Concept explainers
Interpretation:
The miles of travelled by a taxi so that decreased fuel cost would balance the added cost of modified taxi’s motor has to be calculated.
Answer to Problem 123QRT
The miles travelled by taxi are approximately
Explanation of Solution
First, the octane in milliliters is determined.
The energy released from combustion of one gram of octane is calculated as follows,
The reaction enthalpy for combustion of propane is determined as follows,
The energy required for taxi to travel per mile is determined as follows,
Consider the taxi gets average of
Then the cost of fuel used per mile is determined.
Assume the modified taxi also used same energy per mile the fuel cost for travelling one mile using propane is shown as follows,
The miles required to recouped with the conversion cost is shown as follows,
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Chapter 4 Solutions
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