Exam2Av1_104S13_KEY - WINGRAVE Chem104 EXAM 2Av1 KEY SPRING...

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WINGRAVE Chem104 EXAM 2Av1 - KEY SPRING, 2013 NAME _____________________________________ LAB SECTION # ______ INSTRUCTIONS: PLEASE READ & GOOD LUCK ! ! ! (125 pts) • Put your name and section # on page 1 of test. • Exam time is 5:00 to 6:45 pm. For full credit, turn your exam in on time. • No penalty for guessing, so don't leave any answers blank. • YOU MAY TEAR OFF THE FIRST AND LAST PAGES OF THIS EXAM. • Leave all pages of your exam stapled together. You may lose credit for lost pages. • On problems, show all your work for full and/or partial credit. No credit for just equations. • On multi-part problems, “double-jeopardy credit will not exceed one third of problem score. • When you finish , tear off Periodic Table & put exam in envelope with your section number. CONSTANTS: NOMENCLATURE (2 pts each blank) Fill in blank with appropriate answer. SYMBOL NAME 1 nitrogen pentafluoride 2. bicarbonate (anion) 3. dinitrogen monosulfide 4. sulfuric acid 5. calcium phosphate MULTIPLE CHOICE (3 pts each) 6. __c__ Which of the following is not true about a solution? a. molal boiling point elevation is a function of the solute b. the freezing point of a solvent is lowered upon addition of a solute c. the amount of solute has no impact on the boiling point elevation d. the boiling point of a solvent is elevated by the addition of a solute e. the freezing point of a solution is lowered by solute addition
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WINGRAVE Chem104 EXAM 2Av1 - KEY SPRING, 2013 MULTIPLE CHOICE (3 pts each) Page Score 7. __a__ The solubility of in water is 0.590 g /L at an 1 13/ oxygen pressure of 15 atm. What is the 2 12/ Henry’s Law constant for in units of 3 12/ L atm / mole? 4 15/
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