Properties of Matter (2)

Which of the following is NOT an intermolecular force?

• Dispersion

• Dipole–Dipole

• Hydrogen Bonding

• Magnetism

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9-12-PS3.A-3

What is the measure of the average kinetic energy of the particles in matter; a physical property of matter?

• Evaporation

• Heat

• Temperature

• Condensation

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9-12-PS3.A-3

Match the following terms with its definition.

• Condensation

• Energy that is transferred from one object or substance to another.

• Vaporizaton

• Process in which a liquid ins converted ot a gas.

• Heat

• The conversion of a liquid to its vapor below the boiling temperature of the liquid.

• Temperature

• The measure of average kinetic energy of the particles in matter.

• Evaporation

• The change of state from gas to a liquid.

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9-12-PS3.A-3

​ (a)   is the gaseous state of a substance that is solid or liquid at room temperature.

• Vapor
• Heat
• Particals
• Gas
• Evaporation

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9-12-PS3.A-3

Reorder the following intermolecular forces from weakest to strongest.

• Hydrogen Bonding forces

• London Dispersion forces

• Dipole - Dipole forces

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9-12-PS3.A-3

Match the following intermolecular forces with its definition.

• Dipole-dipole

• the weakest intermolecular forces that occur between all molecules as a result of the motion of electrons; nonpolar molecules are only attracted to each other via London dispersion forces

• Hydrogen bonding

• attractive forces that occur between polar molecules (dipoles); the positive end of one dipole is attracted to the negative end of a neighboring dipole

• London dispersion

• an intermolecular attractive force in which a hydrogen atom that is covalently bonded to a small, highly electronegative atom is attracted to a lone pair of electrons on an atom in a neighboring molecule.

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9-12-PS3.A-3

The amount of a particular substance that is required to form a saturated solution in a given amount of solvent at a specified temperature.

• Solubility

• Salt

• Solvent

• Compound

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9-12-PS3.A-3

When a reaction is occurring in both directions and at the same rate.

• Vapor pressure

• Condensation

• Evaporation

• Dynamic equilibrium

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9-12-PS3.A-3

​ (a)   is any part of a sample that has a uniform composition and properties.​

• Vapor pressure
• Dynamic equilibrium
• Normal boiling point
• Atmospheric pressure

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9-12-PS3.A-3

​ (a)   is the temperature at which the vapor pressure of a liquid is equal to the external pressure. ​ (b)   is the temperature at which the vapor pressure of a liquid is equal to standard pressure (1 atm).

• Boiling point
• Normal boiling point
• Dynamic equilibrium
• Atmospheric pressure

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9-12-PS3.A-3