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How is the density different from mass and volume?
Density is a measure of how much mass is contained in a given volume of a substance. Mass is the amount of matter in an object, while volume is the amount of space that an object occupies. Density is calculated by dividing the mass of an object by its volume.
Does the amount of liquid displaced by an object depend on the object's mass?
No. It depends on the amount of space the object occupies, which is known as its "volume".Within that volume, it may have a large mass, a small mass, or an in-between mass, depending onwhat substance comprises the object. In each case, it would displace the same amount of liquid.In fact, where the question uses the slippery word "amount", it's really talking about "volume" of liquid.
How and why would you use a beaker to measure the density of an object?
A beaker filled with liquid can be used to measure the volume of a non-soluble solid, or of a liquid. If the mass of the solid or liquid sample has been previously determined, the liquid (usually water) displaced from a filled beaker will provide the volume of the sample. Mass divided by volume gives the density. One of the early uses of the process was to identify counterfeit gold coins. In order to weigh the same as real gold coins, fakes would have to be thicker, and therefore have greater volume.
What are the systeme international units of mass of volume and of density?
MKS - metre, kilogramme, second. Volume is a cube of a distance, so the MKS system uses cubic metres, but often cheats and uses litres(cubic decimetres). Density is mass divided by volume, so the MKS unit is kilos per cubic metre - but that too is seldom used.
What are some practical uses of density?
A practical use for density is finding the mass or volume of an object. To find out that mass, say you already have the volume and the density, you would do M = DxV. To find out volume, say you already have mass and the density, you would do V = M/D (/ means divide by the way)
A student makes scale models of the subatomic particles. He uses an object with a mass of 1 g to represent an electron. Approximately what mass should the object have that he uses to represent the pro?
The mass of a proton is roughly 1836 times that of an electron. So, the object representing a proton should have a mass of about 1836 grams.
What is the mass of a known volume of a substance measured in grams or kilograms?
Mass and volume use different units of measure. Mass uses grams as a unit of measurement; however 1000 grams equals 1 kilogram. Volume is measure by liters.
How you measure density?
You measure the mass and you measure the volume. You divide the mass by the volume. If you have uses International Units then you will get the specific mass or density (kg/l = g/cm2 = g/ml = tons /m3)
What is the instrument used to find density?
Any instruments that can measure mass and length. (not at the same time, doesnt have to be the same instrument). By measuring the length, height and width of an object you can determine it's volume and by weighing it you can determine it's mass. From these results it's possible to calculate the objects density.
What is density temperature volume and mass?
Density is the degree of compactness of a substance; that is, the degree of consistency measured by the quantity of mass per unit volume. Temperature is the degree or intensity of heat present in a substance or object, especially as expressed according to a comparative scale. Volume is the amount of space that a substance or object occupies, or that is enclosed within a container. Volume is also the quantity or power of sound; degree of loudness. Mass is the quantity of matter that a body contains, as measured by its acceleration under a given force or by the force exerted on it by a gravitational field.
A student makes scale models of the subatomic particles. He uses an object with a mass of 1 g to represent an electron. Approximately what mass should the object have that he uses to represent the proton?
Approximately 1836 times greater, so the object representing a proton should have a mass of about 1836 g (1 g * 1836 = 1836 g).
Is mass a measure of force of gravity acting on the object?
No, mass is a measure of the amount of matter in an object, while weight is the force of gravity acting on an object with a certain mass. Weight is proportional to mass, but they are not the same thing.
