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Past Exam for CHEM 100 - Introduction to Chemistry at Imperial Valley College (IMP)

Exam Information

Material Type:Exam 4
Professor:Staff
Class:CHEM 100 - Introduction to Chemistry
Subject:Chemistry
University:Imperial Valley College
Term: 2007
Keywords:
  • Precipitation Reaction
  • Oxidation-Reduction Reaction
  • No Molecules
  • Percent Yield
  • Precipitation
  • Reducing Agent
  • Following Equations
  • Hydrochloric Acid
  • Oxidizing Agent
  • Ionic Equation
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Sample Document Text

Summer 07 Chem 100 Ch 6 100 Pts (105 possible) Name ____________________________ For Full Credit, show all of your work work Part 1: Choose the Single closest or best answer. 5 pts each 1) In a precipitation reaction the insoluble product can be identified by the symbol ________. A) (aq) D) (s) B) (l) E) none of the above C) (g) 2) Which is the correct equation for the reaction of magnesium with hydrochloric acid to produce hydrogen and magnesium chloride? A) Mg + 2 HCl → 2 H + MgCl2 MgCl2 B) Mg + HCl → H + MgCl D) Mg + 2 HCl → H2 + MgCl2 C) 2 Mg + 6 HCl → 3 H2 + 2 E) Mg + 3 HCl → 3 H + MgCl2 3) Which of the following equations is not balanced? A) 2 Na + 2 H2O → 2 NaOH + H2 B) SO2 + O2 → SO3 C) 2 H2 + O2 → 2 H2O D) C3H8 + 5 O2 → 3 CO2 + 4 H2O E) 2 Al + 6 HCl → 2 AlCl3 + 3 H2 4) How many molecules are present in 4.25 mol of CCl4? A) 9.26 × 1025 B) 653.69 C) 2.56 × 1024 D) 153.81 E) 36.91 5) The molar mass of Fe(OH)3 is ________ g. A) 72.86 B) 74.88 C) 89.87 D) 104.86 E) 106.87...

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