Science: Hydrocarbons & Fractional Distillation Flashcards
Like coal, crude oil is a type of fuel made out of the remains of ancient organisms. What name is given to this type of fuel?
Fossil Fuel
Would you use chemical or physical methods to separate the different components of crude oil?
Physical
Most of the compounds found in crude oil consist of carbon and what other element?
Hydrogen
Compounds that consist of carbon and hydrogen only are known as what?
Hydrocarbons
The group of hydrocarbons with the general formula of CnH2n+2 are known as what?
Alkanes
Alkanes contain the maximum possible amount of hydrogen, they are known as being __________. What one word completes the sentence?
Saturated
What is the formula for alkanes?
CnH2n+2
What bond do the lines in between Carbon and Hydrogen represent?
Covalent/Single bond
What is crude oil separated into?
Fractions
In a fractionating column, what process is caused by heating?
Evaporation
In a fractionating column, what process is caused by cooling?
Condensation
The process of continually evaporating and condensing in a fractionating column is known as __________ distillation. What single word completes the sentence?
Fractional
What do the fractions in fractional distillation separate at?
At different temperatures
What physical property is used to separate individual hydrocarbon fractions from crude oil?
Different boiling points
What mixture is crude oil?
Hydrocarbon
