(a) List two factors each that affect heat loss by: (i) radiation; (ii) convection. (b) State two factors that determine the quantity of heat in a body. (c)...

(a) List two factors each that affect heat loss by:

(i) radiation;

(ii) convection.

(b) State two factors that determine the quantity of heat in a body.

(c) Explain the statement: The vecilic latent heat of vaporization of mercury is 2.72 x 10\(^5\) Jkg\(^{-1}\).

(d)A jug of heat capacity 250 Jkg\(^{-1}\) contains water at 28°C. An electric heater of resistance 35\(\Omega\) connected to a 220 V source is used to raise the temperature of the water until it boils at 100°C in 4 minutes. After. another 5 minutes, 300 g of water has evaporated. Assuming no heat is lost to the surroundings, calculate the:

(i) mass of water in the jug before heating;

(ii) specific latent heat of vaporization of steam. [Specific heat capacity of water = 4200 kg\(^{-1}\)K\(^{-1}\)]