Sol'ns Prob. Set 1 09-103 F 06

Sol'ns Prob. Set 1 09-103 F 06 - Solutions/Grading Key...

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Solutions/Grading Key Problem Set 1 (20 points total) 09-103 Fall 2006 ( 1 point) a. 1.5 × 10 3 m b. 9.58 × 10 11 m (1/2 point each answer) 2. Give the name and chemical symbols of three nonmetals. ( 2 points ) Various answers are acceptable (2 points total; -1/2 for each incorrect answer) 3. Give the name and chemical symbols of 2 metalloids. ( 1 point ) Various answers are acceptable ( 3 point ) b. compound c. mixture d. element (1 point each answer) 5. Name the compounds that correspond to the following chemical formulas: ( 4 point s ) (a) Ca 2 N 3 (b) P 4 O 10 (1 point each - -1/2 for each error) Calcium nitride tetraphosphorus decaoxide (c) Al 2 O 3 (d) SO 3 Aluminum oxide sulfur trioxide 6. Problem 19(c) Ch. 1 ( 2 points) 2 S (s) + 3 O 2 (g) 2 SO 3 (g) (states of matter unnecessary; deduct ½ point for each error) 7. Problem 37 Ch. 1 ( 3 points – 1 point for each answer; award ½ point extra credit for each correct explanation)
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This note was uploaded on 01/20/2012 for the course CHEMISTRY 103 taught by Professor Unknown during the Spring '08 term at Carnegie Mellon.

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Sol'ns Prob. Set 1 09-103 F 06 - Solutions/Grading Key...

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