Calculate ΔG° (answer in kJ/mol) for each of the following reactions from the equilibrium constant at the temperature given. (e)CH3NH2(aq)+H2O(l)⟶CH3NH3+(aq)+OH−(aq) T=25°C Kp=4.4×10−4 (f)PbI2(s)⟶Pb2+(aq)+2I−(aq) T=25°C Kp=8.7×10−9

Calculate ΔG° (answer in kJ/mol) for each of the following reactions from the equilibrium constant at the temperature given. (e)CH3NH2(aq)+H2O(l)⟶CH3NH3+(aq)+OH−(aq) T=25°C Kp=4.4×10−4 (f)PbI2(s)⟶Pb2+(aq)+2I−(aq) T=25°C Kp=8.7×10−9

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 82AP

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Question

Calculate ΔG° (answer in kJ/mol) for each of the following reactions from the equilibrium constant at the temperature given.

(e)CH₃NH₂₍_a_q₎+H₂O₍_l₎⟶CH₃NH₃⁺₍_a_q₎+OH⁻₍_a_q₎

T=25°C

Kp=4.4×10⁻⁴

(f)PbI₂₍_s₎⟶Pb²⁺₍_a_q₎+2I⁻₍_a_q₎

T=25°C

Kp=8.7×10⁻⁹

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