A reaction is found to have a rate constant of 1.81*10-5sec-1 at 483K and an activation energy of 154.8KJ/mole. What is the value of the rate constant at 468K?
A reaction is found to have a rate constant of 1.81*10-5sec-1 at 483K and an activation...
8) A reaction is found to have an activation energy of 38.0 kJ/mol. If the rate constant for this reaction is 1.60 x 102 M-1-1 at 249 K, what is the rate constant at 436 K? 9) If the activation energy for a given compound is found to be 42.0 kJ/mol, with a frequency factor of 8.0 x 1010 s-1, what is the rate constant for this reaction at 298 K? 10) If the activation energy for a given compound...
A reaction is found to have an activation energy of 108 kJ/mol. If the rate constant for this reaction is 4.0 x 10-6,1 at 275K, what is the rate constant at 372K? O 17 51 3.77 x 10-331 O 2x 10-10,1 O 3.95 x 10-6 51 1.78 x 10-11-1
Consider an elementary first order reaction found to have an activation energy (EA) of 250 kJ/mole and a pre-exponential (A) of 1.7 x 1014 s–1. (a) Determine the rate constant at T = 750°C. (b) At what temperature will the reaction be three times as fast as at 750°C? (c) What fraction of the reaction will be completed in a batch reactor at 300°C over a period of 10 minutes?
30) 30) A reaction is found to have an activation energy of 108 kJ/mol. If the rate constant for this reaction is 4.60 x 10-6 5-1 at 275 K, what is the rate constant at 366 K? A) 1.9 x 10-45-1 B) 1.75-1 C) 0,58 s-1 D) 12 s-1 E) 5.4 x 10-55-1
A second order reaction was observed to have a rate constant of 8.9 middot 10^-3 at 3.0 degree C and 7.1 middot 10^-2 at 35.0 degree C. What is the activation energy in kJ/mole for the reaction? You may want to determine this graphically.
Using the Arrhenius equation to calculate the activation energy. The rate constant of a chemical reaction increased from 0.100s-1 to 2.90s-1 upon raising the temperature from 25 to 45 C (1/t2 -1/t1)= -2.11x10^-4 K-1 Calculate the value of In (k1/k2) where k1 and k2 corresponds to the rate constant at the initial and the final temperature as found above. In(k1/k2)=?? Also, what is the activation energy of the reaction? Expressed in kilojoules per mile Ea=??
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?
a. A reaction has the following activation energy and reaction rate k constant at 20 °C 10,000 cal/mo k2 1.42 h Calculate: a. reaction rate constants for 10, 15, 20, 25, 30, 35 and 40 oC b.construct the Arrhenius plot (x-1/T versus y - log k) using the reaction rate constants calculated in a. calculate Qio for each pair of temperatures with the difference od 10°C, such as between 10 and 20°C., 15 and 25 °C, etc. (you will have...
The rate constant of a reaction is 5.6 × 10−3 s−1 at 25C, and the activation energy is 33.6 kJ/mol. What is k at 75C? Enter your answer in scientific notation.
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...