and 9.8 x 10-25 at 0°C and 20.0C, respectively. What is the value of the activation...
** Please show all steps & explain how to solve the solution ** A first order reaction has rate constants of 4.6 x 10-2 s-1 and 5.7 × 10-2 s-1 at 0°C and 20°C, respectively. What is the value of the activation energy? Activation energy- kJ/mol Try Another Version ltem attempts remaining Submlt Answer
A first order reaction has rate constants of 5.4 x 10-2 s-1 and 6.5 x 10-2 s-1 at 10oC and 35o C, respectively. What is the value of the activation energy?
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] The activation energy of an uncatalyzed reaction is 99 kJ/mol . The addition of a catalyst lowers the activation energy to 56 kJ/mol . a] Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 27 ∘C? Express the ratio to two significant digits. b] Assuming that the collision factor remains the same, by what factor will the catalyst increase the rate of the reaction at 139 ∘C?...
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)
1.At 25 °C, a reaction produces a product at the rate of 0.880 mol/Lhr. if the activation energy is 80 KJ/mol what will the reaction rate be at 49 °C? 3. A reaction has a rate constant of 1.34 x 10-3 L mol-1min-1 at 25 °C, and a rate constant of 1.61 x 10-2 L mol-1min-1 at 45 °C. What is the activation energy for the reaction? Give your answer to 3 significant figures.
6. The uncoiling of deoxyribonucleic acid (DNA) is a first order reaction with an activation energy of 420. kJ/mol. If the rate constant is 2.94 x 10-25-1 at 37°C, what is the rate constant when the temperature is decreased to 25°C?
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?
A reaction has an activation energy, Ea = 41.6 kJ mol-1 at 25 °C. By how many degrees must the temperature be raised in order to increase the reaction rate by a factor of 30. A) 2.0 B) 374 C) 29 D) 76 E) 6.0
7.43 hours b) 16.5 hours c) 20.7 hours d) 34.2 hours e) 45.3 hours P21. (See. 13.4) A certain reaction has artes at 205 lata temperature of 25 .11 the activation energy (E) equals 85.6 kJ/mol what is the frequency factor (A) for the reaction (R = 8.314 J/mol K) a) 6.022 x 1023 /s b) 39.3/s 2.073 x 1017/s d) 7.453 x 106/s e) 5.128 x 1011 /s P22. (Sec. 13.4) The following reaction is a first order reaction....