SUPPL INSTR FOR CH 302 (GE 206E) - Quiz1Solutions

SUPPL INSTR FOR CH 302 (GE 206E) - Quiz1Solutions -...

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Unformatted text preview: Johnson, Chelsea Quiz 1 Due: Feb 5 2007, 10:00 am Inst: Walker 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. Read all of the options before choosing one. There may be cases in which more than one response appears to be true. PICK THE RE- SPONSE THAT BEST answers the question asked. 001 (part 1 of 1) 7 points CaBr 2 will most likely dissolve in which sol- vent? 1. BI 3 2. C 8 H 18 3. H 2 O correct 4. Br 2 5. CCl 4 Explanation: CaBr 2 is an ionic compound. Like dissolves like, so the solvent most likely to dissolve CaBr 2 will be polar. H 2 O is the only polar molecule given. 002 (part 1 of 1) 7 points Calculate the vapor pressure at 25 C of a mixture of benzene and toluene in which the mole fraction of benzene is 0.650. The vapor pressure at 25 C of benzene is 94.6 torr and that of toluene is 29.1 torr....
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SUPPL INSTR FOR CH 302 (GE 206E) - Quiz1Solutions -...

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