ACTIVITY 2: Interpretation of G: In this activity, explain the value of AG° and explain the reaction (On a Piece of Paper) The following reaction expresses the fact that the water molecule is thermodynamically stable: A. 2 H29) + % O29) → H2Og) AG° = -237.2 kJ B. H2Og) - 2 H) + Ola) C. N204g) - 2 NO2) AG° = +406.6 kJ AG° = +2.8 kJ

ACTIVITY 2: Interpretation of G: In this activity, explain the value of AG° and explain the reaction (On a Piece of Paper) The following reaction expresses the fact that the water molecule is thermodynamically stable: A. 2 H29) + % O29) → H2Og) AG° = -237.2 kJ B. H2Og) - 2 H) + Ola) C. N204g) - 2 NO2) AG° = +406.6 kJ AG° = +2.8 kJ

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.46PAE: Write the K_, expression for each of the following equilih ria for dissolution of the salt in water....

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The following reaction occurs in pure water: H2O(l)+H2O(l)H3O+(aq)+OH-(aq) which is often abbreviated as H2O(l)H+(aq)+OH-(aq) For this reaction, G = 79.9 kJ/mol at 25C. Calculate the value of G for this reaction at 25C when [OH] = 0.15 M and [H+] = 0.71 M.
Nitrogen, hydrogen, and ammonia are in equilibrium in a 1000-L reactor at 550 K. The concentration of N2 is 0.00485 M, H2 is 0.022 M, and NH3 is 0.0016 M. The volume of the container is halved, to 500 L. (a) Calculate the equilibrium constant. (b) Define y as the change in the concentration of nitrogen in the 500-L container. Is y positive or negative? (c) Write the iCe table and express the equilibrium constant in a polynomial in terms of y.
In a particular experiment, the equilibrium constant measured for the reaction, Cl2(g)+NO2(g)Cl2NO2(g), is 2.8. Based on this measurement, calculate AG° for this reaction. Calculate AG° using data from Appendix E at the back of the book and discuss the agreement between your two calculations.
Write the K_, expression for each of the following equilih ria for dissolution of the salt in water. Agl(s) *=* Ag+(aq) + I"(aq) Phl,(s)«=± Pb’+(aq) + 2 r(aq) Hg?L «=* Hg<+(aq) + 2 I_(aq) Cu(IO,)2 *=* Ctr+(aq) + 2 IO,-(aq)
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