CHEM0010 - KINETICS EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
What is the rate equation?
Rate = k x [A]^m x [B]^n.
What is the overall order of a reaction?
Sum of the individual orders.
m+n.
Give the integral of a zero-order rate reaction.
[A] = [A]o - kt.
[A] is concentration of A.
[A]o is original concentration of A.
k is the rate constant.
What is an example of a zero order reaction in the body?
Elimination of alcohol from the bloodstream is zero order.
Give the integral of a first-order rate reaction.
[A] = [A]o x e^-kt.
[A] is concentration of A.
[A]o is original concentration of A.
, k is the rate constant.
t is time.
e is e.
Give the integral of a second-order rate reaction.
[A] = [A]o / (1 + 2kt[Ao]).
[A] is concentration of A.
[A]o is original concentration of A.
k is the rate constant.
t is time.
What is the general formula for the units of the rate constant (k)?
k = (mol dm ^-3) ^ (1-order) s^-1.
How to calculate half life of a reaction.
t1/2 = ln2 / k.
t1/2 is half life.
k is the rate constant.
What is an example of a first order reaction in the body?
Renal excretion of drugs and metabolites.
What is the relationship between pressure and concentration for gases?
They are proportional.
What is the definition of radioactivity?
The spontaneous transformation of one nuclide into another.
WITH COMPLETE SOLUTIONS VERIFIED LATEST UPDATE
What is the rate equation?
Rate = k x [A]^m x [B]^n.
What is the overall order of a reaction?
Sum of the individual orders.
m+n.
Give the integral of a zero-order rate reaction.
[A] = [A]o - kt.
[A] is concentration of A.
[A]o is original concentration of A.
k is the rate constant.
What is an example of a zero order reaction in the body?
Elimination of alcohol from the bloodstream is zero order.
Give the integral of a first-order rate reaction.
[A] = [A]o x e^-kt.
[A] is concentration of A.
[A]o is original concentration of A.
, k is the rate constant.
t is time.
e is e.
Give the integral of a second-order rate reaction.
[A] = [A]o / (1 + 2kt[Ao]).
[A] is concentration of A.
[A]o is original concentration of A.
k is the rate constant.
t is time.
What is the general formula for the units of the rate constant (k)?
k = (mol dm ^-3) ^ (1-order) s^-1.
How to calculate half life of a reaction.
t1/2 = ln2 / k.
t1/2 is half life.
k is the rate constant.
What is an example of a first order reaction in the body?
Renal excretion of drugs and metabolites.
What is the relationship between pressure and concentration for gases?
They are proportional.
What is the definition of radioactivity?
The spontaneous transformation of one nuclide into another.
