ch 204 quiz 1 - 1 0268 ± 001821 g/mL at 25 ◦ C Which oF...

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Version 054/AADBC – Quiz 1 – Lyon – (53295) 1 This print-out should have 4 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. Please check your bubble answer sheet to be sure you have correctly bubbled your name, EID and quiz version number. 001 10.0 points Which oF the Following properties oF a sub- stance does not change when the amount oF the substance changes? 1. mass 2. volume 3. heat content 4. temperature correct Explanation: The temperature oF a substance does not depend on how much oF that substance is present. Temperature is an intensive prop- erty that is not dependent on the amount oF matter. 002 10.0 points The density average For three measurements oF blood plasma was determined to be
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Unformatted text preview: 1 . 0268 ± . 001821 g/mL at 25 . ◦ C. Which oF the Following is the correct choice For record-ing the density oF ethanol? 1. 1 . 027 ± . 002 g/mL correct 2. 1 . 026 ± . 0018 g/mL 3. 1 . 03 ± . 001 g/mL 4. 1 . 0268 ± . 0018 g/mL 5. 1 . 027 ± . 001 g/mL Explanation: 003 10.0 points Round o± 0 . 04721 m to two signifcant fgures. 1. . 05 m 2. . 0472 m 3. . 047 m correct 4. . 04721 m 5. . 0471 m Explanation: . 047 21 m = 0 . 047 m or 4 . 7 × 10 − 2 μ m 004 10.0 points What is the volume oF a 5 . 00 g pure aluminum cylinder iF its density is 2 . 70 g / cm 3 ? 1. 5 . 00 cm 3 2. . 540 cm 3 3. 1 . 85 cm 3 correct 4. 7 . 41 × 10 − 2 cm 3 5. 13 . 5 cm 3 Explanation:...
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This note was uploaded on 06/05/2010 for the course PHYS 92515 taught by Professor Tsoi during the Spring '10 term at University of Texas.

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