For a certain reaction the specific rate constant, k, is 1.50 x 10-3 L mol-1 s-1 at 27 °C and 1.50 L mol-1 s-1 at 127 °C. For this reaction, the pre-exponential factor, A, in the Arrhenius equation has the value
For a certain reaction the specific rate constant, k, is 1.50 x 10-3 L mol-1 s-1...
For a certain reaction the specific rate constant, k, is 1.50 x 10-3 L mol-1 s-1 at 27 °C and 1.50 L mol-1 s-1 at 127 °C. For this reaction, the pre-exponential factor, A, in the Arrhenius equation has the value A. 8.3 x 103 L mol-1 s-1 B. 1.5 x 109 L mol-1 s-1 C. 1.5 x 106 kJ mol-1 D. 9.7 kJ mol-1 E. 1.5 x 10-3 L mol-1 s-1
For a certain reaction the specific rate constant, k, is 1.50 x 10-3 L mol-1 s-1 at 27 °C and 1.50 L mol-1 s-1 at 127 °C. For this reaction, the pre-exponential factor, A, in the Arrhenius equation has the value A. 8.3 x 103 L mol-1 s-1 B. 1.5 x 10-3 L mol-1 s-1 C. 9.7 kJ mol-1 D. 1.5 x 106 kJ mol-1 E. 1.5 x 109 L mol-1 s-1
1. The rate constant for a certain reaction is k = 7.10×10−3 s−1 . If the initial reactant concentration was 0.350 mol L−1, what will the concentration be after 19.0 minutes? 2. A zero-order reaction has a constant rate of 3.70×10−4 mol L−1 s−1. If after 40.0 seconds the concentration has dropped to 9.00×10−2 mol L−1, what was the initial concentration?
Part A: The rate constant for a certain reaction is k = 1.90×10−3 s−1 . If the initial reactant concentration was 0.150 M, what will the concentration be after 7.00 minutes? Part B: A zero-order reaction has a constant rate of 4.60×10−4 M/s. If after 30.0 seconds the concentration has dropped to 8.00×10−2 M, what was the initial concentration? Part C: A certain reaction has an activation energy of 60.0 kJ/mol and a frequency factor of A1 = 7.80×1012 M−1s−1...
A. The rate constant for a certain reaction is k = 1.70×10−3 s−1 . If the initial reactant concentration was 0.650 M, what will the concentration be after 18.0 minutes? B. A zero-order reaction has a constant rate of 4.20×10−4M/s. If after 70.0 seconds the concentration has dropped to 1.50×10−2M, what was the initial concentration?
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E = 56.0 kJ/mol. If the rate constant of this 3 - 1 - reaction is 2.7 x 10 M isat 252.0 °C, what will the rate constant be at 274.0 °C? Round your answer to 2 significant digits. -1 k = ï m-. 1 x s ?
A certain first-order reaction has a rate constant k = 3.21 X 10-2 s-1 at 20oC. What is the value of the rate constant at 100oC if Ea = 81.5 kJ/mol? (R = 8.314 J/mol K) Write your answer using 3 significant figures.
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E, = 31.0 kJ/mol. If the rate constant of this - 1 - 1 reaction is 1.3 x 10° M S at 286.0 °C, what will the rate constant be at 192.0 °C? Round your answer to 2 significant digits. k = | M-1.5-1 x 6 ?
E 12.0 kJ/mol. If the rate constant of this The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy sat 314.0 "C, what will the rate constant be at 347.0 °C reaction is 8.6x 10 M Round your answer to 2 signifcant digits. -0A X
The rate constant of a certain reaction is known to obey the Arrhenius equation, and to have an activation energy E = 7.0 kJ/mol. If the rate constant of this - 1 - 1 reaction is 1.8 10° M s at 212.0 °C, what will the rate constant be at 301.0 °C? Round your answer to 2 significant digits. 1 - 1 k = | M is x 6 ?