Calculate ∆S° values for the following reactions by using tabulated S° values from Appendix C. In each case, explain the sign of ∆S°.(a) HNO31g2 + NH31g2 ¡ NH4NO31s2(b) 2 Fe2O31s2 ¡ 4 Fe1s2 + 3 O21g2(c) CaCO31s, calcite2 + 2 HCl1g2 ¡ CaCl21s2 + CO21g2 + H2O1l2(d) 3 C2H61g2 ¡ C6H61l2 + 6 H21g2

Calculate ∆S° values for the following reactions by using tabulated S° values from Appendix C. In each case, explain the sign of ∆S°.(a) HNO31g2 + NH31g2 ¡ NH4NO31s2(b) 2 Fe2O31s2 ¡ 4 Fe1s2 + 3 O21g2(c) CaCO31s, calcite2 + 2 HCl1g2 ¡ CaCl21s2 + CO21g2 + H2O1l2(d) 3 C2H61g2 ¡ C6H61l2 + 6 H21g2

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.46PAE: 10.46 Discuss the effect of temperature change on the spontaneity of the following reactions at 1...

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