Problem 1
Define the term commercial energy. On what factors does the magnitude of its use in a country depend?
Problem 6
What are the ultimate origins of coal, oil, and natural gas? Which fuel is in greatest reserve abundance?
Problem 7
What is the most important class of hydrocarbons present in crude oil?
Problem 8
What is meant by the BTX fraction of gasoline? Is it toxic?
Problem 9
What is meant by engine knocking?
Problem 10
How is the octane number rating scale for fuels defined?
Problem 11
List several ways in which the octane number of fuels can be increased by the addition of other compounds to straight-chain alkane mixtures.
Problem 12
What is the main component of natural gas? Write out the balanced chemical equation illustrating its combustion.
Problem 13
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 14
What is meant by the term CNG? What are the advantages and disadvantages to fueling vehicles with CNG?