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42. Combustion of Octane takes place in an automobile engine as follow CH18(g) + 25/2 O, (g) → 8CO:(g) + 9H,0 (g) The sign of AH, AS, and AG for the reaction will be: a. -ve, +ve, +ve b. +ve, -ve, +ve C. -ve, +ve, -ve d. +ve, +ve -ve

42. Combustion of Octane takes place in an automobile engine as follow CH18(g) + 25/2 O, (g) → 8CO:(g) + 9H,0 (g) The sign of AH, AS, and AG for the reaction will be: a. -ve, +ve, +ve b. +ve, -ve, +ve C. -ve, +ve, -ve d. +ve, +ve -ve

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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neutralization, ionization etc. c. Hess's law can be used for the determination enthalpy of fast reactio d. Hess's law can be used for the determination of bond energy 42. Combustion of Octane takes place in an automobile engine as follows: CH18(g) + 25/2 O, (g) → 8CO.(g) + 9H,0 (g) The sign of AH, AS, and AG for the reaction will be: a. -ve, +ve, +ve b. +ve, -ve, +ve C. -ve, +ve, -ve d. +ve, +ve -ve ww ww 43. The vapor pressure of a solvent decreases by 10 mmHg when a non volat solvent and the mole fraction of solute in the solution is 0.2. What shoulc solvent if the decrease in vapor pressure is 20 mmHg. a. 0.8 b. 0.6
Transcribed Image Text:neutralization, ionization etc. c. Hess's law can be used for the determination enthalpy of fast reactio d. Hess's law can be used for the determination of bond energy 42. Combustion of Octane takes place in an automobile engine as follows: CH18(g) + 25/2 O, (g) → 8CO.(g) + 9H,0 (g) The sign of AH, AS, and AG for the reaction will be: a. -ve, +ve, +ve b. +ve, -ve, +ve C. -ve, +ve, -ve d. +ve, +ve -ve ww ww 43. The vapor pressure of a solvent decreases by 10 mmHg when a non volat solvent and the mole fraction of solute in the solution is 0.2. What shoulc solvent if the decrease in vapor pressure is 20 mmHg. a. 0.8 b. 0.6
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