Fuels & Combustion
Alkanes
Alkenes
Fractional Distillation & Hydrocarbons
100

What is a fuel?

A substance which burns to give energy

100

What is the molecular formula for Methane?

CH4

100

What is the molecular formula for Butene?

C2H4

100

Which 2 elements are found in hydrocarbons?

Hydrogen & Carbon

200

What is this called?


The fire triangle

200

What is the general formula for the Alkanes?

CnH2n+2

200

What is the general formula for the Alkenes?

CnH2n

200

How many bonds does carbon form?

4
300

Fossil Fuels are a FINITE resource. What does this mean? 100 bonus points for an example of a Fossil Fuel

It means that they will eventually run out. Examples - coal, oil, natural gas....

300

Name this molecule

Pentane

300

Name this molecule 

Hexene

300

As you go down the tower, the boiling point increases, as does the number of _______ in each molecule

Carbon atoms

400

Define 'Exothermic'

A reaction that releases heat.

400

Are alkanes saturated or unsaturated?

Saturated

400

Are alkenes saturated or unsaturated?

Unsaturated

400

Where are the least viscous hydrocarbons found?

The top of the fractional distillation tower

500

Fuel + _____ ---> ______ + water

Fuel + Oxygen ---> Carbon Dioxide + water

500

Name this molecule. 

Octane

500

Why do the Alkenes begin at Ethene?

The Alkenes contain a Carbon-to-carbon double bond. Ethene has the minimum 2 Carbon atoms. Therefore, Methene does not exist.

500

What is a homologous series?

A group of compounds that share a general formula and have similar chemical properties