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Density is described by mass per unit volume.
The equation for density is ρ = m/v
where:
ρ = density
m = mass
v = volume
The SI unit is kg/m3 (this is widely used) or g/cm3
The imperial (U.S.) unit is lb/ft3 or slugs/ft3
Some useful conversions:
1000 kg/m3 = 1 g/cm3 = 1000 g/L = 62.4 lb/ft3
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What is the only way the density of a pure substance can change?
The density of a pure substance can change by altering its temperature. As temperature increases, most substances expand and therefore decrease in density, whereas as temperature decreases, most substances contract and increase in density.
What is the correct way to abbreviate Ph.D?
The correct way to abbreviate it is: Ph.D.--with a period after the lowercase h and a period after the D
What is a good way to remember the word density?
Think of density as how crowded or packed something is. You can remember it by visualizing a crowded city (high density) versus a rural area with more space between houses (low density).
At what temperature does maximum density occur?
The maximum density of water occurs at 4 degrees Celsius (39.2 degrees Fahrenheit). At this temperature, water molecules are arranged in a way that allows for the highest density before expanding and becoming less dense as it freezes into ice.
Is this true does density is weight per unit volume?
Density can be defined that way, but it is more common to use another kind of density: mass per unit volume.
