Answer
Gasoline provides more energy per liter.
Work Step by Step
Ethanol:
$-34.29\ kJ/g\div 785\ g/L=43.7\ J/L$
Octane:
$-47.89\ kJ/g\div 699\ g/L=68.5\ J/L$
Gasoline provides more energy per liter.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 5 Principles of Chemical Reactivity: Energy and Chemical Reactions - 5-7 Enthalpy Calculations - Case Study - Questions - Page 212: 2
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