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Exercise: Determine AH and AS for the auto-ionization of water. 2 H₂O(1) Temperature (°C) 0 25 35 40 50 Ln(K)=- H30* (aq) Kw 1.14 × 10-¹5 1.00 × 10-¹4 2.09 × 10-14 2.92 × 10-¹4 5.47 × 10-14 AH° 1. ASO + R T R Q1) What is the value of R2? 1 Ln(Kw) T(K) a.0.99938 b.0.99940 c.0.99955 d.0.99945 e.0.99950 Q2) What is the intercept value? a.-9.24948 b.-9.24952 c.9.24952 d.-9.24950 e.9.24948 Q3) What is the enthalpy value AH (in kJ/mol)? a.57.04 b.57.08 c.57.02 d. 57.06 e.57.01 + OH(aq) Q4) What is the value of entropy change AS (J/k.mol)? a.76.9 b.76.7 c.-76.9 d.-77.9 e.-76.7

Exercise: Determine AH and AS for the auto-ionization of water. 2 H₂O(1) Temperature (°C) 0 25 35 40 50 Ln(K)=- H30* (aq) Kw 1.14 × 10-¹5 1.00 × 10-¹4 2.09 × 10-14 2.92 × 10-¹4 5.47 × 10-14 AH° 1. ASO + R T R Q1) What is the value of R2? 1 Ln(Kw) T(K) a.0.99938 b.0.99940 c.0.99955 d.0.99945 e.0.99950 Q2) What is the intercept value? a.-9.24948 b.-9.24952 c.9.24952 d.-9.24950 e.9.24948 Q3) What is the enthalpy value AH (in kJ/mol)? a.57.04 b.57.08 c.57.02 d. 57.06 e.57.01 + OH(aq) Q4) What is the value of entropy change AS (J/k.mol)? a.76.9 b.76.7 c.-76.9 d.-77.9 e.-76.7

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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Exercise Determine AH and AS for the auto-ionization of water. a 2 H₂O (1) Temperature (°C) 0 25 35 40 50 Ln(K) = - H3O+ (aq) AH° 1 Kw 1.14 × 10-¹5 1.00 × 10-¹4 2.09 × 10-¹4 2.92 × 10-¹4 5.47 × 10-14 AS° + R T R 1 T(K) Q1) What is the value of R2? a.0.99938 b.0.99940 c.0.99955 d.0.99945 e.0.99950 Q2) What is the intercept value? a.-9.24948 b.-9.24952 c.9.24952 d.-9.24950 e.9.24948 Q3) What is the enthalpy value AH (in kJ/mol)? a.57.04 b.57.08 c.57.02 d. 57.06 e.57.01 + OH(aq) Q4) What is the value of entropy change AS (J/k.mol)? a.76.9 b.76.7 c.-76.9 d.-77.9 e.-76.7 Ln(Kw)
Transcribed Image Text:Exercise Determine AH and AS for the auto-ionization of water. a 2 H₂O (1) Temperature (°C) 0 25 35 40 50 Ln(K) = - H3O+ (aq) AH° 1 Kw 1.14 × 10-¹5 1.00 × 10-¹4 2.09 × 10-¹4 2.92 × 10-¹4 5.47 × 10-14 AS° + R T R 1 T(K) Q1) What is the value of R2? a.0.99938 b.0.99940 c.0.99955 d.0.99945 e.0.99950 Q2) What is the intercept value? a.-9.24948 b.-9.24952 c.9.24952 d.-9.24950 e.9.24948 Q3) What is the enthalpy value AH (in kJ/mol)? a.57.04 b.57.08 c.57.02 d. 57.06 e.57.01 + OH(aq) Q4) What is the value of entropy change AS (J/k.mol)? a.76.9 b.76.7 c.-76.9 d.-77.9 e.-76.7 Ln(Kw)
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