WHAT ARE ALKANES ?
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ALKANES ARE MOLECULES MADE OF CARBON & HYDRON ATOMS
THAT ALL HAVE THE GENERAL FORMULA,
( N )CBN+ ( 2N+2 )HDR
WHEREIN: N = THE NUMBER OF CARBON ATOMS
METHANE IS THE SMALLEST ALKANE, ITS FORMULA IS
1.CBN + 4.HDR
N = 1 & 2N+2 = 4
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THE ALKANE GASES
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TETRA-HEDRON MODEL
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MOLECULAR FORM
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DESCRIPTION
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WHEN ONE ATOM OF CARBON COMBINES
WITH 4 ATOMS OF THE GAS HYDRON THEY MAKE
A MOLECULE OF THE GAS METHANE
METHANE IS ALSO CALLED SWAMP GAS,
BECAUSE IT IS CREATED
BY THE DECOMPOSTION OF GRASSES & PLANTS.
METHANE:
1.CBN+4.HDR=CH4
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ETHANE IS A NATURAL GAS
USED BY PLANTS IN THEIR LEAVES
IT HAS 2 CARBON ATOMS & 6 HYDRON ATOMS
ETHANE :
2.CBN+6.HDR = H3C+CH3
THE METHYLS: H3C & CH3
ARE ALSO WRITTEN:
HCH2 & H2CH
IN STRUCTURAL FORMULAS
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PROPANE IS A NATURAL OR SYNTHETIC GAS
USED AS A COOKING GAS & HEATING FUEL
IT HAS 3 CARBON ATOMS & 8 HYDRON ATOMS
PROPANE:
3.CBN+8.HDR = H3C+CH2+CH3
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BUTANE IS A NATURAL GAS OR
A SYNTHETIC GAS MADE FROM PETROLEUM
IT IS USED AS A FUEL IN BUSES & AIRPLANES,
BUTANE IS NOT A GOOD COOKING GAS
BECAUSE IT CAUSES CYSTS IN WOMEN
IT HAS 4 CARBON ATOMS & 10 HYDRON ATOMS
BUTANE:
4.CBN+10.HDR = H3C+CH2+CH2+CH3
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PENTANE IS A SYNTHETIC GAS
MADE FROM NATURAL PETROLEUM OILS
IT IS USED IN MANY BUSES
IT HAS 5 CARBON ATOMS & 12 HYDRON ATOMS
PENTANE = 5.CBN+12.HDR
=
H3C+CH2+CH2+CH2+CH3
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TETRA METHYL METHANE GAS
IS A NATURAL ALKANE MADE BY PINE TREES
IT IS USED,IN THEIR BARK & PINE CONES
AS A NATURAL ANTI-RODENT PESTICIDE
IT IS ALSO A PENTANE ALKANE ISOMER
THAT IS USED,IN MANY MAN MADE SPRAYS
USED TO DESTROY RATS & FLEAS
TETRA METHYL METHANE:
5.CBN+12.HDR
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A  A
AUTOMOBILE FUELS
AA
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TETRA-HEDRON MODELS
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MOLECULE
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DESCRIPTION
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PETROLEUM CHEMISTS CALL THIS MOLECULE
BORE 7 HEPTANE & OR NATURAL HEPTANE
IT IS TYPE OF GASOLINE USED IN THE MOTORS
OF VEHICLES WITH LARGE CYLINDER HEADS
HEPTANE = 7.CBN+16.HDR
=
H3C+CH2+CH2+CH2+CH2+CH2+CH3
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CH3
+
H3C + H2C + C + CH2 + CH3
+
CH3
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PETROLEUM CHEMISTS CALL THIS MOLECULE
BOTH, BORE HEPTANE & ISOHEPTANE
BECAUSE THE TWO CENTRAL METHYLS
ARE SPACED EQUALLY FROM BOTH ENDS.
IT IS USED BY MORE MOTORISTS THAN
ANY OTHER FORM OF AUTOMOTIVE FUEL
IUPAC CALLS THIS MOLECULE
3,3 DIMETHYL PENTANE BECAUSE THE
2 METHYLS ARE ON THE 3rd CARBON.
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THE FASTEST POLICE CARS
USE THIS LONG BORE
SPECIAL GASOLINE
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CH3 CH3
+ +
H3C + C + CH2 + C + CH3
+ +
CH3 CH3
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PETROLEUM CHEMISTS CALL THIS MOLECULE
4-5 ISO-NONANE
IT IS USED IN TAXIS & LARGE VANS FLEET FUELS,
FOR MOTORS WITH LONG CYLINDER HEADS.
IT REQUIRES, PERFECT TIMING
AND CLEAN AIR FILTERS.
IT IS ALSO USED IN, SMALL SHIP MOTORS,
LARGE OUTBOARD MOTORS, FARM TRACTORS
HELICOPTERS & POLICE MOTOR CYCLES.
[ IUPAC CALLS IT: 2.2,4.2 TETRA METHYL PENTANE ]
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ISO-UNDECANE
11.CBN: + 24.HDR:
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PETROLEUM CHEMISTS CALL THIS FUEL
HIGH BORE UNDECANE & ISO-UNDECANE
IT IS THE SEMI-DIESEL GASOLINE USED
BY ALL JAPANESE TRUCKS, FRENCH TRAINS.
& IN ITALIAN MID-SIZE AUTOS
CH3 CH3 CH3
+ + +
H3C + C + C + C + CH3
+ + +
CH3 CH3 CH3
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W 
WAXES - PARAFFINS
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DODECANEL IS THE WAX ON CUCUMBERS,
CORN COB SEEDS & SPAGHETTI SQUASH.
ITS DISCOVERY, BY MARTIN & WIESE LED TO
THE CREATION OF MANY SEALING WAXES,
USED ON GLASS JARS & PAPER CUPS.
DODECANEL = 12.CBN + 26.HDR
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HEXA-DECANEL IS HARDENED BEES WAX
THE DISCOVERY OF THE EXACT FORMULA
FOR BEES WAX,LED TO THE CREATION OF
ALL THE AUTOMOBILE WAXES, MOTOR OILS,
AND HEAVY WAX BASE GREASES, USED IN
THE AUTOMOTIVE & TRUCKING INDUSTRY.
HEXA-DECANEL = 16.CBN + 34.HDR
SOON AFTER, WAXES BEGAN TO CALLED,
PARAFFINS BECAUSE THEIR MOLECULES
ALL HAVE PAIRED, BRANCHING SIDE FINS
AS YOU CAN SEE BELOW,ON THE LARGEST
OF THE PARAFFINS FOUND IN PETROLEUM
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THIS IS THE 42 CARBON, DO-TETRA-CONTANE JAR SEALING WAX,
TAKEN FROM PETROLEUM OIL FROM INDIA, CALLED SEALANE 42
SEALANE 42 = 42.CBN + 86.HDR
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THIS IS THE NATURAL CARNUBA WAX THAT IS USED IN AUTO WAXES
IT IS A 18 CARBON NATURAL ALKANE PARAFFIN
CARNUBANE = 18.CBN + 38.HDR
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IMPORTANT MOTOR OILS & LUBRICANTS
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DECANEL IS A 10 CARBON AUTOMOBILE OIL
NORMALLY CALLED 10-40-10. IT IS MADE FROM
THE LIGHT SWEET CRUDE OIL OF DENMARK
& LOUISIANNA PETROLEUM DISTILLATES.
DECANEL = 10.CBN + 22.HDR
DECANEL IS THE MOTOR OIL,THAT HAS THE
LONGEST, LONGEVITY OF ALL MOTOR OILS
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OCTA DECANEL IS A DIESEL OIL OF NORWAY
IT IS USED BY BUSES, RAILROAD TRAINS
& SMALL POWER COMPANYS, IN EUROPE,
CEYLON-LANKA AND LATIN AMERICA
IT MUST BE PREHEATED TO 248°C
BEFORE BEING USED OR IT CREATES
A THICK BLACK, SMOG MAKING EXHAUST,
THAT NORMALLY LEADS TO THE DEATH
OF MOST RAILROAD ENGINEERS AND
BRIDGE WORKERS FROM EMPHYSEMA
ISO-OCTADECANE
OCTA DECANEL = 18.CBN + 38.HDR
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LESSON REVIEW
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• NATURAL PETROLEUM, WHEN IT IS BROUGHT FROM THE EARTH,
CAN CONTAIN FROM 24 TO OVER 100 DIFFERENT SIZED ALKANES.
• COOKING GASES, AUTO FUELS, OILS, LUBRICANTS, WAXES & PARAFFINS
ARE COMMONLY USED ALKANES,THAT ARE FOUND,IN PETROLEUM.
• THE ONES SHOWN ABOVE,ACCOUNT FOR 96% OF ALL PETROLEUM
SOURCED, HYDRO-CARBON, PETROLEUM PRODUCTS NOW MADE.
• THE ALKANES ARE ALL CALLED, SATURATED HYDROCARBONS
ALKANES ALL HAVE THE GENERAL FORMULA
( N )CBN + ( 2N+2 )HDR
• ALKANES ARE NOT THE ONLY TYPES OF HYDRO-CARBON MOLECULES
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