The complete combustion of octane, C8H18, a component ofgasoline, proceeds as follows:2 C8H18(l) + 25 O2(g) ----->16 CO2(g) + 18 H2O(g)(a) How many moles of O2 are needed to burn 1.50 mol ofC8H18?(b) How many grams of O2 are needed to burn 10.0 g of C8H18?(c) Octane has a density of 0.692 g>mL at 20 °C. How manygrams of O2 are required to burn 15.0 gal of C8H18 (thecapacity of an average fuel tank)?(d) How many grams of CO2 are produced when 15.0 gal ofC8H18 are combusted?

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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...

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The complete combustion of octane, C8H18, a component of
gasoline, proceeds as follows:
2 C₈H₁₈(l) + 25 O₂(g) ----->16 CO₂(g) + 18 H₂O(g)
(a) How many moles of O₂ are needed to burn 1.50 mol of
C₈H₁₈?
(b) How many grams of O₂ are needed to burn 10.0 g of C₈H₁₈?
(c) Octane has a density of 0.692 g>mL at 20 °C. How many
grams of O₂ are required to burn 15.0 gal of C₈H₁₈ (the
capacity of an average fuel tank)?
(d) How many grams of CO₂ are produced when 15.0 gal of
C₈H₁₈ are combusted?

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