1.
Sublimation temperature of dry ice (solid CO₂) is __________ °C.

2.
The equation relating E, P, V and T which is true for all substanes under all conditions is given by (∂E/∂V)T = T.(∂P/∂T)H - P . This equation is called the

3.
Henry's law is closely obeyed by a gas, when its __________ is extremely high.

4.
If an ideal solution is formed by mixing two pure liquids in any proportion, then the __________ of mixing is zero.

5.
The ammonia synthesis reaction represented by N₂ + 3H₂ ⇋ 2NH₃ ; ΔH = - 22.4 kcal, is