# Formulas of Gaseous State

**Boyle’s law,**

(At constant temperature)

**Charle’s law;**

**Gas equation,**

Ideal gas equation, PV = nRT.

**Avogadro’s hypothesis;**

(At const. temperature and pressure)

**Dalton’s Law,**

**Graham’s law,**

**Kinetic gas equation;**

**Root mean square velocity;**

**Average velocity;**

**Most probable velocity**

U : v : = 1.0 : 0.9213 : 0.8177

: v : u = 1.0 : 1.128 : 1.234

**Van der Waals equation,**

**Critical components,**

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