hydrocarbons + alkanes Flashcards
1
Q
What are hydrocarbons?
A
compounds that form carbon and hydrogen only 
2
Q
What are the first four alkanes?
A
Methane, ethane, propane, butane
3
Q
How do you find the molecular formula of an alkane?
A
amount of carbon x 2 +2
4
Q
molecular formula of methane
A
1 carbon 4 hydrogen
5
Q
molecular formula of ethane
A
2 carbons 6 hydrogens
6
Q
molecular formula of propane
A
3 carbons 8 hydrogens
7
Q
Molecular formula of butane
A
4 carbon 10 hydrogen
8
Q
What is an alkane?
A
A saturated compound, which means every carbon atom has four single covalent bonds
9
Q
The longer carbon chain =
A
⬆️ boiling point
More viscous
Liquid at room temperature
Hard to ignite
10
Q
shorter chain carbon =
A
More volatile = evaporates easily
More flammable
