the temperature at which a substance begins to change from a liquid to gas
100
what is mass
the amount of matter in something
100
what is solute
the substance dissolved into or by a solvent to form a solution
100
what is vapor pressure
the pressure exerted by a vapor
100
Estella investigated the properties of a grayish shiny metal with a volume of 85 cubic centimeters and a mass of 212.5 grams, what is the density of the substance?
2.5 g/cm3
200
what is condensation
the phases when gas turns into a liquid
200
what is melting point
the temperature at which a substance begins to change from a solid to a liquid
200
what is a solution
a mixture in which a solute is dissolved a solvent
200
what is vaporization
the phase change in which a liquid changes into a gas
200
Dr. Boltzmann wants to find the average energy of motion of the particles within a block of steel. What property of the steel is Dr. Boltzmann trying to find?
volume
300
what is density
amount of mass in a given volume
300
what is a phase
a statement of matter
300
what is a solvent
the substance that dissolves a solute to form a solution
300
what is volume
the amount of space an object or substance takes up
300
Lead has a density of 11.3 g/cm3. What volume of lead has a mass of 226 g?
20 cm3
400
what is deposition
the phase is changed in which a gas becomes a solid
400
what is physical change
change in physical properties of a substance
400
what is sublimation
the phase change in which a solid becomes a gas
400
why do you think temperature is the measure of the average energy of motion of all the particles within a substance?
Because of all the particles move in different speeds
400
What phase of matter has a definite volume but no definite shape?
gas
500
what is heat energy
the form of energy rising from the particles in a system
500
what is solubility
the amount of substance that will dissolve in a given amount of another substance
500
what is temperature
the measurement of the average energy of motion
500
What will happen if you put a balloon inflated at room temperature into a freezer?
The balloon will freeze because the rubber will be too cold
500
What process lets you see your breath when the air is cold?