The source of oxygen that drives the internal combustion
engine in an automobile is air. Air is a mixture of gases, principally
N2179%2 and O2120%2. In the cylinder of an automobile
engine, nitrogen can react with oxygen to produce
nitric oxide gas, NO. As NO is emitted from the tailpipe of
the car, it can react with more oxygen to produce nitrogen
dioxide gas. (c) The production of NOx gases is an unwanted
side reaction of the main engine combustion process
that turns octane, C8H18, into CO2 and water. If 85% of
the oxygen in an engine is used to combust octane and the
remainder used to produce nitrogen dioxide, calculate how
many grams of nitrogen dioxide would be produced during
the combustion of 500 g of octane.
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