nicole brandt what are alkanes? the simplest of organic molecules, comprising of only carbon and...
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Nicole Brandt
Alkanes
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What are Alkanes?
The simplest of organic molecules, comprising of only carbon and hydrogen and with only single
bonds between carbon atoms.
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More information about Alkanes
Also known as a Paraffin, an Alkane does not dissolve in water, but does dissolve in an organic solvent. For example: Oil not dissolving in water
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Some basic Alkanes include: Ethane
Propane
MethaneButane
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Products containing Alkane Plastics: Paints:
Drugs: Cosmetics:
Detergent: Insecticides:
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Facts about Methane
• Odorless• Invisible• Combustible • Methane is the simplest alkane • Ranks second as a green house gas
next to carbon dioxide (CO2)
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Facts about Propane• Exists as a liquid and a gas • Used in 48 million households and
businesses. • 270x more compactable as a liquid
than gas • Kept at an atmospheric pressure and
temperature above -44℉ is:1. Odorless2. Invisible3. Non-Toxic4. Combustible
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Facts about Ethane
• Odorless• Colorless• Can be soluble in polar substances
(like water) • Highly Combustible • Widely used for quickening the
process of food ripening • Used as a refrigerant in refrigeration
systems along with butane
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Facts about Butane
• Usually found in a bottled form sold for camping stoves, out-door powered grills and cigarette lighters.
• Added to gasoline to boost performance • When compressed it becomes a liquid;
however, when it is released into the air and reacts with an ignition source it becomes an extremely flammable gas.
• Only releases CO2 as a waste product as apposed to CO.
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List of
Alkanes
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Additional Facts
• Alkanes have the general chemical formula CnH2n+2.
• Chemically; alkanes are relatively unreactive.
• They are obtained by fractional distillation from petroleum and are used extensively as fuels.
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Cartoon • https://www.youtube.com/watch?v=w4hv4B-Ca8I
• https://www.youtube.com/watch?v=anrfDiEA1AA
Video
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Questions
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What ranks 2nd as a greenhouse gas?
• a) Methane• b) Carbon• c) Carbon Dioxide • d) Ethane
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What is used as a refrigerant in Refrigeration systems?
• a) Propane• b) Methane • c) Ethane • d) Heptane
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Which of these are commonly used to heat households?
• a) Pentane• b) Propane• c) Ethane • d) Heptane
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What are the simplest of organic molecules?
• a) Alkaline • b) Alkanes• c) Alkalis• d) Atoms
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Which of these are Alkanes NOT soluble in?
• a) Acetone• b) Acetic Acid • c) Chloroform • d) Water
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Reference Sheet • http://www.barrygray.pwp.blueyonder.co.uk/Tutoring/Tutpix/OrgChem/Alkanes.gif• http://pictures.dealer.com/p/planetsubarusne/
1953/736af48d0a0d028a01c68b2015f22a7a.jpg• http://hyperphysics.phy-astr.gsu.edu/hbase/organic/alkane.html• http://www.meritnation.com/app/webroot/img/shared/content_ck_images/images/
propane.png• http://pixgood.com/methane-molecule.html • http://www.funtrivia.com/en/subtopics/Alkanes-264132.html• http://www.encyclopedia.com/topic/methane.aspx• http://www.npga.org/files/public/Facts_About_Propane.pdf• http://www.innovateus.net/science/what-ethane • http://www.eastcentral.edu/common/depts/bi/generalbiologymodels.php • http://www.homedit.com/eco-friendly-wall-paints/• http://www.samsclub.com/sams/laundry-detergent/1110167.cp• http://www.wisegeek.org/what-is-butane.htm • http://spi2uk.itvnet.lv/upload2/articles/68/683391/images/_origin_Pasaizdegsanas-
jeb-4.jpg• http://i.ytimg.com/vi/gJEomNzUy_E/0.jpg • http://www.encyclopedia.com/topic/alkane.aspx