F09_230_E2_blank-1 - CHEM 230 F09 E2 Name:_ 1) The freezing...

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CHEM 230 F09 E2 Name:__________________ 1) The freezing point of which of the following aqueous solutions would be lowest? Assume complete dissociation of all electrolytes. A) 0.1 m Ca(NO 3 ) 2 B) 0.1 m KNO 3 C) 0.1 m HCl D) 0.1 m sucrose 2) Which of the following indicates very weak intermolecular forces in a liquid? A) a very high boiling point B) a very high vapor pressure C) a very high enthalpy of vaporization 3) What would happen in this system? A) NaCl moves from A to B B) NaCl moves from B to A C) Water moves from A to B D) Water moves from B to A E) There will be no net change 4) Several beakers are prepared, containing 1000 g of the same solvent in each. Five grams of non-ionizing solutes are added, one solute to each beaker. The greatest effect on boiling point will be noticed with the solute with the: A) highest molecular weight B) highest melting point C) lowest molecular weight D) lowest melting point 5) When the equilibrium constant for a reaction at equilibrium is 1x10 -12 , which of the following statements are TRUE. List all that are TRUE. ( There may be more than 1 correct answer. ) A) If the equilibrium is established by adding both reactants, the change in their concentrations/pressures will be small. B) The Δ G o of the reaction is a large, positive quantity C) There are no products present at equilibrium D) The reactants are completely consumed.
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This note was uploaded on 03/29/2010 for the course CHEMISTRY 230 taught by Professor Gottfried during the Fall '10 term at University of Michigan.

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F09_230_E2_blank-1 - CHEM 230 F09 E2 Name:_ 1) The freezing...

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