Density.

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A Look at Density and How to Calculate It.

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Presentation transcript:

Density

Density A measure of the amount of mass in a certain volume or space Density is a ________ property of matter Density of an object stays the same Density physical

Density is usually expressed as grams per cubic centimeter; g/cm3 OR as grams per milliliter; g/mL Formula: Density = mass Volume D = m V

Ice and Water Ice (0.93 g/cm3)is less dense than water (1 g/cm3), therefore ice floats in water.

Density of Water and Oil Density of Water = 1 g/mL Density of Oil = 0.92 g/mL The oil is less dense than the water, therefore the oil floats on top of the water.

Example What is the density of a can of soda that has a volume of 100 mL and a mass of 150 g? Step 1: Equation Step 2: Substitute Step 3: Solve D= M V D= 150g 100 mL D= 1.5 g/mL

The volume of a cup of oil is 50 mL and it’s mass is 75 g The volume of a cup of oil is 50 mL and it’s mass is 75 g. What is the density of the cup of oil?