Phases and Phase Changes

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

Solids

Back (Answer)

Fixed shape and volume. Particles do not flow and move past one another.

Front (Question)

Amorphous solids

Back (Answer)

No order to their particles. Stop, but are not as rigid as crystalline solids EX) glass, rubbers and plastics

Front (Question)

Crystalline solids

Back (Answer)

Packed in an ordered manner with a pattern EX) salt

Front (Question)

4 types of Crystalline solids

Back (Answer)

Ionic, molecular, covalent network, and metallic solids

Front (Question)

Ionic solids

Back (Answer)

Made up of ionic compounds like sodium chloride. The particles are ordered to encourage electrostatic reactions

Front (Question)

Molecular solids

Back (Answer)

molecules held together by non-ionic intermolecular forces EX) ice

Front (Question)

Covalent network solids

Back (Answer)

Held together by covalent bonds EX) diamond

Front (Question)

Metallic solids

Back (Answer)

metal atoms held together by metallic bonds. The delocalized valence electrons in metallic solids are what allow metals to conduct heat EX) gold

Front (Question)

Liquids

Back (Answer)

Have no fixed shape, are hard to compress, and flow readily

#10

Front (Question)

Viscosity

Back (Answer)

The resistance of liquid to flow EX) honey

#11

Front (Question)

Surface tension

Back (Answer)

amount of energy needed to increase the surface area of a liquid. Created by intermolecular forces.

#12

Front (Question)

Adhesive forces

Back (Answer)

the attraction of molecules of two different substances. cohesive and adhesive forces act together to produce capillary action (movement of liquid against force of gravity against side of a glass)

#13

Front (Question)

Gases

Back (Answer)

No fixed shape, flow readily, are compressible and expandable

#14

Front (Question)

Pressure equation and units

Back (Answer)

P=Force/ Area Pascal (N/m^2)

#15

Front (Question)

The process of a solid transforming into a liquid

Back (Answer)

Fussion or melting

#16

Front (Question)

The process of a liquid transforming into a gas

Back (Answer)

Vaporization

#17

Front (Question)

The process of a gas transforming into a liquid

Back (Answer)

Condensation

#18

Front (Question)

The process of a liquid transforming into a solid

Back (Answer)

Freezing

#19

Front (Question)

The process of a solid transforming into a gas

Back (Answer)

Sublimation

#20

Front (Question)

The process of a gas transforming into a solid

Back (Answer)

Deposition

#21

Front (Question)

Gibbs Free Energy, how to tell when its spon or non-spon

Back (Answer)

G > 0 = non-spon G < 0 = spon

#22

Front (Question)

Gibbs free energy equation

Back (Answer)

G= H - TS H=enthalpy T= temperature S= entropy

#23

Front (Question)

How is enthalpy and entropy changed when turning a solid into a liquid or liquid into gas?

Back (Answer)

Add heat, +H +S

#24

Front (Question)

Is an increase or decrease in entropy (S) and enthalpy (H) thermodynamically favored?

Back (Answer)

Increase S because it contributes to a more negative G Decrease H