Self assessment
Question 1 of 3
Which of the following statements is true of activation energy?
A
In  reactions involving gases the activation energy is affected by pressure.
B
Activation energy varies with temperature
C
Catalysts decrease activation energy.
D
Concentration changes the activation energy.
Which of the following factors is not featured in the Arrhenius expression?
A
Activation energy
B
Temperature
C
The universal gas constant
D
Concentration
Increasing the temperature by 10 degrees kelvin doubles the rate of reaction because.....
A
there are more particles to react.
B
the number of particles which have the sufficient energy to react is doubled.
C
the activation energy is reduced.