energy for the reaction? Give your answer to 3 significant figures.
At a given temperature a second order reaction has a rate constant of 146 L/mol*s and an initial concentration of 0.10M. How long will it take to be 85% complete?
A reaction has a rate constant of 7.85x 10 -6 L mol -1 min -1 at 30 °C, and a rate constant of 1.26 x 10 -5 L mol -1 min -1 at 35 °C. What is the activation energy for the reaction? Give your answer to 3 significant figures.
Calculate the rate constant k (in M^-1 s^-1) using the information
in the reaction and Table 14.2.
ΝΗ, 4 (aq) + NO 2 (aq) →N + 2H2O 2 (8) A) 2.7 x 10*m's' B) 1.0 x 10-ºm's' C) 5.4 x 10m's' D) 2.7 x 10 M's! TABLE 14.2. Rate Data for the Reaction of Ammonium and Nitrite lons in Water at 25 °C + Experiment Number Initial NH, Concentration (M) Initial NO2 Concentration (M) انا فية طالية 0.0100 0.0200 0.0400...