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Past Exam for CH 101 - GENERAL CHEMISTRY at Clemson (Clemson)

Exam Information

Material Type:Exam 1
Professor:Staff
Class:CH 101 - GENERAL CHEMISTRY
Subject:CHEMISTRY
University:Clemson University
Term:Fall 2007
Keywords:
  • No Molecules
  • Total Volume
  • Atomic Weight
  • Atomic Theory
  • Alkaline Earth Metal
  • Empirical Formula
  • Atomic Mass
  • Carbon Atoms
  • Atomic Number
  • Nitric Oxide
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Sample Document Text

Clemson University CH101 Fall 2007 Mock Exam 1\n1. An aluminum ion, Al3+, has: A. B. C. D. E. 13 protons and 13 electrons 27 protons and 24 electrons 16 protons and 13 electrons 13 protons and 10 electrons 10 protons and 13 electrons 6. Avogadro’s number of iron atoms would have a mass of A. 55.9 g B. 27.9 g C. 6.02 x 1023 g D. 6.02 x 10-23 g 7. A compound with an empirical formula CH is found to have a molar mass of 65.09 g/mol. The molecular formula of this compound is: A. B. C. D. E. CH C2H2 C3H3 C4H4 C 5H 5\n\n2. Phenol is a compound that contains 76.57 % carbon, 6.43% hydrogen, and 17.0% oxygen. The empirical formula of phenol is A. B. C. D. E. CHO CH2O C3H3O C2HO C6H6O\n\n3. When balanced, the coefficient of O2 in the following equation is __C2H4 + __O2 → __CO2 + __H2O A. B. C. D. E. 1 2 3 4 6\n\n8. The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one 500milligram tablet? A. B. C. D. 2.77 molecules 2.77 × 10−3 molecules 1.67 × 1024 molecules 1.67 × 1021 mole...

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