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建立人际资源圈Density_Of_Liquids_And_Solids
2013-11-13 来源: 类别: 更多范文
Density Of Liquids And Solids
Density of liquids and solids
Density is the amount of a substance contained within a specific area. Density is the mass divided by its volume and is expressed in units like grams per cubic centimeter or pounds per cubic foot. Density measured in units of g/ml is also known as specific gravity. Specific gravity is defined as the density of a given object divided by the density of pure water at 4'C. Because the density of pure water at 4'C is exactly one g/ml, the specific gravity of an object is simply its density divided by 1 g/ml.
Density can be measured in lots of ways. Solids are weighed to determine its mass then put in water to measure the volume. From that point its mass and volume are divided to give you the density of the solid.
To find the mass of a liquid you must first measure the container that you are going to put the liquid in. Put the liquid in the container and find the measurement. Subtract the weight of the container and you will have the mass of the liquid. The volume of a liquid can be determined
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