Gas Behavior and Kinetic Molecular Theory

What is the first assumption of the Kinetic Theory of Matter?

• Matter consists of molecules and atoms

• Gases are the same in all matter

• Matter is the same as kinetic energy

What determines how close molecules are to each other?

• The diameter of the molecules

• There is no way to tell

• The state of phase of the material

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What happens when particles collide?

• Molecules break into atoms

• They exchange or transfer kinetic energy

• The change the state of the material

Which is not a phase of matter?

• Solid

• Liquid

• Plasma

• Gas

• Nuclear

Which statement about the particle theory of matter is true?

• The particles in a liquid have more kinetic energy than the particles in a gas

• A solid stays in one place because its particles are at rest

• When a solid melts its particles no longer exist

• The particles that make up matter are too small to see without a microscope

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Which statement is not a key point of the particle theory of matter?

• The particles of matter are in constant motion

• All matter is made up of particles

• Particles naturally repel one another

• There are spaces between particles

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Which of the physical states of water contains particles with the lowest kinetic energy?

• Water

• Ice

• Steam

• Melting ice

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When any kind of gas such, as nitrogen or carbon dioxide, is heated, it

• sublimates.

• evaporates

• explodes

• expands

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The force of attraction is greatest between the particles of a

• mixture

• gas

• solid

• pure substance

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According to kinetic molecular model, in gases,

• The particles are closely packed together, they occupy minimum space and are usually arranged in a regular pattern

• The particles occur in clusters with molecules slightly further apart

• The molecules are very far apart and occupy all space made available to them

• The particles vibrate about fixed positions and are held together by strong intermolecular bonds between them

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