Chem_173B_HW3_2008 - (b Br 2(aq Br(aq(c Cl 2(g H 2 O(d ClF...

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Chem 173B/268B Homework assignment #3 Prof. S. Scott Due in class on Monday, March 3, 2008 1. HF is a weaker acid than HCl, yet HF is more dangerous to work with than HCl. Explain both observations. 2. Account for the instability of polyanions of oxygen compared to sulfur. 3. Do you expect H 2 O 2 to be a stronger or a weaker Brønsted acid than H 2 O? Explain. 4. Predict the products of the following reactions: (a) Cl - (aq) + I 2 (aq)
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Unformatted text preview: (b) Br 2 (aq) + Br-(aq) (c) Cl 2 (g) + H 2 O (d) ClF 5 + SbF 5 5. Explain why SO 2 is a gas but SO 3 is a solid at room temperature. 6. When sulfide-containing ores such as NiS are mined, exposure of the minerals to air causes oxidation of sulfide. Explain what effect this is expected have on (a) the pH of the groundwater and/or surface water runoff (b) the metal ion content of the same water....
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This note was uploaded on 08/06/2008 for the course CHEM 173B taught by Professor Scott during the Winter '08 term at UCSB.

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