Measurement of thermal energy questions | form three Physics

Explain in terms of kinetic theory of matter;
(i) What changes is taking place while the liquid is boiling?
(ii) Why it takes longer to boil a tea on top of high mountains than at the sea level?

Answer / Solution

UNSOLVED

(i) Define heat capacity.
(ii) Calculate the final temperature of water formed if 8.4 KJ of heat is supplied to 0.02 kg of ice at 0°C.

Answer / Solution

UNSOLVED

What quantity of heat is required to raise the temperature of 25 kg sample of mercury from 20°C to 30°C?

1. 1,743,750 J
2. 348,750 J
3. 345,750 J
4. 1,550,750 J
5. 413,750 J.

Answer / Solution

UNSOLVED

The name given to the heat which is required to raise the temperature of a body by 1 K is …….

Answer / Solution

Heat Capacity