# Ideal Gas Laws and Thermal Properties in Chemistry

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)