2016-3-9. Graphite Graphite is made up of carbon atoms. Chemical formula: C It is an allotrope of...
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Transcript of 2016-3-9. Graphite Graphite is made up of carbon atoms. Chemical formula: C It is an allotrope of...
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Graphite•Graphite is made up of carbon atoms.
• Chemical formula: C•It is an allotrope of carbon. Ex. Graphite vs. Diamond Graphite has the same chemical composition as Diamond, the molecular structure of Graphite and Diamond is entirely different.
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Graphite•Color : silver gray to black•Streak: grayish black
Luster: metallic or earthy luster
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Hardness : Graphite has a Mohs hardness number of between 1 and 2*Greasy feel
Cleavage: good, one direction
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Magnetism: no
•Effervescence: no
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Common Use1.It is used in thermochemistry as the standard state for defining the heat of formation of carbon compounds.2.Some golf clubs are made out of graphite.
==> lighter & further shots & more yards
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Common Use3.The Piano manufacturing process of wooden parts used to use graphite as a lubricant to reduce friction.4. It is used to make the brushes for electric motors and generators.5. it has wide use as an electrode in a number of applications, primarily batteries.
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What do we use daily that contains graphite?
PENCILS! The "lead" filling in pencils is in fact composed of a mixture of graphite and clay. If it was real lead, it would be very dangerous.
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http://www.minerals.net/mineral/graphite.aspxhttp://www.answers.com/Q/What_do_you_use_graphite_forhttp://en.wikipedia.org/wiki/Graphitehttp://en.wikipedia.org/wiki/File:Graphite-unit-cell-3D-balls.png
Bibliography
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Thanks for watching!