15. A. B. C. D. E. The rate law for the reaction 3A - 2B is rate = k[A] with a rate constant of 0.0447 hr What is the half-life of the reaction? 0.0224 hr 0.0645 hr 15.5 hr 22.4 hr 44.7 hr 4B is 600 x 10- 31 mol-1minHow long will
5. The rate constant for the reaction 3A 2B is 0.0447 s What is the half-life of the reaction? (2 points) dbl
10. Consider the reaction A + 2B → C ne rate law for this reaction is on der in and and order in B if the rate constant at 25°C is 1.25x 105 , find the rate of reaction when the concentration of A is 0.27M and the concentration of B is 0.32 M UMA 21 11. Consider the reaction A +2B C + D. The rate law for this reaction is first order in A and zeroth order in...
The rate law for the reaction 3A(g) → C(g) is rate-kAI2 where k = 4.36 x 10-2 Mhrl. The initial concentration of A is 0.250 M. a) How long will it take for [A] to reach 1/6 of its initial concentration b) What is the half-life of this reaction? c) What is the concentration of A after 10.0 hr?
The reaction A + 2B → Products was studied and found to have the rate law: Rate = k[A][B]2. By what factor will the rate increase if the concentration of B is tripled while the concentration of A is held constant?
For the reaction 3A(g) + 2B(g) → 2C(g) + 2D(g) the following data was collected at constant temperature. Determine the correct rate law for this reaction and value of rate constant. Trial Initial [A] Initial [B] Initial Rate (mol/L) (mol/L) (mol/(L• min)) 1 0.200 0.200 1.20 × 10–1 2 0.200 0.100 6.00 × 10–2 3 0.100 0.200 3.00 × 10–2 Predict the rate of reaction for Trial #4 using the correct rate law and rate constant. 4 0.300 0.200 ?????????
The reaction A + 2B → C proceeds according to the rate law, rate = k[A][B] with k = 6.05 x 10-3 M-1 min-1. Assume that at the start of a particular reaction, [A] = 0.275 M, [B] = 0.0950 M. What is the initial rate of reaction? What is the rate when half of B has reacted? Give units! [Remember: ln(ab) = ln(a) + ln(b)]
For the reaction 3A(g) + 2B(g) → 2C(g) + D(g) the following data was collected at constant temperature. Determine the correct rate law for this reaction. run [A] (M) [B] (M) Rate (M/s) 1 . 0.125 0.200 7.25 2 0.375 0.200 21.75 3 0.250 0.400 14.50
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...
Reaction: 2B ---> 4 C This reaction exhibits a half-life of 11.5 minutes at 60 C when [B]0 = 0.33M. a) What is the rate constant for the reaction if the rate law for the reaction is R= k [B]? b) What is the half-life of the reaction if the reaction is second order and [B]0 = 0.57 M? K = 0.0603 c) Assuming the reaction is first order and you started with [B]0 = 0.33M, what concentration of C...