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Solid, Liquid or Gas?
Nature of Gases
Nature of Liquids
Nature of Solids
Phase Changes
100
Particles are rapidly moving in a random, constant motion.
What is a gas?
100
The SI unit of pressure
What is the pascal?
100
Conversion of liquid to gas or vapor
What is evaporation?
100
Relationship between melting and freezing point
What is the same temperature?
100
liquid to solid
What is freezing?
200
Particles are fixed in orderly arrangements
What is a solid?
200
Energy of motion
What is kinetic energy?
200
The difference between gases and liquids
What is intermolecular attractions?
200
Particles are arranged in an orderly, repeating pattern
What is crystal?
200
liquid to gas
What is vaporization?
300
The phase/s of matter that are considered to be fluids.
What is a gas and liquid?
300
Temperature at which particles cease to move
What is absolute zero?
300
The reason sweating keeps you cool...
What is evaporation of perspiration causes the temperature of the remaining sweat to decrease which cools the body?
300
The melting point of gallium is 30C. What phase(s) of gallium are present at 30C?
What is solid and liquid?
300
gas to liquid
What is condensation?
400
Water at 1 degree Celsius
What is a liquid?
400
A device that is used to measure atmospheric pressure.
What is a barometer?
400
As temperature is increased the vapor pressure ______________.
What is increases?
400
The speed at which particles in a solid move: fast, medium, slow, not really moving.
What is not really moving?
400
solid to vapor
What is sublimation?
500
Water at 393K
What is a gas?
500
STP stands for ______________. The values are ______ and _______.
What is standard temperature and pressure. 101.3kPa and 0C
500
Boiling point decreases as altitude _______________.
What is increases?
500
Higher melting point: molecular or ionic solids?
What is ionic because stronger forces hold them together?
500
set of conditions in which all three phases are in equilibrium
What is the triple point?