A first order reaction has a rate constant of 0.14 at 24 oC. Given that the...
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A first order reaction has a rate constant of 0.14 at 24 oC. Given that the Arrhenius constant for the reaction is 4.34 x 1010 sec -1, calculate the value of the activation energy in KILOJOULES (enter answer to 1 decimal place) |
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A first order reaction has a rate constant of 0.14 at 24
oC. Given that the...
A first order reaction has a rate constant of 0.925 at 25 oC. Given that...
A first order reaction has a rate constant of 0.925 at 25 oC. Given that the activation energy is 34.6 kJ/mol, calculate the rate constant at 35 oC. (enter answer to 3 decimal places)
A first order reaction has a rate constant of 0.996 at 25 °C and 5.21 at...
A first order reaction has a rate constant of 0.996 at 25 °C and 5.21 at 42 °C. Calculate the value of the activation energy in KILOJOULES (enter answer to one decimal place)
A first-order reaction has a rate constant of 1.35 x 102 s-1 at 25.0 oC (298...
A first-order reaction has a rate constant of 1.35 x 102 s-1 at 25.0 oC (298 K). The energy of activation is 55.5 kJ mol-1; and the frequency factor is 7.23 x 1011 s-1. What is the value of the rate constant (k) at 95.0 oC (368 K)?
The first order rate constant for a reaction at 610 oC is 2.79e-03 s-1. If the...
The first order rate constant for a reaction at 610 oC is 2.79e-03 s-1. If the activation energy for the reaction is 181 kJ/mol, what is the rate constant at 710 oC?
Enter your answer in the provided box. The rate constant of a first-order reaction is 2.35...
Enter your answer in the provided box. The rate constant of a first-order reaction is 2.35 x 10-45-1 at 350.°C. If the activation energy is 135 kJ/mol, calculate the temperature at which its rate constant is 9.00 x 10-45-1. °c
If a first-order reaction has a rate constant of 2.11 x 10-1 s-1 at a temperature...
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(12) The first-order reaction, 2N2O(g) + 2N2(g) + O2(g), has a rate constant of 0.76 s...
3(12) The first-order reaction, 2N2O(g) + 2N2(g) + O2(g), has a rate constant of 0.76 s at 1000K. (a) Calculate the half-life of this reaction at 1000K. (b) How long will it take for the concentration of N20 to fall to 25% of its initial value at 1000K (c) How long will it take for reaction to be 90% complete? (d) If the half-life of the same reaction is 29 min at 800K, what is the rate constant at 800K?...
Variation of the rate constant with temperature for the first-order reaction 2N2(g) + O(g) → 2N2O4(g)...
Variation of the rate constant with temperature for the first-order reaction 2N2(g) + O(g) → 2N2O4(g) is given in the following table. Determine the activation energy and pre-exponential factor for the reaction. What would be the rate constant at 350 K? Temperature / K Rate Constant / s-1 273 7.87 x 103 298 3.46 x 105 318 4.98 x 106 338 4.87 x 107 What is the activation energy in kJ/mol? Do not enter the units with your answer. What...
Using the Arrhenius equation to calculate the activation energy. The rate constant of a chemical reaction...
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=??
12. The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce...
12. The first-order rate constant for the reaction of methyl chloride (CH3Cl) with water to produce methanol (CH3OH) and hydrochloric acid (HCl) is 3.32 × 10−10 s−1 at 25°C. Calculate the rate constant at 52.1°C if the activation energy is 116 kJ/mol. _____ ×10^____ s−1 (Enter your answer in scientific notation.) 14. The rate constant of a first-order reaction is 2.75 × 10−4 s−1 at 350.°C. If the activation energy is 101 kJ/mol, calculate the temperature at which its rate constant...
A first order reaction has a rate constant of 0.996 at 25 °C and 5.21 at 42 °C. Calculate the value of the activation energy in KILOJOULES (enter answer to one decimal place)
Enter your answer in the provided box. The rate constant of a first-order reaction is 2.35 x 10-45-1 at 350.°C. If the activation energy is 135 kJ/mol, calculate the temperature at which its rate constant is 9.00 x 10-45-1. °c
3(12) The first-order reaction, 2N2O(g) + 2N2(g) + O2(g), has a rate constant of 0.76 s at 1000K. (a) Calculate the half-life of this reaction at 1000K. (b) How long will it take for the concentration of N20 to fall to 25% of its initial value at 1000K (c) How long will it take for reaction to be 90% complete? (d) If the half-life of the same reaction is 29 min at 800K, what is the rate constant at 800K?...
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