Test_3__Form_A__F_06

Test_3__Form_A__F_06 - Chemistry 1035 Third Test FORM A...

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Unformatted text preview: Chemistry 1035 Third Test FORM A November 1, 2006 I promise that I will abide by the Virginia Tech Honor Code while taking this test. Signature Printed Name ___________________________ 1. Which one of the following substances has both ionic and covalent bonding? 1. KBr 2. IF 3 3. CaCO 3 4. SO 3 2. Which of the following ionic compounds has the highest lattice energy? 1. LiCl 2. LiBr 3. KCl 4. KBr 3. Which of the following metals has the highest melting point? 1. Ca 2. K 3. Ba 4. Rb 4. Which of the following ionic compounds has the highest melting point? 1. Na 2 O 2. CaO 3. Al 2 O 3 4. AlCl 3 5. Which of the following single bonds has the highest bond energy? 1. S-F 2. S-Cl 3. S-Br 4. S-I 6. Which of the following elements has the highest electronegativity? 1. C 2. N 3. Si 4. P 5. He 7. Which of the following changes is(are) exothermic? 1. H 2 O(s) H 2 O(l) 2. 2H 2 O(l) + 572 kJ 2H 2 (g) + O 2 (g) 3. 2 CO(g) + O 2 (g) 2 CO 2 (g) H rxn = -566 kJ 4. All three of these changes are exothermic. 5. None of these changes is exothermic. 8. What is H rxn for the reaction N 2 (g) + 3 H 2 (g) 2NH 3 (g)? Note that the bond between the nitrogen atoms in N 2 is not a single bond. 1. H rxn = -92 kJ per mol of N 2 reacted 2. H rxn = +92 kJ per mol of N 2 reacted 3. H rxn = +878 kJ per mol of N 2 reacted 4. H...
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This note was uploaded on 04/14/2008 for the course CHEM 1035 taught by Professor Jgdillard during the Fall '07 term at Virginia Tech.

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Test_3__Form_A__F_06 - Chemistry 1035 Third Test FORM A...

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