
For the first-order reaction: Ag) — Bg) the rate constant is k-6x 104 s-at -10°C, and...
23. The rate constant for a particular reaction is 2.7 x 10-2 s at 25°C and 6.2 x 102 s at 75°C. What is the activation energy for the reaction in kJ/mol? (R-8.314 J/mol.K)
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.
For a given reaction, the activation energy is 61.5 kJ/mol. If the reaction rate constant is 5.23E-3 M-1s-1 at 38.0 °C, what is the reaction rate constant at -3.00 °C? (R = 8.314 J/K×mol)
The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C is 0.820 M⁻¹s⁻¹, then what is the value of the rate constant at 209 °C? (R = 8.314 J/mol • K)
The activation energy, Ea, for a particular reaction is 19.4 kJ/mol. If the rate constant at 80 °C is 0.820 M⁻¹s⁻¹, then what is the value of the rate constant at 121 °C? (R = 8.314 J/mol • K)
What is the activation energy (in kJ/mol) of a reaction whose rate constant increases by a factor of 89 upon increasing the temperature from 307 K to 343 K? R = 8.314 J/(mol • K).
The rate constant for a reaction is measured as a function of time. A plot is created by graphing ln(k) on the y-axis and 1/T on the x-axis, and a best fit line with a slope of -83,871 K is obtained. Based on this data what is the activation energy of this reaction (in kJ/mol)? R= 8.314 J/(K mol)
The rate constant for a first-order reaction is 1.8 × 10–2 s–1 at 664 K and 5.0 × 10–2 s–1 at 892 K. What is the activation energy? (R = 8.3145 J/mol · K)
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.
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...