web_quiz_4 - Grodin Micah Webquiz 4 Due 11:00 pm Inst Sara...

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Unformatted text preview: Grodin, Micah Webquiz 4 Due: Nov 22 2005, 11:00 pm Inst: Sara Sutcliffe This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. The due time is Central time. 001 (part 1 of 1) 10 points Which of the following processes results in an increase in the system entropy? 1. subliming dry ice (solid carbon dioxide) 2. combing hair 3. placing 5 coins heads up 4. crystallizing a salt from water by cooling 5. freezing a liquid 002 (part 1 of 1) 10 points How many structural isomers of C4 H10 are there? 1. 4 2. 2 3. 5 4. 3 5. 1 003 (part 1 of 1) 10 points For which of the following processes does the entropy of the universe decrease? 1. freezing one mole of water to ice at 0 C 2. None of these is correct. 3. freezing one mole of water to ice at -10 C 4. melting one mole of ice to water at 0 C 5. freezing one mole of water to ice at 0 C and then cooling it to -10 C 1 004 (part 1 of 1) 10 points The sun's energy that reaches the earth's surface each hour of every day is enough to meet the world's total energy demand for 1. one month. 2. one day. 3. one year. 4. one week. 005 (part 1 of 1) 10 points Which of the following is a non-renewable resource of energy? 1. coal 2. wind 3. geothermal source 4. hydroelectric source ...
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This test prep was uploaded on 04/07/2008 for the course CH 304k/305k taught by Professor Sutcliffe during the Fall '05 term at University of Texas.

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