energy and phase changes

What is sublimation

• When a solid passes directly to a liquid

• When a solid passes directly to a gas

• When a liquid passes directly to a gas

• When a gas passes directly to a solid

Which of these describes a gas

• definite shape and volume

• definite shape, indefinite volume

• indefinite shape, indefinite volume

Liquids turn to gases through which two processes

• Condensation and evaporation

• Boiling and evaporation

• boiling and condensation

• freezing and boiling

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which describes kinetic energy

• energy of weight

• energy of mass

• energy of motion

• energy of the space between the particles

What is temperature? The average ______ ______ of particles

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

when energy is added, attractions are _____

what phase change is represented by the particle diagram?

• gas to solid

• liquid to gas

• solid to liquid

• solid to gas

Tags

NGSS.MS-PS1-4

Which of the following describes an exothermic change

• sublimation

• vaporization

• condensation

• melting

Water boils at a lower temperature at higher altitudes because of lower _____ pressure

Which will have the most attractive forces

• Ar -186

• CH₄ - 161

• CCl₄ 77

• CH₃CN 82