1. Change in state: It is over all effect of Intermolecular forces, molecular Interactional energy & thermal energy:
2. Measurable properties of gases: P, V, T, n, Viscosity, specific heat are some measurable properties.
3. Gas Laws: The quantitative relationship b / w any two of the variables( V, n, P, T) when other two are constant.
4. Boyle’ s Law: The pressure of fixed msss of gas varies inversely with the volume at constant T. P α 1 / V( n, T const.)
P1V1 = P2 V2
5. |
Charle’ s Law: At constant P, the volume of fixed amount of gas |
varies directly with its absolute temperature. |
V |
V 1 V 2 |
V α T or |
T cons tan t,
T
|
T |
|
1 2 |
|
6. Gay lussac’ s Law: At constant V, The pressure of fixed amount of gas varies directly with its absolute temperature.
P α T or
P const,
T
7. Ideal gas equation: The relationship b / w P, V and T by Gas Laws PV = nRT.
8. Avogadro’ s Law: At given T and P, the volume of gas varies directly to the amount of gas. V α n( P, T constant)
9. Dalton’ s Law of partial persure: The pressure enerted by a mixture of non reacting gases is equal to the sum of their partial pressure at constant( V, T)
P( total) = P1 + P2 + P3 + ……….( T, V, constant)
P
1
T
1
P
2
T
2