The reaction below has rate constant 2.50 x 10 -1 min -1 and obeys the rate law: rate = k [A]. At what time will 61.9 % of A have reacted?
The reaction below has rate constant 2.50 x 10 -1 min -1 and obeys the rate...
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)
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.
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.
A reaction obeys the rate law: rate = k [A]2[B]. At some set of concentrations, the rate is found to be 8.2 x 10-2 M/sec. What will be the rate of reaction if the concentration of A is halved and the concentration of B is doubled? A. 4.1 x 10-2 M/sec B. 8.2 x 10-2 M/sec C. 5.0 x 10-1 M/sec D. 1.6 x 10-1 M/sec
The rate constant for a certain reaction is k = 2.50×10−3 s−1 . If the initial reactant concentration was 0.950 M, what will the concentration be after 10.0 minutes?
At 700 K, the rate constant for the following reaction is 6.2 x 10-4 min-1 нсен, CH | HC-CH=CH, How many minutes are required for 20% of a sample of cyclopropane to isomerize to propene? Multiple Choice О 1120 min 5 o o of С 3710 min О 1.4 x 10-4 min ( 360 min Multiple Choice Ο 1,120 min Ο Ο 3710 min Ο Ο 1.4 και 10-4 min Ο Ο 360 min Ο 280 min
A)What is the overall order of reaction for a reaction that obeys the rate law rate k[A]²[B]³b) c)
The rate constant for a certain reaction is k = 2.50×10−3 s−1 . If the initial reactant concentration was 0.950 M, what will the concentration be after 12.0 minutes? Please help ASAP- I'm also confused about the units? Thanks in advance!
At a given temperature, a first order reaction has a rate constant of 2.8 x 10-51. The time required for the reaction to be 27% completed is: a) 19 min b) 7.7 min c) 1.8 min Od) 25 min e) 0.81 min
A certain first-order reaction has a rate constant of 1.65 min-1 at 20°C. What is the value of the rate constant at 60°C if the activation energy is 75.5 kJ/mol? The rate constant is 105 times bigger at 300 K than at 200K. Explain why reaction rate increases with temperature? At 227°C, the reaction: SO2Cl2(g) SO2(g) + Cl2(g), has an equilibrium constant of KC = 2.99×10-7. If a reaction mixture initially contains 0.175 M SO2Cl2, what is the equilibrium concentration...