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Activity No.2 Instructions: Analyze and solve the problem carefully. Write your answer and solution on the worksheet provided. 1. Calculate the entropy change, AS for the following reactions using tabulated standard entropy values and figure out il the resulting values obtained are consistent with the expected entropy change as predicted qualitatively. a. thermal decomposition of NANO, 2 NaNO (s)- NANO:(s) + 0 (g) So values at 25 C NANO (s) = 116.5/mol-K NaNO (s) = 103.8/mol-K 02(g) = 205 1/mol-K b. synthesis of ammonia from nitrogen gas and hydrogen gas N2(8) +3H2(g) 2NH3(g) 4, S values at 25 C N2(g) = 191.6 J/mot-K H2(g) = 130.7 J/mol-K NH3(g) = 192.8 J/mol-K 2. Calculate the entropy change, ASunverse for the following reaction, at 25°C CH,OH(I) %3D CO(g) + 2H,(g) Standard entropy, S: Co(g) = 197.7 J/mol-K H(g) = 130.7 J/mol-K CH;OH(I) = 127.2 1/mol-K %3D Standard enthalpy of formation, AH: CO(g) = -110.5 kJ/mol H2(g) = 0 CH,OH(1) = -238.4 kJ/mol %3D

Activity No.2 Instructions: Analyze and solve the problem carefully. Write your answer and solution on the worksheet provided. 1. Calculate the entropy change, AS for the following reactions using tabulated standard entropy values and figure out il the resulting values obtained are consistent with the expected entropy change as predicted qualitatively. a. thermal decomposition of NANO, 2 NaNO (s)- NANO:(s) + 0 (g) So values at 25 C NANO (s) = 116.5/mol-K NaNO (s) = 103.8/mol-K 02(g) = 205 1/mol-K b. synthesis of ammonia from nitrogen gas and hydrogen gas N2(8) +3H2(g) 2NH3(g) 4, S values at 25 C N2(g) = 191.6 J/mot-K H2(g) = 130.7 J/mol-K NH3(g) = 192.8 J/mol-K 2. Calculate the entropy change, ASunverse for the following reaction, at 25°C CH,OH(I) %3D CO(g) + 2H,(g) Standard entropy, S: Co(g) = 197.7 J/mol-K H(g) = 130.7 J/mol-K CH;OH(I) = 127.2 1/mol-K %3D Standard enthalpy of formation, AH: CO(g) = -110.5 kJ/mol H2(g) = 0 CH,OH(1) = -238.4 kJ/mol %3D

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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Activity No.2 Instructions: Analyze and solve the problem caretully. Write your answer and solution on the worksheet provided. 1. Calculate the entropy change, AS for the following reactions using tabulated standard entropy values and figure out if the resulting values obtained are consistent with the expected entropy change as predicted qualitatively. a. thermal decomposition of NANO, 2 NANO (s) NANO:(s) + 0:(g) So values at 25°C NANO:(s) = 116.5/mol-K NANO (s) = 103.8 /mol-K 02(g) = %3D 2051/mol-K b. synthesis of ammonia from nitrogen gas and hydrogen gas N2+3H2(g) 2NH;(g) S values at 25 C N2(g) = 191.6 J/moi-K H2(g) = 130.7 J/mol-K NH,(g) = 192.8 J/mol-K 2. Calculate the entropy change, ASunverse for the following reaction, at 25°C CO(g) + 2H,(g) CH,OH(1) %3D %3D Standard entropy, S Co(g) = 197.7 J/mol-K H(g) = 130.7 J/mol-K CH;OH(I) = 127.2 1/mol-K %3D %3D Standard enthalpy of formation, AH: CO(g) = -110.5 kJ/mol H2(g) = 0 CH,OH(1) = -238.4 kJ/mol %3D
Transcribed Image Text:Activity No.2 Instructions: Analyze and solve the problem caretully. Write your answer and solution on the worksheet provided. 1. Calculate the entropy change, AS for the following reactions using tabulated standard entropy values and figure out if the resulting values obtained are consistent with the expected entropy change as predicted qualitatively. a. thermal decomposition of NANO, 2 NANO (s) NANO:(s) + 0:(g) So values at 25°C NANO:(s) = 116.5/mol-K NANO (s) = 103.8 /mol-K 02(g) = %3D 2051/mol-K b. synthesis of ammonia from nitrogen gas and hydrogen gas N2+3H2(g) 2NH;(g) S values at 25 C N2(g) = 191.6 J/moi-K H2(g) = 130.7 J/mol-K NH,(g) = 192.8 J/mol-K 2. Calculate the entropy change, ASunverse for the following reaction, at 25°C CO(g) + 2H,(g) CH,OH(1) %3D %3D Standard entropy, S Co(g) = 197.7 J/mol-K H(g) = 130.7 J/mol-K CH;OH(I) = 127.2 1/mol-K %3D %3D Standard enthalpy of formation, AH: CO(g) = -110.5 kJ/mol H2(g) = 0 CH,OH(1) = -238.4 kJ/mol %3D
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