Mercury melts at -38.87°C (234.13 K) at 1 atm (101,325 N/m2) pressure. The densities of liquid and solid mercury are 13.69 g/c.c. (13.69 x IO3 kg/m3) 33 and 14.19 g/c.c. (14.19 x 10 kg/m ) respectively at the normal melting point. 7 The heat of fusion of mercury is 2.33 cal/g (9.75 x 10 J/kg). Calcu

Liquid mercury boils at 357°C (630 K) at 1 atm (101,325 N/m2). Calculate i t s approximate vapour pressure at 100°C (373 K), assuming that i t follows Trouton's rule.

he densities of ice and liquid water at 1 atm (101,325 N/m2) and 0°C (273 K) are 0.917 g/c.c. (0.917 x IO3 kg/m3) and 0.9998 g/c.c. (0.9998 xio3 respectively. The heat of fusion of water is 80 cal/g (334.72 x 10 J/kg). o Calculate the melting point of ice at 0.5 atm (50,662.5 N/m ) and 101 atm (102,338 X IO2 N/m2).

The melting point of cadmium at 1 atm (101,325 N/m2) is 321°C (594 K) and its heat of fusion is 13.66 cal/g (57.15 xio J/kg). The volume change on the melting of cadmium is +0.0064 c.c./g (+0.0064 xl0~3 m3/kg). Calculate 2 the melting point of cadmium, (a) at 2 atm (202,650 N/m ) pressure, and (b) in vacuo.

Coefficient of real expansion of mercury is 0.18 × 10–3/°C. If the density of mercury at 00C is 13.6 gm/cc., its density at 573 K will be

The densities of liquid and solid bismuth are 10.0 g/c.c. (10x10 kg/m ) and 9.673 g/c.c. (9.673 x IO3 kg/m3) respectively at the normal melting point 270°C (543 K). The heat of fusion is 2.633 kcal/mole (11.02 kJ/mol). Calculate the melting point of bismuth under a pressure of 100 atm (101,325 x 22 10 N/m ) . Atomic weight of bismuth is 209.