The enthalpy of combustion of hard coal averages −35 kJ/g, that of gasoline, 1.28 × 105 kJ/gal. How many kilograms of hard coal provide the same amount of heat as is available from 1.0 gallon of gasoline? Assume that thedensity of gasoline is 0.692 g/mL (the same as the density of isooctane).

The enthalpy of combustion of hard coal averages −35 kJ/g, that of gasoline, 1.28 × 105 kJ/gal. How many kilograms of hard coal provide the same amount of heat as is available from 1.0 gallon of gasoline? Assume that thedensity of gasoline is 0.692 g/mL (the same as the density of isooctane).

Principles Of Pharmacology Med Assist

6th Edition

ISBN:9781337512442

Author:RICE

Publisher:RICE

Chapter1: Numerals And Fractions

Section: Chapter Questions

Problem 5RP

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The enthalpy of combustion of hard coal averages −35 kJ/g, that of gasoline, 1.28 × 10⁵ kJ/gal. How many kilograms of hard coal provide the same amount of heat as is available from 1.0 gallon of gasoline? Assume that the
density of gasoline is 0.692 g/mL (the same as the density of isooctane).

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