Exam 5 Formula’s

1 ATM is = to…
760 torr
760 mm Hg
101.25 K Pascal
Ideal Gas Law
p * v =
p * v = n * r * t

Is this information for COMBINED gas law or IDEAL gas law?

p = ______ and should be in _____. v = ______ and should be in _____. n = ______. r = ______. t = ______ and should be in _____. d = ______.

p = PRESSURE in ATM v = VOLUME in LITERS n = # OF MOLES r = GAS CONSTANT, 0.08206 t = TEMPERATURE in KELVIN d = DENSITY
Ideal Gas Law
Molar Mass = _______ / _______
or
Molar Mass = _______ /________
Molar mass = (mass x r x t) / (p x v)

Molar mass = (d x r x t) / p

Use the Combined Gas Law when you have _ ______.
Use when you have 2 CONDITIONS!

Combined Gas Law Formula (1)

*For this formula you ____ ____ need to convert mL to Liters**

(P1 x V1) / T1 = (P2 x V2) / T2 DO NOT CONVERT ML TO L!
Standard Temperature Pressure (STP) means…
TEMPERATURE = 273Kelvin
PRESSURE = 1 ATM
x

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