The phase in which a gas changes into a liquid; it releases heat energy to the surroundings.
100
What is a physical change?
Change in the physical properties of a substance without changing the substance itself.
100
What is sublimation?
The phase change in which a solid becomes a gas, without becoming a liquid first.
100
What phase of matter has a definite volume but no definite shape?
Liquid.
200
At what temperature does water boil?
100 degrees Celsius or 212 degrees Fahrenheit
200
What is density?
The amount of mass in a given volume.
200
What is solubility?
The amount of a substance that will dissolve in a given amount of another substance.
200
What is temperature?
The measurement of the average energy of motion of the particles of matter in a substance.
200
What process lets you see your breath when its cold out?
Condensation.
300
What is melting point?
The point at which a solid turns into a liquid.
300
What is deposition?
The physical change in which a gas becomes a solid without becoming a liquid first.
300
What is a solute?
The substance dissolved by a solvent to form a solution.
300
What is vapor pressure?
The pressure exerted by a vapor.
300
Lead has a density of 11.3g/cm3. What volume of lead has a mass of 226 grams?
20cm cubed
400
What temperature is water's melting point?
0 degrees Celsius or 32 degrees Fahrenheit.
400
What is heat energy?
The form of energy arriving from motion of all particles in the system.
400
What is a solution?
A mixture in which a solute is dissolved by a solvent.
400
What is vaporization?
The phase in which a liquid changes to a gas.
400
Dr. B wants to find the average energy of motion of the particles within a block of steel. What property is he trying to find?
Temperature.
500
What is a phase?
The state of matter.
500
What is mass?
The amount of matter something has.
500
What is a solvent?
The substance that dissolves a solute to form a solution.
500
What is volume?
The amount of space an object or substance takes up.
500
Estella investigated the properties of a grayish, shiny metal, with a volume of 85 cubic cm and a mass of 212.5 grams. What is the density of the substance?