4_new - Quiz #1 holcombe (51160) This print-out should have...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Quiz #1 – holcombe – (51160) 1 This print-out should have 3 questions. Multiple-choice questions may continue on 3. II, IV, VII, and VIII only the next column or page find all choices before answering. 4. I, III, V, and VII only 001 10.0 points The colligative e f ects of 1 molal sugar solu-tion would be ? 1 molal sodium chloride solution. 1. greater than 2. the same as 3. less than correct Explanation: Sugar is a non-electrolyte so the concen-tration of particles is the concentration of dissolved sugar. Soduim chloride is an electrolyte which dis-sociates in solution, giving twice as many par-ticles as dissolved: NaCl −→ Na + + Cl Since colligative properties depend on the number of particles in solution, the colligative e f ect doubles for the NaCl(aq), compared to any identical concentration of sugar. 002 10.0 points Consider the following system at equilibrium. H 2 (g) + I 2 (g) 2 HI(g) + heat Which response includes all the following that will shift the equilibrium
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/04/2012 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas at Austin.

Ask a homework question - tutors are online