Online Homework results #1 (Jan23)

Online Homework results #1 (Jan23) - dimensional analysis...

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Online Homework results: Question 1: You answered B . Correct Question 2: You answered A . Correct Question 3: You answered E . Correct Question 4: You answered A . Correct Question 5: You answered C . Correct Question 6: You answered B . Correct Question 7: You answered D . Correct Question 8: You answered A . Correct Question 9: You answered B . Correct Question 10: You answered D . Correct This is 2.5 x 10 -6 g. Question 11: You answered C . Correct The silver is oxidizing (rusting). Question 12: You answered B . Correct milli represents 10 -3 . Question 13: You answered A . Sorry that's incorrect The correct answer is D This is a chemical reaction, with new products being formed. Question 14: You answered A . Sorry that's incorrect The correct answer is E 1 gram = 1 x 10 6 micrograms. Here, you can estimate that the answer should be large because there are many many micrograms in one gram. Therefore the answer should be D or E. Use unit conversion or
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Unformatted text preview: dimensional analysis to determine which one (or by inspection). Question 15: You answered B . Correct Question 16: You answered A . Correct Question 17: You answered C . Correct There are about 9,761 dust particles. Question 18: You answered A . Correct 1 in. = 25.4 mm. Question 19: You answered B . Sorry that's incorrect The correct answer is A Hypotheses can be modified or replaced if new evidence requires that kind of change. Question 20: You answered A . Correct A mg is 1/100 of a decigram. Question 21: You answered A . Correct Question 22: You answered B . Correct You answered 19 questions correctly You have taken this test 1 time(s). You are allowed to take it a maximum of 1 time(s). 19/22 = .863 86% or 90% I got 9 out of 10 points. 1 point is loose....
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This note was uploaded on 01/27/2009 for the course CHEM- 105A taught by Professor Potter during the Spring '09 term at USC.

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Online Homework results #1 (Jan23) - dimensional analysis...

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