is how the molecules move in a solid, liquid or gas.
100
What does PTV stand for?
Pressure, Temperature, Volume
100
what is the formula to find the density?
the formula is mass/volume
200
what is the type of matter when the molecules vibrate against each other?
its a solid
200
What happens to volume when pressure and temperature rises?
the volumes remain the same
200
If you have a mineral sample with a volume of 4 ml and a mass of 20 grams, what is the density?
the density is 5
20/4=5
20 is mass
4 is the volume
300
how does heat effect molecular motion?
when the heat amd temperature rises it causes the molecules in a substances to gain energy so they will start moving faster.
300
If the temperature of a gas increased, and the volume stayed the same, what would happen to the pressure of that gas?
Pressure would increase.
300
what are the three forms of matter?
solid ,liquid,and gass
400
what is a substance that has definite volume but no definite shape
it is a Gas
400
In order for there to be a change in either PT or V, what has to happen?
One of them has to remain constant.
400
A cereal manufacturer creates a new cereal with a density of 1.25 g/ml. She then measures out
75 ml of milk with a mass of 85 grams. Will the cereal float or sink in the milk?
yes. The density of the cereal is greater than the density of milk.
500
how does molecular motion relate diffusion?
diffusion is cause by molecular motion.
500
when Pressure increases and Volume decreases What happens to Pressure and Volume when temperature remains constant?
Pressure increases and Volume decreases
500
A piece of wood that measures 3.0 cm by 6.0 cm by 4.0 cm has a mass of 80.0 grams.
What is the density of the wood? Would the piece of wood float in water?
1.1g/cm3; No, it would not float on water
(volume= L times width times height)