Chem 201 Exam 2b - Chem 201 75 Dr N J Stolowich 1 EXAM II...

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Chem 201 – 75 EXAM II name: ____________________ Dr N J Stolowich February 27, 2003 1. (24 pts) CLEARLY indicate whether each of the following statements are ( T ) or ( F ) _____ Diluting 100 ml of any solution to a final volume of 1L produces a new solution containing one tenth the concentration of solute. _____ An reducing agent gives up electrons. _____ Under identical conditions, methane gas effuses faster then helium gas. _____ Gas volume is effected greatly by temperature due to increased kinetic energy of the gas molecule. _____ Gases can not be compressed to any great extent _____ Gases are infinitely miscible with eachother _____ If an atom’s oxidation number increases in a Redox reaction, it is an oxidizing agent _____ Double displacement reactions are not redox reactions 2. (8 pts) For each reaction below, list the type of reaction (decomposition, combination, single or double displacement) and whether or not the reaction is a redox reaction CsI (aq) + Cl 2 (aq) CsCl (aq) + I 2 (aq) ____________________, Y / N Li 2 O (aq) + CO 2 (g) Li 2 CO 3 (s) ____________________, Y / N 3. (4 pts)
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