(a(i))[2]
Describe, with reference to particles, how evaporation leads to cooling.
(a(ii))[1]
State one difference between evaporation and boiling.
(b(i))[2]
Explain how the cooling coils produce a convection current in the air inside the refrigerator.
(b(ii))[2]
The food in the refrigerator starts at $20.0\,^\circ\text{C}$. It has a mass of $3.6\,\text{kg}$ and a specific heat capacity of $3000\,\text{J}\,(\text{kg}\,^\circ\text{C})^{-1}$. Calculate the final temperature of the food after $160\,000\,\text{J}$ of thermal energy is taken away from it.