When a biochemical reaction is carried out in laboratory from outside of human body in the absence of enzyme, the rate of reaction obtained is 10-6 times,then activation energy of the reaction in the presence of enzyme is.
P is required.
Different from Ea obtained in laboratory
Cannot say any things
If the rate of a reaction is equal to the rate constant, the order of the reaction is.
2
3
0
1
If 60% of a first order reaction was completed in 60 min,50% of the same reaction would be completed in approximately.
50 min
45 min
60 min
40 min
The experimental data for the reaction
The rate constant k1 and k2 for two different reactions are 1016.e-2000/T and 1015.e-1000/T, respectively. The temperature at which k1 =k2 is
1000 k
2000 k
The reaction follows first order kinetics. The time taken for 0.8 mole of A to produce 0.6 mole of B 1 h. What is the time taken for the conversion of 0.9 mole of A to 0.675 mole of B ?
0.25 h
2 h
1 h
0.5 h
In a first order reaction if k is rate constant and initial concentration of the reactant A is 0.5 M, then the half-life is.
In the following reaction, how is the rate of appearance of the underlined product related to the rate of disappearance of the underlined reactant?
