03 HW - Density and Sig Fig Calcs

# 03 HW - Density and Sig Fig Calcs - Name: _ Date: _ WKST...

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Name: __________________________________________ Date: ____________ WKST #2: Density Calculations and Significant Figures (35 points) Period: __________ 1. Restate the significant figure rules for: Addition and Subtraction: Multiplication and Division: 2. Explain why in class today, the diet soda floated in the water and the regular soda sank. Your answer must include a discussion on density (what is it, how do the densities of each soda compare) and why one soda has a greater density than the other. Please show your work for each problem. This includes: Writing the formula (yes, I want to see it every time you use it) Substitution (with units) Final answer with correct number of significant figures and the correct unit Please box your final answer with units If this procedure is not followed on homework, quizzes and tests, points will be taken off. 3. Titanium, a metal that is commonly used for joint replacement surgeries as well as in sunscreen, has a density of 4.54 g/mL.

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## This note was uploaded on 01/01/2012 for the course CHEM 101 taught by Professor Donahue during the Spring '11 term at Long Island U..

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03 HW - Density and Sig Fig Calcs - Name: _ Date: _ WKST...

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