the temperature at which a substance begins to change phases from liguid to gas.
100
What is the definition of mass?
the amount of matter in something
100
What is the definition of solute?
the substance dissolved by a solvent to form a solution.
100
What is the definition of 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?
2.5 g/cm^3
200
What is the definition of condensation?
the phase change in which a gas changes to a liquid
200
What is the definition of melting point?
the temperature at which a substance begins to change phases from solid to liquid
200
What is the definition of solution?
a mixture in which a solute is dissolved by a solvent.
200
What is the definition of vaporization?
the phase change in which a liquid changes to 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.
Temperature
300
What is the definition of density?
the amount of mass in a given volume
300
What is the definition of phase?
a state of matter
300
What is the definition of solvent?
the substance that dissolves a solute
300
What is the definition of volume?
the amount of space an object or substance takes up
300
Lead has a density of 11.3 g/cm^3. What volume of lead has a mass of 226 grams.
20 centimeters cubed
400
What is the definition of deposition?
the phase change in which a gas changes to a solid.
400
What is the definition of physical change?
a change in physical properties of a substance such as mass, volume, shape, or density with out changing the substance itself.
400
What is the definition of sublimation?
the phase change in which a solid becomes a gas by passing the liquid phase
400
What is the density of a cube with sides of 4 centimeters and a mass of 512 grams?
128 g/cm^3
400
What phase of matter has a definite volume but no definite shape?
liquid
500
What is the definition of heat energy?
the form of energy rising from the motion of all particles in a system.
500
What is the definition of solubility?
the amount of a substance that would dissolve in another substance.
500
What is the definition of temperature?
the measurement of the average energy in motion of the particles of matter in a substance.
500
At sea level water boils at 100 degrees celsius. On top of Mt. Everest, water boils at 71 degrees celsius. Explain the difference.
Air pressure decreases without altitude
500
What process lets you see your breath when the air is cold?