Calculate the standard Gibbs energies at 25 °C of the following reactions from the standard potential data.(a) Ca(s) + 2 H2O(I) → Ca(OH)2(aq) + H2(g)(b) 2 Ca(s) + 4 H2O(I) → 2 Ca(OH)2(aq) + 2H2(g)(c) Fe(s) + 2 H2O(I) → Fe(OH)2(aq) + H2(g)(d) Na2S2O8(aq) + 2 Nal(aq) → 12(s) + 2 Na2SO4(aq)(e) Na2S2O8(aq) + 2 Kl(aq) → l2(s) + Na2SO4(aq) + K2SO4(aq)(f) Pb(s) + Na2CO3(aq) → PbCO3(aq) + 2 Na(s)

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Answered: Calculate the standard Gibbs energies…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter17: Electrochemistry And Its Applications

Section: Chapter Questions

Problem 35QRT

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Calculate the standard Gibbs energies at 25 °C of the following reactions from the standard potential data.
(a) Ca(s) + 2 H₂O(I) → Ca(OH)₂(aq) + H₂(g)
(b) 2 Ca(s) + 4 H₂O(I) → 2 Ca(OH)₂(aq) + 2H₂(g)
(c) Fe(s) + 2 H₂O(I) → Fe(OH)₂(aq) + H₂(g)
(d) Na₂S₂O₈(aq) + 2 Nal(aq) → 12(s) + 2 Na₂SO₄(aq)
(e) Na₂S₂O₈(aq) + 2 Kl(aq) → l₂(s) + Na₂SO₄(aq) + K₂SO₄(aq)
(f) Pb(s) + Na₂CO₃(aq) → PbCO₃(aq) + 2 Na(s)

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