AP Chem Gas Formulas
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15 Terms
1
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Eqn relating avg kinetic/translational energy of a single molecule and temperature
KE=cT
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What is c
3R/2N
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What is R (include units)
8.31 J/(mol*K)
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1 L*atm=___J
101.3
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What is N
Avogadro’s number
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Eqn for avg KE
KE=3RT/2
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What is avg KE of a single molecule ALSO equal to?
m(mew)^2/2
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Formula for speed in Graham’s Law of Effusion
sqrt(3RT/molar mass)
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Specific heat of water (in J/⁰C*g)
4.184
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Change in internal energy=
q+w
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What is q
Heat absorbed by system
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What is w
Work done on system
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Change in enthalpy=
/\E+P/\V
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What is P/\V equivalent to?
/\ngasRT
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What is work at a constant pressure?
-P/\V
Note 
Flashcards (148)