1. Given the following values for the changes in enthalpy (AH) and entropy (AS), which of the following processes can take place at 298 K without violating the Second Law of Thermodynamics? (a) AH = -84 kJ mol (-20 kcal mol-1), AS = +125 J mol-'K-(+30 cal mol-'K-) (b) AH = -84 kJ mol- (-20 kcal mol-1), AS = -125 J mol-'K-'(-30 cal mol-' K-') (c) AH = +84 kJ mol- (+20 kcal mol-), AS = -125 J mol-'K-'(+30 cal mol-K-!) (d) AH = +84 kJ mol- (+20 kcal mol-1), AS = -125 J mol-'K-'(-30 cal mol- K-)
1. Given the following values for the changes in enthalpy (AH) and entropy (AS), which of the following processes can take place at 298 K without violating the Second Law of Thermodynamics? (a) AH = -84 kJ mol (-20 kcal mol-1), AS = +125 J mol-'K-(+30 cal mol-'K-) (b) AH = -84 kJ mol- (-20 kcal mol-1), AS = -125 J mol-'K-'(-30 cal mol-' K-') (c) AH = +84 kJ mol- (+20 kcal mol-), AS = -125 J mol-'K-'(+30 cal mol-K-!) (d) AH = +84 kJ mol- (+20 kcal mol-1), AS = -125 J mol-'K-'(-30 cal mol- K-)
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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Transcribed Image Text:1. Given the following values for the changes in enthalpy (AH) and entropy (AS), which of the
following processes can take place at 298 K without violating the Second Law of
Thermodynamics?
(a) AH = -84 kJ mol (-20 kcal mol),
AS = +125 J molK- (+30 cal mol-'K-)
(b) AH = -84 kJ mol-(-20 kcal mol-1),
AS = -125 J mol- K-(-30 cal mol- K-1)
(c) AH = +84 kJ mol (+20 kcal mol-1),
AS = -125 J mol-'K-'(+30 cal mol-K-1)
(d) AH = +84 kJ mol (+20 kcal mol-1),
AS = -125 J mol¬1 K-'(-30 cal mol¬1 K-1)
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