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pk chem 5

# pk chem 5 - Solids liquids and gases...

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Solids, liquids and gases http://whyfiles.larc.nasa.gov/text/kids/Problem_Board/problems/sound/images/sound_travels01.gif
Pressure Def: Pressure is the force exerted per unit area. P = Force Area Which of theses cubes (both have same mass)will exert more pressure when placed on an even surface? Why?

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http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/FG06_04.JPG Barometric pressure Barometric pressure: height of mercury. Varies with conditions and altitude.
Manometer http://cwx.prenhall.com/petrucci/medialib/media_portfolio/text_images/FG06_05.JPG

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Boyle’s law http://genchem.chem.wisc.edu/demonstrations/Gen_Chem_Pages/05gasespage/monster_marshmallow.htm http://www.phschool.com/atschool/science_activity_library/images/solids_liquids_gases_boyle.jpg At constant temperature, volume is inversely proportional to pressure for a fixed amount of gas.
Mathematical form of Boyle’s law http://cwx.prenhall.com/bookbind/pubbooks/hillchem3/medialib/media_portfolio/text_images/CH05/FG05_06.JPG PV = K K = constant P i V i = P f V f i = initial condition f = final condition

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