AP Chem Gas Study Info
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Mass (in grams) of gas | w=nM
or
w=dV
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| Variations of Ideal Gas Law | PV=(w/M)RT
or
PV=(d/M)RT
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| SI version of Gas Constant R (Pa*m3 -> J/molK) | 8.3145
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| When collecting a gas over a liquid | P[gas]=P[total] - P[liquid]
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| STP version of Gas Constant R (L*atm/molK) | 0.0821
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| Ideal Gas Law | PV=nRT
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| Standard Molar Volume | 22.414 L
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| Avogadro's Hypothesis | equal volumes of gases under the same conditions of temperature and pressure contain the same number of molecules
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| Avogadro's Number | 6.02E23
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| Density Equation | D=m/V
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| Charle's Law | constant pressure
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| Density varies inversely to volume | D1V1=D2V2
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| Boyle's Law | constant temperature
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| Standard Pressure | 1 atm
101,325 Pa
760 torr
about 1 bar
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| Pressure in Pascals | P[Pa]= force[N]/area[m2]
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| Pressure exerted by a column of fluid | P=height*density*9.81
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| Dalton's law of Partial Pressures | the sum of the pressures of the gases in a mixture is the total pressure exerted
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| Changes in density with temperature and pressure | D2=D1V1/V2
or
D2=(P2/P1)(T1/T2)
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| Guy-Lussac's Law | constant volume
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