Gasoline is a complex mixture of hydrocarbons, including different isomers of octane. Gasoline is sold with a variety of octane ratings that are based on the comparison of the gasoline with the combustion properties of isooctane, a structural isomer of C8H18. The structure of isooctane and another isomer of C8H18 are shown in the figure below, along with their normal boiling points and heats of vaporization. Determine the vapor pressure of each isomer on a very hot summer day, 39.0 °C.IsooctaneTetramethylbutanebp = 98.2°Cbp = 106.5°CΔHvap = 35.8 kJ/molΔHvap= 43.3 kJ/molPart1: 1 atm = 760 torrFor isooctane:___torrPart2:For tetramethylbutane:___torr

We need to find the pressure of Isooctane and tetramethyl butane Given: Part 1; Boiling point of…

Answered: Determine the vapor pressure of each…

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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Gasoline is a complex mixture of hydrocarbons, including different isomers of octane. Gasoline is sold with a variety of octane ratings that are based on the comparison of the gasoline with the combustion properties of isooctane, a structural isomer of C₈H₁₈. The structure of isooctane and another isomer of C₈H₁₈ are shown in the figure below, along with their normal boiling points and heats of vaporization. Determine the vapor pressure of each isomer on a very hot summer day, 39.0 °C.

Isooctane	Tetramethylbutane
bp = 98.2°C	bp = 106.5°C
ΔH_vap = 35.8 kJ/mol	ΔH_vap= 43.3 kJ/mol

Part1: 1 atm = 760 torr

For isooctane:___torr

Part2:

For tetramethylbutane:___torr

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