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Unformatted text preview: the number, 0 . 7887 rounds to 0 . 789 with a std. deviation oF ± . 002 (the measurement average can only be as precise as the std. deviation will allow). 002 10.0 points Which oF the Following is an extensive property oF matter? 1. density 2. melting point 3. weight correct 4. color 5. specifc gravity Explanation: 003 10.0 points What is the volume oF a 2 . 50gram block oF metal whose density is 6 . 72 grams per cubic centimeter? 1. 16 . 8 cm 3 2. 2 . 69 cm 3 3. 1 . 60 cm 3 4. . 372 cm 3 correct 5. . 0595 cm 3 Explanation: 004 10.0 points Round o± 32 , 175 , 000 μm to two signifcant fgures. 1. 3 . 2 × 10 7 μ m correct 2. 3 . 2 μ m 3. 3 . 2 × 10 5 μ m 4. 3 . 2 × 10 6 μ m 5. 3 . 2 × 10 8 μ m Explanation: 32 , 175 , 000 μ m = 3 . 2 × 10 7 μ m...
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This note was uploaded on 10/21/2009 for the course CH 53395 taught by Professor Lyon during the Spring '09 term at University of Texas at Austin.
 Spring '09
 Lyon

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