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Given the following reactions: P.(s) + 50,(9) – P,O10(s) 2H2 (9) + Oz(g) –→ 2H;O(g) 6H;O(g) + P,O10(8) 4H,PO,(1) - 2697.0 kJ/mol – 457.18 kJ/mol AG = -428.66 kJ/mol AG AG (a) Determine the standard free energy of formation, AG°f, for phosphoric acid. (b) How does your calculated result compare to the constant thermodynamic valu from the table? Explain.

Given the following reactions: P.(s) + 50,(9) – P,O10(s) 2H2 (9) + Oz(g) –→ 2H;O(g) 6H;O(g) + P,O10(8) 4H,PO,(1) - 2697.0 kJ/mol – 457.18 kJ/mol AG = -428.66 kJ/mol AG AG (a) Determine the standard free energy of formation, AG°f, for phosphoric acid. (b) How does your calculated result compare to the constant thermodynamic valu from the table? Explain.

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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Given the following reactions: → P,O10(8) → 2H;O(g) AG" P,(s) + 50,(9) 2H2(9) + Oz(9) 6H;O(g) + P,O10(8) → 4H,PO,(1) - 2697.0 kJ/mol - 457.18 kJ/mol AG' - -428.66 kJ/mol AG (a) Determine the standard free energy of formation, AG°T, for phosphoric acid. (b) How does your calculated result compare to the constant thermodynamic value from the table? Explain.
Transcribed Image Text:Given the following reactions: → P,O10(8) → 2H;O(g) AG" P,(s) + 50,(9) 2H2(9) + Oz(9) 6H;O(g) + P,O10(8) → 4H,PO,(1) - 2697.0 kJ/mol - 457.18 kJ/mol AG' - -428.66 kJ/mol AG (a) Determine the standard free energy of formation, AG°T, for phosphoric acid. (b) How does your calculated result compare to the constant thermodynamic value from the table? Explain.
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