a) Define and write the expression of Kw for the dissociation of water (H2O). Kw is the ________________ _____________ of ______________ (b) Calculate the pH of 0.1mol dm-3 potassium hydroxide (KOH(aq)) pH =

a) Define and write the expression of Kw for the dissociation of water (H2O). Kw is the __________ _ of ________ (b) Calculate the pH of 0.1mol dm-3 potassium hydroxide (KOH(aq)) pH =

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter16: Thermodynamics: Directionality Of Chemical Reactions

Section: Chapter Questions

Problem 91QRT: Actually, the carbon in CO2(g) is thermodynamically unstable with respect to the carbon in calcium...

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Question

(a) Define and write the expression of K_w for the dissociation of water (H₂O).

Kw is the ________________ _____________ of ______________

(b) Calculate the pH of 0.1mol dm^-3 potassium hydroxide (KOH_(aq))

pH =

C) Explain briefly the effect of temperature on K_w.

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