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Questions and Answers
Which term is used to describe the energy in motion of particles according to the Kinetic Molecular Theory?
How does the amount of kinetic energy in a substance relate to its temperature?
Which postulate of KMT is related to the space between particles in matter?
How do intermolecular forces differ from intramolecular forces?
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What type of forces determine the state of matter and physical properties like melting point according to KMT?
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Which type of bond is categorized as an intramolecular force?
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What are the attractive forces between particles called in KMT?
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Which type of forces are stronger - intermolecular or intramolecular forces?
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What do intermolecular forces categorize into according to KMT?
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What determines the chemical behavior of a substance according to KMT?
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Study Notes
Kinetic Energy and Temperature
- Energy in motion of particles is referred to as kinetic energy in Kinetic Molecular Theory (KMT).
- The kinetic energy of particles is directly related to the substance’s temperature; as temperature increases, the average kinetic energy of particles increases.
Space Between Particles
- One postulate of KMT emphasizes that particles in matter are separated by significant space, which affects their movement and behavior.
Intermolecular vs Intramolecular Forces
- Intermolecular forces act between separate molecules, while intramolecular forces occur within a single molecule, holding atoms together.
- Intramolecular forces are typically much stronger than intermolecular forces.
Forces Determining State of Matter
- According to KMT, the state of matter and physical properties like the melting point are determined by the balance of intermolecular forces acting between particles.
Types of Bonds and Forces
- Covalent bonds are categorized as intramolecular forces; they hold atoms together within a molecule.
- Attractive forces between particles are generally referred to as intermolecular forces in KMT.
Strength of Forces
- Intramolecular forces are stronger than intermolecular forces, influencing a substance's stability and chemical behavior.
Chemical Behavior Determinants
- The chemical behavior of a substance is determined by the arrangement and strength of its intramolecular forces, as outlined in KMT.
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Description
Test your understanding of the postulates of the Kinetic Molecular Theory (KMT) which explains the behavior of matter and the motion of particles within it. Learn about concepts like kinetic energy, temperature, and the motion of particles.
