d listing r. (Individ For a particular first-order reaction, it takes 24 minutes for the concentration...
1) Calculate the activation energy in kJ/mol for the following reaction if the rate constant for the reaction increases from 93.5 M-1s-1 at 497.7 K to 1349.3 M-1s-1 at 636.7 K. do not include units, but make sure your answer is in kJ/mol! 2) A chemist constructs a plot of ln k vs. 1/T for a chemical reaction. The slope of the trendline for the data is -746 K. What is the activation energy for this reaction in kJ/mol? R...
In a first-order reaction at 300 K, the half-life is 2.50 x 104 seconds and the activation energy is 103.3 kJ/mol. What is the rate constant at 350 K? 4.78 s-1 2.79 x 10-5 s-1 6.38 x 1016 s-1 7.47 x 10-8 s-1 1.03 x 10-2 s-1
The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 1.35 x 10-45-1 at 323 K, what is the rate constant at 273 K? | 1/ Determine the activation energy for the redox reaction Q2+ + 2 R3+ → Q4+ + 2 R2+. Rate Constant Temperature 3.12 x 103 M-15-1 275 K 2.70 x 104 M-15-1 300 K kJ/mol
DV 18. For the formation of 1 mol of nitrosyl chloride at a given temperature, AH -36 kJ. NO(g) + Cl2(g) → NOCI(8) The activation energy for this reaction is 84 kJ/mol. What is the activation energy for the reverse reaction? A) -36 kJ/mol B) 48 kJ/mol C) 84 kJ/mol D) 120 kJ/mol E) -120 kJ/mol 19. The rate constant for a first-order reaction is 1.8 x 10° s at 736 K and 4.0 x 10s at 836 K. What...
For the first-order reaction: Ag) — Bg) the rate constant is k-6x 104 s-at -10°C, and the activation energy is 64 kJ/mol. What is the rate constant at 20°C? (R-8.314 J/mol x K) 0 a. 6x 10451 b.4.3 x 1045-1 OC. 4.1 x 10851 Od. 1.2 x 10051 Oe-2.2 x 1045-1
(Show all equations and calculations; No Equations & No Calculations- No Points) Part III (8 pts) 1. The rate of the reaction A +2B Chas been observed at 25'C Expt. A] (M) 0.100 0.200 0.100 IB] (M) 0.100 0.100 0.300 Initial Rate (M/s) 5.50x 10 1.65 x 10s From this data: (a) Determine the order of the reaction with respect to A. c from o.loo0,20o is tmes 2 (b) Determine the order of the reaction with respect to F hange...
The activation energy for a particular reaction is 102 kJ/mol. If the rate constant is 35 × 10⁻⁴ s⁻¹ at 322 K, what is the rate constant at 273 K? An experimental plot of ln(k) vs. 1/T is obtained in lab for a reaction. The slope of the best-fit line for the graph is -3090 K. What is the value of the activation energy for the reaction in kJ/mol?
If a first-order reaction has a rate constant of 2.11 x 10-1 s-1 at a temperature of 22.3°C, what would the value of k be if the reaction temperature has changed to 43.4 °C given the activation energy is 52.9 kJ/mol?
3) The rate constant of a first order reaction is 2.6 x 10+ s' at 255 °C. If the activation energy is 99.9 KJ/mol, calculate the temperature at which its rate constant is 4.8 x 104 sl.
The data below was obtained for a reaction that was found to be first order. In k vs 1/T -16 -17 -18 -19 -20 In(k/s-) -21 -22 -23 y=-28047x + 65.8 -24 -25 -26 2.95E-03 3.00E-03 3.05E-03 3.15E-03 3.20E-03 3.10E-03 1/(T/K) What is the activation energy (Ea) for the rate-determining step of this reaction? Select one: a. It is not possible to calculate without knowing the reaction mechanism. O b. 28.0 kJ mol-1 O c. 3.37 kJ mol-1 O d....