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Knowledge
The chapter explores the essential properties and behaviors of the states of matter, focusing on gases and liquids. It discusses concepts such as kinetic theory, gas laws, and the differences between gases and liquids. Additionally, it highlights the practical applications of these states of matter in everyday life.
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References
c11-5.pdfClass Notes
Memorization
What we have learnt
- Matter primarily exists in ...
- Gases have no fixed shape o...
- Understanding the propertie...
Final Test
Revision Tests
What we have learnt
- Matter primarily exists in three states: solid, liquid, and gas.
- Gases have no fixed shape or volume and exhibit high compressibility, while liquids have a fixed volume but no fixed shape.
- Understanding the properties of gases and liquids is crucial for applications in various industries, including refrigeration and combustion.
Key Concepts
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Term: Kinetic Theory of Gases
Definition: A theory stating that gases consist of particles in constant, random motion, and that the pressure exerted by a gas is due to collisions of these particles with the walls of their container.
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Term: Boyle's Law
Definition: A principle stating that at a constant temperature, the pressure of a gas is inversely proportional to its volume.
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Term: Charles's Law
Definition: A law stating that at constant pressure, the volume of a gas is directly proportional to its temperature.
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Term: Fluidity
Definition: The ability of a substance to flow and take the shape of its container; applicable to both liquids and gases.
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Term: Viscosity
Definition: The measure of a liquid's resistance to flow, where higher viscosity indicates a thicker liquid.
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Term: Surface Tension
Definition: The inward force experienced by molecules at the surface of a liquid, causing it to behave as if it has an elastic 'skin'.