Density pdf - Density A Introduction 1 B Calculate d 1 C Calculate m 2 D Calculate V 2 E Misc problems 3 F More complexity 3 G Answers 4 A

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Density A. Introduction. ................................................................................................... 1 B. Calculate d . .................................................................................................... 1 C. Calculate m . ................................................................................................... 2 D. Calculate V . ................................................................................................... 2 E. Misc problems. ............................................................................................... 3 F. More complexity?. .......................................................................................... 3 G. Answers . ........................................................................................................ 4 A. Introduction Density is the ratio of mass to volume; d = m/V. Because d is such a ratio, it is an intensive property. That is, d is a property of the material, but does not depend on how much you have. [d also depends on conditions, especially temperature and pressure. Effects of these variables are very large for gases, but modest for solids and liquids. We will ignore them here.] The Greek letter ρ (rho) is also used for density. The density equation contains three terms (d, m, V). In general, in density problems you know two of these and want to calculate the third. Most density problems can be solved by careful attention to the units, even if you do not precisely remember the above equation. In fact, this worksheet assumes that you generally understand the use of dimensional analysis as a problem solving tool; see the Dimensional Analysis worksheet if you want some help with that topic. B.
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This note was uploaded on 03/14/2011 for the course CHEM 237 taught by Professor Andersen during the Spring '08 term at University of Washington.

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Density pdf - Density A Introduction 1 B Calculate d 1 C Calculate m 2 D Calculate V 2 E Misc problems 3 F More complexity 3 G Answers 4 A

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