Chemistry Final Exam

Jul 11th, 2016
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Chemistry Final Exam

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Multiple Choice, 2 points each1. A solution is not neutral. Which one of these statements is true?A. [H3O+] = 1.0 107 MB. [H3O+] = [OH]C. [H3O+][OH] = 1.0 107D. [OH] = 1.0 107 ME. [H3O+][OH] = 1.0 10142. Suppose that a gas occupies 3.11 L at 795 mm Hg and 288 K. What pressure (in atm) will the same gasexert at 5.00 L and 31.0 C?A. 1.85 104B. 0.687C. 1.34D. 1.02 103E. 2.61 1033. The normal boiling point of a liquid on a vapor pressure curve is foundA. at the point where the temperature is equal to the pressure.B. at any point where the pressure is less than 760 mm Hg.C. at the point where the temperature line crosses the 760 mm Hg line.D. in the region below the curve.E. in the region above the curve.4. How many of the following molecules or ions contain double or triple bonds?N2H2COC2H4C2H6SCNA. 1B. 2C. 3D. 4E. 55. Which of the following is paramagnetic?A. B2B. C2C. H2D. N2E. At least two of the above are paramagnetic.B6. Which description is not a property of carboxylic acids?A. easily form hydrogen bondsB. react with bases to form saltsC. can be produced from ketonesD. are polar at the carboxyl groupE. are produced by complete oxidation of primary alcohols7. Which of the following is a Lewis acid but not a Bronsted-Lowry acid?A. acetic acidB. NH4+(aq)C. HCO3(aq)D. CO2E. CO328. The secondary structure of a protein is defined asA. the degree of interaction among se

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