hw 4 part 2 - del rosario (ad27492) – Chapter 4 Part 2...

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Unformatted text preview: del rosario (ad27492) – Chapter 4 Part 2 – smeureanu – (0436) 1 This print-out should have 25 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points In the reaction Ni + 2 H + + 2 Cl--→ NiCl 2 + H 2 , which species is reduced? 1. H + 2. H 2 3. NiCl 2 4. Ni 002 (part 1 of 6) 10.0 points Identify the following reactions. Mg(s) + ZnCl 2 (aq)-→ Zn(s) + MgCl 2 (aq) 1. Not redox 2. Redox 003 (part 2 of 6) 10.0 points H 2 (g) + OF 2 (g)-→ H 2 O(g) + HF(g) 1. Redox 2. Not redox 004 (part 3 of 6) 10.0 points 2 KI(aq) + Pb(NO 3 ) 2 (aq)-→ PbI 2 O(s) + 2 KNO 3 (aq) 1. Redox 2. Not redox 005 (part 4 of 6) 10.0 points CaO(s) + H 2 O( ℓ )-→ Ca(OH) 2 (aq) 1. Not redox 2. Redox 006 (part 5 of 6) 10.0 points 3 CuCl 2 (aq) + 2 (NH 4 ) 3 PO 4 (aq)-→ 6 NH 4 Cl(aq) + Cu 3 (PO 4 ) 2 (s) 1. Redox 2. Not redox 007 (part 6 of 6) 10.0 points CH 4 (g) + 2 O 2 (g)-→ CO 2 (g) + 2 H 2 O(g) 1. Not redox 2. Redox 008 10.0 points Will a precipitate form when 0.50 M aqueous solutions of AgNO 3 and NaCl are mixed? If a precipitate does form, identify the precip- itate and give the net ionic equation for the reaction. 1. Ag 3 N precipitates; 6 Ag + (aq) + 2 NO- 3 (aq) → 2 Ag 3 N(s) + 3 O 2 (g) 2. AgCl precipitates; Ag + (aq) + NaCl(aq) → AgCl(s) + Na + (aq) 3. No precipitate forms.No precipitate forms....
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This note was uploaded on 04/05/2010 for the course CHEMISTRY 0436 taught by Professor Smeureanu during the Spring '10 term at CUNY Hunter.

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hw 4 part 2 - del rosario (ad27492) – Chapter 4 Part 2...

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