Organic Chem= Petroleum

Question 1

what is petroleum

Answer 1

thick, dark liquid, 5-25 carbons

Question 2

what is natural gas

Answer 2

methane, some ethane/propane and butane

Question 3

what is crude oil

Answer 3

remains of marine organisms under ocean sediments

Question 4

where do the shortest hydrocarbons condense

Answer 4

at the lowest temperature

Question 5

what is fractional distillation column

Answer 5

a process where fractions of crude oil are obtained as liquids through heating

Question 6

process of fractional distillation

Answer 6

• crude oil is heated
• turned into gas
• fraction obtained +liquified (when they hit their boiling/cooling points)

Question 7

products at 20.c

Answer 7

c1 to c4 gases: petroleum gas

Question 8

products at 70.c

Answer 8

C5 to C10 chemicals

Question 9

products at 120.c

Answer 9

c5 to c10 petrol

Question 10

products at 170.c

Answer 10

c10 to c16 jet fuels

Question 11

products at 270.c

Answer 11

c14 to c20 diesel fuels

Question 12

products at 270+ c.

Answer 12

c20 to c50 oils, waxes

Question 13

products at 600.c

Answer 13

c20 to c70 ship fuels, factories

Question 14

600+ c.

Answer 14

residue (for road and roofing

Question 15

what is pyrolitic cracking

Answer 15

process by which the heavier fractions are heated (up to 700 degrees) which cause them to break into the smaller molecules characters of the gasoline fraction

Question 16

what is combustion

Answer 16

• tetraethyl lead used to be added to promote smoother burning
• prevent unwanted noise and engine damage
• damaged catalytic converters and lead accumulated in the environment