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Determination of Rate of Reaction
Determination of Rate of Reaction
7.1
Determination of Rate of Reaction
Classification of Reactions
Fast reactions
Slow reactions
Definition of Rate of Reaction
Definition: Change in quantity of reactant or product per unit time.
The rate of reaction is inversely proportional to the time of reaction.
\(\text{Rate of reaction} ∝ \dfrac{1}{\text{Time of reaction}}\)
The reaction with shorter time of reaction has a higher rate of reaction and vice versa.
Changes that Occur during Reactions
The rate of reaction can be measured by measuring the observable changes.
Reduction in the mass or concentration of reactant
Increase in mass or concentration of product
An increase in volume of gas released
Production of precipitate
Change of temperature, pH, electric conductivity or the intensity of the colour of the reacting mixture
Types of Rate of Reaction
The average rate of reaction
Instantaneous rate of reaction
Definition of Average Rate of Reaction
The speed of a reaction over a time interval.
Definition of Instantaneous Rate of Reaction
The rate of reaction that happens at any given time.
Obtained from the gradient of the tangent on the graph of change in the amount of reactant or product against time.
Determination of Rate of Reaction
7.1
Determination of Rate of Reaction
Classification of Reactions
Fast reactions
Slow reactions
Definition of Rate of Reaction
Definition: Change in quantity of reactant or product per unit time.
The rate of reaction is inversely proportional to the time of reaction.
\(\text{Rate of reaction} ∝ \dfrac{1}{\text{Time of reaction}}\)
The reaction with shorter time of reaction has a higher rate of reaction and vice versa.
Changes that Occur during Reactions
The rate of reaction can be measured by measuring the observable changes.
Reduction in the mass or concentration of reactant
Increase in mass or concentration of product
An increase in volume of gas released
Production of precipitate
Change of temperature, pH, electric conductivity or the intensity of the colour of the reacting mixture
Types of Rate of Reaction
The average rate of reaction
Instantaneous rate of reaction
Definition of Average Rate of Reaction
The speed of a reaction over a time interval.
Definition of Instantaneous Rate of Reaction
The rate of reaction that happens at any given time.
Obtained from the gradient of the tangent on the graph of change in the amount of reactant or product against time.
Chapter : Rate of Reaction
Topic : Determination of Rate of Reaction
Form 4
Chemistry
View all notes for Chemistry Form 4
Related notes
Factors Affecting the Rate of Reaction
Application Rate of Reaction in Daily Life
Collision Theory
Development in Chemistry Field
Scientific Investigation in Chemistry
Usage, Management and Handling of Apparatus and Materials
Basic Concept of Matter
The Development of the Atomic Model
Structure of the Atom
Isotopes and Their Uses
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