Sp08_Final_with_Key

Sp08_Final_with_Key - C h e m is t r y 1 1 0 F in a l E x a...

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Chemistry 110 Name _______________________ Final Exam Form A Section _______________________ May 7, 2008 IMPORTANT : On the scantron (answer sheet), you MUST clearly fill your name , your student number , section number , and test form (white cover = test form A; yellow cover = test form B). Use a #2 pencil. There are 40 questions on this exam. Check that you have done all of the problems and filled in the first 40 bubbles on the scantron. The maximum score on this exam is 40 points. Your score will be reported in percents (max 100%). Exam policy Calculators with text-programmable memory are not allowed. Relevant data and formulas, including the periodic table, are attached at the end of this exam. Your grade will be based only on what is on the scantron form. The answer key will be posted on the web after the exam (under "Exam Schedule"). Hints As you read the question, underline or circle key words to highlight them for yourself. Avoid errors from "mis-reading" the question. Pay attention to units and magnitudes (decimal places) of numbers obtained from calculations. There is no penalty for guessing.
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CHEMISTRY 110 FINAL EXAM MAY 7, 2008 FORM A ------------------------------------------------------------------------------------------------------------ 1. Calculate the number of protons, neutrons and electrons in a 184 W 3+ ion. protons neutrons electrons A. 74 110 77 B. 184 200 184 C. 74 113 71 D. 74 110 71 E. 6 178 3 ------------------------------------------------------------------------------------------------------------ 2. For a nonvolatile solute dissolved in a volatile solvent, what happens to the vapor pressure, freezing point, and boiling point? A. They are all higher for the solution than for the pure solvent. B. They are all lower for the solution than for the pure solvent. C. The vapor pressure increases, and the boiling and freezing points decrease. D. The boiling point increases, and the vapor pressure and freezing point decrease. E. They do not change. ------------------------------------------------------------------------------------------------------------ 3. What is the coefficient of water in the balanced chemical equation for the complete combustion of propanol (C 3 H 8 O)? (Use whole numbers for coefficients.) A. 1 B. 2 C. 4 D. 8 E. 9 ------------------------------------------------------------------------------------------------------------ 4. Which phase transition is exothermic? A. melting B. sublimation C. condensation D. vaporization E. normalization ------------------------------------------------------------------------------------------------------------ Go on to the next page
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------------------------------------------------------------------------------------------------------------ 5. What is the approximate bond angle of O–Cl–O and the hybridization of Cl in ClO 2 ? approximate
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Sp08_Final_with_Key - C h e m is t r y 1 1 0 F in a l E x a...

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