Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
Related questions
Question
Gasoline is composed primarily of hydrocarbons, including
many with eight carbon atoms, called octanes. One of
the cleanest–burning octanes is a compound called 2,3,4-
trimethylpentane, which has the following structural formula:
The complete combustion of one mole of this compound
to CO21g2 and H2O1g2 leads to ΔH° = -5064.9 kJ.
(a) Write a balanced equation for the combustion of
1 mol of C8H181l2. (b) By using the information in
this problem and data in Table 5.3, calculate ΔHf° for
2,3,4-trimethylpentane.

Transcribed Image Text:CH3 CH3 CH3
Н,С —СН—СН—СН—СH3
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