Consider two reactions, A and B. Reaction A has a higher activation energy than reaction B. Which statement is most likely true?
Reaction A will proceed faster than reaction B at the same temperature.
Both reactions will proceed at the same rate at the same temperature.
Reaction B will proceed faster than reaction A at the same temperature.
The relative rates of reactions A and B cannot be predicted based on activation energy alone.
Related Questions
A reaction's Arrhenius plot exhibits a slope of . Calculate the activation energy () of this reaction, using .
66.5 kJ/mol
74.8 kJ/mol
83.1 kJ/mol
91.4 kJ/mol
The slope of Arrhenius plot of first order reaction is The value of of the reaction is. Choose the correct option for your answer. [Given ]
Which increases on increase of temperature?
Volume
Density
Viscosity
Surface Tension
For a second-order reaction, the slope of the Arrhenius plot is determined to be . Calculate the activation energy () for this reaction. (Use ).
55.3 kJ/mol
72.4 kJ/mol
83.14 kJ/mol
95.6 kJ/mol
The slope of Arrhenius plot of first order reaction is The value of of the reaction is. Choose the correct option for your answer. [Given ]
For a reaction with an activation energy () of 50 kJ/mol, how much would a 10°C increase in temperature increase the rate constant, according to the Arrhenius equation (assuming ) at room temperature (approx. 300K)?
Approximately half
Approximately double
Approximately quadruple
Negligible change
The slope of the Arrhenius plot of a first-order reaction is . The value of of the reaction is (Given ). Choose the correct option.
41.8 kJ/mol
58.2 kJ/mol
83.8 kJ/mol
28.4 kJ/mol
The pre-exponential factor (A) in the Arrhenius equation is related to the:
Activation energy of the reaction
Enthalpy change of the reaction
Frequency of collisions with proper orientation
Temperature of the reaction
If the slope of an Arrhenius plot for a particular reaction is , determine the activation energy () for this reaction, given that the gas constant is .
45.2 kJ/mol
54.0 kJ/mol
63.7 kJ/mol
72.4 kJ/mol
In an Arrhenius plot for a reaction, the slope is found to be . If the gas constant is , what is the activation energy () of the reaction in ?
75.2 kJ/mol
88.5 kJ/mol
92.3 kJ/mol
99.8 kJ/mol