Problem 1
Define the term commercial energy.
Problem 5
What are the five main global sources of primary commercial energy?
Problem 7
What are the ultimate origins of coal, oil, and natural gas? Which fuel is in greatest reserve abundance?
Problem 8
What is the main component of natural gas? Write out the balanced chemical equation illustrating its combustion.
Problem 9
Why is natural gas considered to be an environmentally superior fuel to oil or coal? What phenomenon involved in its transmission by pipeline might offset this advantage?
Problem 10
What is meant by the term CNG? What are the advantages and disadvantages to fueling vehicles with CNG? What is meant by LPG?
Problem 11
What are the three important classes of hydrocarbons present in crude oil?
Problem 12
What is meant by the term heavy oil? Why does it require a large amount of energy to extract petroleum from Alberta oil sands?
Problem 13
What is meant by engine knocking? How is the octane number rating scale for fuels defined?
Problem 14
What is meant by the BTX fraction of gasoline?