K and E Partner Quiz

K and E Partner Quiz - 50-POINT PARTNER QUIZ!You may work...

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Unformatted text preview: 50-POINT PARTNER QUIZ!You may work with only the person assigned to you. No notes allowed! Carefully bubble your answer choices on the Scantron, as only it will be graded. Each question is worth 2 points. 1. What factors must be equal in a reversible chemical reaction at equilibrium? a. The concentrations of the reactants and products b. The potential energies of the reactants and products c. The activation energies of the forward and reverse reactions d. The rates of reaction of the forward and reverse reactions 2. Based on the nature of the reactants in each of the equations below, which reaction at 25 oC will occur at the fastest rate? a. C (s) + O2(g) CO2(g) b. NaOH (aq) + HCl (aq) NaCl (aq) + H2O (l) c. CH3OH (l) + CH3COOH (l) CH3COOCH3(aq) + H2O (l) d. CaCO3(s) CaO (s) + CO2(g) 3. A solution in which equilibrium exists between undissolved and dissolved solute is always a. Saturated b. Dilute c. Unsaturated d. Supersaturated 4. Give this system at equilibrium: PbCl2(s) Pb2+(aq) + 2Cl-(aq) When KCl (s) is added to the system, the equilibrium shifts to the a. Right, and the concentration of Pb2+(aq) ions decreases b. Right, and the concentration of Pb2+(aq) ions increases c. Left, and the concentration of Pb2+(aq) ions decreases d. Left, and the concentration of Pbd....
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This note was uploaded on 01/01/2012 for the course CHEM 101 taught by Professor Donahue during the Spring '11 term at Long Island U..

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K and E Partner Quiz - 50-POINT PARTNER QUIZ!You may work...

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