Topic 3 - Fossil Fuels

Question 1

Coal (made from, made by, and combustion reaction)

Answer 1

Made from: carbon, hydrogen, nitrogen, and sulfer.

Made by: dead plant matter covered by dirt and rock, with the heat and pressure changing them to coal

Combustion reaction: C (s) + O2 (g) -> CO2 (g)

Question 2

Petroleum/crude oil (made from and made by)

Answer 2

Made from: hydrocarbon molecules of alkanes

Made by: fractional distillation

Question 3

Liquefied petroleum gas (LPG, made from)

Answer 3

Made from: propane and butane

Question 4

Natural gas

Answer 4

Made from: methane (ethane and propane present in small amounts)

Question 5

Petrodiesel (diesel fuel)

Answer 5

Made from: crude oil, 75% alkanes w/ 12-24 carbon atoms per molecule and 25% aromatic hydrocarbons