Combined Gas Law
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Gases  The Ideal Gas Law.
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Dr. Hayek
Key Questions

The combined gas law relates the variables pressure, temperature, and volume whereas the ideal gas law relates these three including the number of moles.
The equation for the ideal gas law is PV/T = k
P represents pressure, V represents volume, T temperature in kelvin
k is a constant.The ideal gas PV= nRT
Where P,V,T represent the same variables as in the combined gas law. The new variable, represents the number of moles.R is the universal gas constant which is
0.0821 (Liters x atmospheres/mol x Kelvin).You can rewrite equation as PV/nT =R

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Videos on topic View all (4)
Gases

1Kinetic Theory of Gases

2Gas Pressure

3Measuring Gas Pressure

4Atmospheric Pressure

5Absolute Zero

6Gas Laws

7Ideal Gas Law

8Molar Volume of a Gas

9Gas Stoichiometry

10Partial Pressure

11Boyle's Law

12Charles' Law

13Avogadro's Law

14Gay Lussac's Law

15Combined Gas Law

16Preparation and Reactions of Gases