Egypt-Japan University of Science and Technology
School of Innovative Design Engineering
Materials Science and Engineering Department
MSE 502
Chemical activities
By: Awad Elaraby
ID:052022009
Instructor: Prof. Mohamed
Gepreel
Outline
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Introduction
Factors Affecting Chemical Activity
Chemical Activity and Reaction Rate
Measuring Chemical Activity
Chemical activity series
Applications
Everyday Life
Importance
Challenges
Introduction
• Chemical activity is a measure of the ability of
a substance to react with other substances. It
is a fundamental concept in chemistry and is
used to predict and understand chemical
reactions.
• For example if we have:
𝑍𝑛 + 𝐶𝑢𝑆𝑂4 = ? ? ? ?
Factors Affecting Chemical Activity
The chemical activity of a substance is affected by
several factors, including temperature, pressure,
concentration, and the nature of the reactants.
concentration
Pressure
Temp.
Chemical Activity and Reaction Rate
the rate of a chemical reaction is directly
proportional to the chemical activity.
A higher chemical activity leads to a faster
reaction rate.
A lower chemical activity leads to a slower
reaction rate.
Measuring Chemical Activity
Methods of measuring chemical activity:
Electrochemical
• measuring the potential difference(voltage)
between two electrodes in a solution
containing the reactants
Vapor pressure
• measuring the pressure of the vapor above a
solution containing the reactants
solubility
• measuring the concentration of the reactants
in a solution
Chemical activity series
Example
𝑍𝑛 + 𝐶𝑢𝑆𝑂4 = 𝑍𝑛𝑆𝑂4 + 𝐶𝑢
but
𝑍𝑛𝑆𝑂4 + 𝐶𝑢
no
reaction
Applications
Everyday Life
Personal care products
bleaches
Maillard reaction
Importance
Understanding chemical activity is essential in
many fields of science and technology:
I. Predicting and controlling chemical
reactions.
II. Designing new materials
III. Optimizing chemical processes.
understanding the behavior of substances
in different environments and the effects
of external factors on their properties.
Challenges
Studying chemical activity is a complex and
challenging task due to the complexity of
chemical reactions and the variety of factors
that affect them.
It
requires
advanced
experimental
techniques and theoretical models to
accurately measure and predict chemical
activity.
Conclusion
Chemical activity is an important concept in chemistry
that helps in predicting and understanding chemical
reactions. It is affected by various factors, including
temperature, pressure, concentration, and the nature of
the reactants. Measuring chemical activity can be done
using different methods, and it has many applications in
science and technology. Understanding chemical activity
is crucial in designing new materials, optimizing
chemical processes, and predicting the behavior of
substances in different environments.
Thank you