Fill in the blanks:

(a) The average kinetic energy of the molecules of a gas is proportional to the ……………

(b) The temperature on the Kelvin scale at which molecular motion completely ceases is called ……………

(c) If the temperature is reduced to half, …………… would also reduce to half.

(d) The melting point of ice is …………… Kelvin.

Correct the following statements, wherever necessary.

(a) The volume of a gas is inversely proportional to its pressure at constant temperature.

(b) Volume of a fixed mass of a gas is directly proportional to its temperature, pressure remaining constant.

(c) 0°C is equal to zero Kelvin.

(d) Standard temperature is 25°C.

(e) The boiling point of water is 273 K.

Write the value of:

(a) Standard temperature in:

(i) °C (ii) K

(b) Standard pressure in:

(i) atm (ii) mm Hg (iii) cm Hg (iv) torr

State the following:

(a) Volume of a gas at 0 Kelvin.

(b) Absolute temperature of a gas at 7°C.

(c) Gas equation.

(d) Ice point in absolute temperature.

(e) S.T.P. conditions