What amount of heat should be transferred to ice weighing 2 kg at a temperature of -10C so that it began to melt?

Data: m (ice mass) = 2 kg; t0 (temperature at which the ice was originally located) = -10 ºС.

Constants: С (specific heat capacity of ice) = 2100 J / (kg * ºС); tmelt (temperature at which ice begins to melt) = 0 ºС.

The amount of heat that must be imparted to the ice to reach a temperature of 0 ºС is determined by the formula: Q = C * m * (tmelt – t0).

Calculation: Q = 140 * 2 * (0 – (-10)) = 2800 J (2.8 kJ).

Answer: If you give 2.8 kJ of heat to ice, further heat transfer will begin to melt it.