Question 6 (5 points) A reaction that is second order in a single reactant has an...
Question 5 (5 points) A reaction that is second order in a single reactant has an initial concentration of 0.910 M and a rate constant of 0.441 M-15-1. What is the concentration of this reactant at 94.0 s? 0.0235 M 0.00907 M 0.157 M 0.420 M 0.365 M
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...
Question 3 (Mandatory) (5 points) The rate constant of a first-order decomposition reaction is 0.0147 s. If the initial concentration of reactant is 0.178 M, what is the concentration of reactant after 30.0 seconds? a) 8.72 x 10 M Ob) 0.0785 M Oc) 0,115 M O d) 0.643 M e) 0.0645 M Question 4 (Mandatory) (5 points) The reaction quotient, . for a system is 1.6 x 104. If the equilibrium constant for the system at some temperature 8.5 x...
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 second order reaction where the starting reactant concentration is 0.0963 M has a measured rate constant of 0.70 M/s at 10 oC. What is the concentration of the reactant after 36.0 seconds? - report your answer in three significant figures - do not write your answer in scientific notation - do not include units
A certain reaction obeys second-order kinetics with respect to its only reactant (call it R) and has a rate constant of 0.0520 L mole-1 s-1. If the initial concentration of reactant R is 0.265 moles/liter, what is the concentration of R after 3.50 minutes? _______________
13) Give the characteristic of a second order reaction having only one reactant A) The rate of the reaction is not proportional to the concentration of the reactant. B) The rate of the reaction is proportional to the natural logarithm of the concentration of the reactant C) The rate of the reaction is proportional to the square root of the concentration of the reactant D) The rate of the reaction is directly proportional to the concentration of the reactant. E)...
The reactant concentration In a second order reaction was 0.340 M After 280 seconds and 3.80×10^-2 M after 850 s. what is the rate constant for this reaction? Part D The reactant concentration in a second-order reaction was 0.340 M after 280 s and 3.80x10-2 M after 850 s. What is the rate constant for this reaction? Express your answer with the appropriate units. Indicate the multiplication of units, as necessary, explicitly either with a multiplication dot or a dash....
Final Answer: 16. (10pts) A second order reaction has a rate constant of 7.68 x 10 Ms. Ifthe initial concentration of the reactant is 1.50 M, what will the concentration be after 25.0 Final Answer: 6 pt
It takes 50.5 s for the concentration of reactant A in the second order reaction A ==> Products 0.84 mol L to half of it. to decrease from its initial value [A]o A) What is the rate constant of the reaction? B) What is the concentration of A after 32 s have passed? B) After what time will the concentration of A be [A]o 16?