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P1. Nitric acid hydrates have received much attention as possible catalysts for heterogeneous reactions that bring about the Antarctic ozone hole. The thermodynamic data for the sublimation of mono-, di-, and trihydrates to nitric acid and water vapours given as below. HNO3 · NH2O(s)→HNO3(g) + NH2O(g) for n = 1, 2, and 3. Given A‚G° and A;H° for these reactions at 220 K, use the Gibbs–Helmholtz equation to compute ArGº at 190 K. n 1 2 3 A,G° (kj/mol) 46.2 69.4 93.2 AH° (kj/mol) 127 188 237

P1. Nitric acid hydrates have received much attention as possible catalysts for heterogeneous reactions that bring about the Antarctic ozone hole. The thermodynamic data for the sublimation of mono-, di-, and trihydrates to nitric acid and water vapours given as below. HNO3 · NH2O(s)→HNO3(g) + NH2O(g) for n = 1, 2, and 3. Given A‚G° and A;H° for these reactions at 220 K, use the Gibbs–Helmholtz equation to compute ArGº at 190 K. n 1 2 3 A,G° (kj/mol) 46.2 69.4 93.2 AH° (kj/mol) 127 188 237

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
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P1. Nitric acid hydrates have received much attention as possible catalysts for heterogeneous reactions that bring about the Antarctic ozone hole. The thermodynamic data for the sublimation of mono-, di-, and trihydrates to nitric acid and water vapours given as below. HNO3 · NH2O(s)→HNO3(g) + NH2O(g) for n = 1, 2, and 3. Given A,G° and A:H° for these reactions at 220 K, use the Gibbs-Helmholtz equation to compute ArGº at 190 K. 2 3 A,G° (kj/mol) A:H° (kj/mol) 46.2 69.4 93.2 127 188 237
Transcribed Image Text:P1. Nitric acid hydrates have received much attention as possible catalysts for heterogeneous reactions that bring about the Antarctic ozone hole. The thermodynamic data for the sublimation of mono-, di-, and trihydrates to nitric acid and water vapours given as below. HNO3 · NH2O(s)→HNO3(g) + NH2O(g) for n = 1, 2, and 3. Given A,G° and A:H° for these reactions at 220 K, use the Gibbs-Helmholtz equation to compute ArGº at 190 K. 2 3 A,G° (kj/mol) A:H° (kj/mol) 46.2 69.4 93.2 127 188 237
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