What is the activation energy for a reaction that has a rate constant of 5.68 × 10-8 s-1 at 298 K and 1.73 × 10-5 s-1 at 348 K?
66.2 kJ mol-1 |
70.0 kJ mol-1 |
41.4 kJ mol-1 |
98.2 kJ mol-1 |
19.4 kJ mol-1 |
What is the activation energy for a reaction that has a rate constant of 5.68 ×...
Calculate the rate constant, k, for a reaction at 70.0 °C that has an activation energy of 90.0 kJ/mol and a frequency factor of 2.26×1011 s−1.
Calculate the rate constant, k, for a reaction at 70.0 °C that has an activation energy of 77.2 kJ/mol and a frequency factor of 1.15 x 1011 s-1
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...
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)
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?
The reaction C4H8(g)⟶2C2H4(g) has an activation energy of 262 kJ/mol. At 600.0 K, the rate constant, k, is 6.1×10−8 s−1. What is the value of the rate constant at 765.0 K? k= s−1
Some reaction has an activation energy of 44 kJ/mol and a rate constant of 4.0 × 10₋4 s-1 at 37 oC. In the presence of a catalyst, the same reaction has an activation energy of 9.1 kJ/mol. Calculate the rate constant (s-1) of the catalyzed reaction at 37 oC. Enter your answer as an integer.
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...
The following reaction has an activation energy of 262 kJ/mol. C.H At 600.0 K the rate constant is 6.1x 10-8 s-1 What is the value of the rate constant at 790.0 K? Number k-1.996x 10-13