AP_Physics_B_-_Gas_Laws

AP_Physics_B_-_Gas_Laws - GasLaws AP Physics B...

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    Gas Laws AP Physics B
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The Periodic Table All of the elements on the periodic table are referred to in terms of their atomic mass. The symbol u is denoted as an atomic mass unit. Atomic # - # of protons OR electrons Atomic Mass - # of protons + Neutrons 1 amu = 1.66 x 10 -27 kg
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The Mole The word “mole” is derived from Latin to mean “heap” or “pile”. It is basically a chemical counting unit. Below, what we have is called the Mole Road Map and it summarizes what a mole equals. 1 MOLE Atomic Mass from P.T Avogadro’s # = 6.02 x 10 23 Particles 22.4 Liters gas @ STP STP = Standard Temperature and Pressure ST = 0 degrees Celsius or 273 Kelvin SP = atmospheric pressure
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Example A flexible container of Oxygen(O 2 ) has a volume of 10.0 m 3 at STP. Find the # moles and molecules that exist in the container = - ) 1 0 . 32 )( 4 . 22 1 )( 10 1 1 ( 10 3 3 3 mole g L mole m x L m 14,285.71 moles = ) 1 10 02 . 6 ( 71 . 285 , 14 23 mole particles x moles 8.51x10 29 particles
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This note was uploaded on 11/18/2011 for the course PHYS 121 taught by Professor Burgeson during the Fall '11 term at BYU.

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AP_Physics_B_-_Gas_Laws - GasLaws AP Physics B...

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