CHEM 6C Lecture Notes - Lecture 7: Aluminium Hydroxide, Zinc Hydroxide, Barium Hydroxide
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18 May 2017
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4/25/17 lecture notes (7) ch 22 solubility ch 23 chemical. Formation of a complex ion will increase solubility of a solid. If not soluble in water they dissolve in acid. Dissolve in basic solution if not water week 4 ch 22 23 page 1. What ph will zinc hydroxide be the least soluble? ph = 2 a) Amphoteric means it"s soluble in both acid and base so neutral would be least soluble. week 4 ch 22 23 page 2. Calculate the solubility of al(oh)3 (s) at ph=2, ph=7, and ph=12. Kf= 40 week 4 ch 22 23 page 3 week 4 ch 22 23 page 4. Perfume diffuses from one side of a room to another. Hot pan cools down in a cool room. Answer: e, it all has to do with spontaneity. Ice melting week 4 ch 22 23 page 5. Energy and matter tgend to become more disordered.
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