Ideal Gas Laws and Thermal Properties in Chemistry
Grade 11 Chemistry
Knowledge Area:
Matter and
Materials
Ideal gases and Thermal properties
There is a linear relationship between
temperature and volume.
Ideal gases and Thermal properties
Quick facts
Extrapolation – extension of the
graph.
V
1
V
2
T
1
= T
2
(constant pressure)
volume 1
volume 2
temperature 1 (K)
temperature 2 (K)
Ideal gases and Thermal properties
Charles’s law: The volume of a fixed
mass of gas is directly proportional to
the temperature of the gas, provided
the pressure remains constant.
3.7
Relationship between temperature
and pressure of a gas
Ideal gases and Thermal properties
The absolute zero is the lowest possible
temperature that any substance can
ever reach.
The graph of pressure vs temperature (K)
looks as follows:
Ideal gases and Thermal properties
p
1
p
2
T
1
= T
2
pressure 2
pressure 1
Temperature (in K) is directly proportional to
the pressure of an enclosed mass of gas,
provided the volume remains constant.
temperature 1
(K)
temperature 2
(K)
Gay-Lussac’s law:
Understanding ideal gas laws and thermal properties is crucial in chemistry. The relationship between temperature, volume, and pressure is explored through Charles's law and Gay-Lussac's law. The concept of absolute zero, extrapolating graphs, and the direct proportionalities between gas properties are key in this area of study.
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Presentation Transcript
Grade 11 Chemistry Knowledge Area: Matter and Materials
Ideal gases and Thermal properties There is a linear relationship between temperature and volume.
Ideal gases and Thermal properties Quick facts Extrapolation extension of the graph. V1 V2 T1 = T2 volume 2 volume 1 (constant pressure) temperature 1 (K) temperature 2 (K)
Ideal gases and Thermal properties Charles s law: The volume of a fixed mass of gas is directly proportional to the temperature of the gas, provided the pressure remains constant. Definition 3.7 Relationship between temperature and pressure of a gas
Ideal gases and Thermal properties The absolute zero is the lowest possible temperature that any substance can ever reach. Definition The graph of pressure vs temperature (K) looks as follows:
Ideal gases and Thermal properties Gay-Lussac s law: Temperature (in K) is directly proportional to the pressure of an enclosed mass of gas, provided the volume remains constant. Definition p1 p2 T1 = T2 pressure 2 pressure 1 temperature 2 (K) temperature 1 (K)
