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Unformatted text preview: Cheung, Anthony – Homework 1 – Due: Sep 8 2006, midnight – Inst: McCord 1 This print-out should have 23 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. The due time is Central time. Problems 1-16 on this assignment are BASIC chemistry questions. Stuff you should already have learned in High School. For a refresher on this material look in the Fun- damentals sections of your book (the green edged pages at the front, Chapters A-M, or pages F1-F94). Problems 17-23 are from Chapter 1. This is where we officially START our course. 001 (part 1 of 1) 10 points Which of the following is a chemical property of sulfur? 1. melts at 119 C 2. burns in air 3. density of 2.07 g/ml 4. dissolves in carbon disulfide 002 (part 1 of 1) 10 points Which of the following is an intensive prop- erty? 1. mass 2. volume 3. number of moles of molecules 4. weight 5. density 003 (part 1 of 1) 10 points Which of the following describes a chemical change? 1. water is heated from 0 ◦ C to 50 ◦ C 2. wood is carved 3. alcohol evaporates 4. gasoline burns in an engine 004 (part 1 of 1) 10 points Which of the following is an extensive prop- erty?...
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- Fall '07
- Chemistry, Electromagnetic spectrum, Chemical substance, Chemical compound