Density is theamount of issue in a given unit the volume. It deserve to be measure in gramsper cubic centimeter (g/cm3). It is a measure of just how tightlypacked the atoms of a substance are. When we say the ice is less densethan water, we mean that the water molecule are more tightly packed when theyare in the liquid state. The formula for determining density is

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One always hears the muscle is denser the fat.This method that I deserve to work out, not lose weight and still lose inches offmy waist. This is due to the fact that 1 poundof muscle will take up less an are than 1 pound of fat.

Mass is generally measured in grams.Volume is typically measured in ml which is the same thing together cm3(or cubic centimeters the cc. 1 ml =1 cm3 = 1 cc)

The thickness of water is 1.00 g/ml.


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The thickness of part common elements are shown below:

Densities the selected elements


element

density (g/cm3)

appearance

aluminum

2.70

silvery white, metallic

antimony

6.68

silvery white, metallic

cadmium

8.64

silvery white, metallic

carbon (graphite)

2.25

black, dull

chromium

7.2

steel gray, hard

cobalt

8.9

silvery gray, metallic

Copper

Gold

8.92

19.3

reddish, metallic

yellow, metallic

iron

7.86

silver, metallic

lead

11.3

silvery-bluish white, soft, metallic

manganese

7.2

gray pink, metallic

Nickel

Platinum

8.9

21.4

silver, metallic

silver, metallic

silicon

2.32

steel gray, crystalline

silver

10.5

silver, metallic

tin (gray)

5.75

gray

tin (white)

7.28

white metallic

Zinc

7.14

bluish white, metallic


Sample problem:A solid has actually a fixed of 128 g. Itis a rectangular solid 1.0 cm by 2.0 cm by 3.0 cm.What is the thickness of the solid and also what steel is it?

Volume = length x width x height = 1cm x 2 cm x 3 centimeter = 6 cm3 or 6 ml.

D= M/V = 128 g / 6 ml=21.4 g/ml

The steel must be platinum!

One deserve to see the usefulness the densities for determiningtypes of steels at this gimpppa.org site: