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3 cards from this section. Quick, good the night before a test.
Define density and provide its mathematical formula.
Think about how mass relates to volume.
What does specific gravity tell us?
Remember that water has a specific gravity of 1.
What formula is used to calculate density?
Recall the basic definition of density.
True or False: Specific gravity is a dimensionless quantity.
Think about the units involved in the ratio.
A tank holds water with a density of 1000 kg/m³ and oil with a density of 800 kg/m³. If the tank has equal volumes of both liquids, what will be the density of the combined liquid in the tank?
Consider the definition of an average density based on volume.
If the specific gravity of a substance is 2.5, what is its density in kg/m³?
Use the fact that the density of water is 1000 kg/m³ to find your answer.
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