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Worksheetsenergy and phase changes
Total questions: 10
Worksheet time: 7mins
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
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
(a)
when energy is added, attractions are (a)
what phase change is represented by the particle diagram?
gas to solid
liquid to gas
solid to liquid
solid to gas
Which of the following describes an exothermic change
sublimation
vaporization
condensation
melting
Water boils at a lower temperature at higher altitudes because of lower (a) pressure
Which will have the most attractive forces
Ar -186
CH4 - 161
CCl4 77
CH3CN 82
