Tuesday, 26 April 2011
5.6 I can recall what crude oil is made from
pg. 139 in Chemistry for You
a. Define the word hydrocarbon…. | A hydrocarbon is a compound containing only hydrogen and carbon |
b. What is crude oil made from? | Crude oil is a mixture of many hydrocarbons, and is formed from tiny animals and plants which lived in the sea millions of years ago |
c. Define the word compound…. | a chemical substance consisting of two or more different elements that can be separated chemically |
d. Define the word mixture….. | a substance composed of two or more elements/substances mixed together but not chemically bonded |
pg. 140 - 141 in Chemistry for You
d. How long does crude oil take to make? | Around 150 million years |
e. Where does the energy in crude oil originally come from? | The sun, as the light energy used by the plants/organic matter in photosynthesis are trapped and stored |
f. How is crude oil different from coal? | Coal comes from dead trees and ferns whereas crude oil is formed from dead animals, and coal is not a hydrocarbon and contains more than just hydrogen and carbon |
g. Crude oil, coal and natural gas are collectively known as _________ fuels | Fossil fuels |
h. How is crude oil transported when it is extracted from the ground? | Pipelines or oil tankers |
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