How much heat is required to heat water in a pool weighing 2 tons from 15 C to 25 C?

How much heat is required to heat water in a pool weighing 2 tons from 15 C to 25 C? (specific heat capacity of water c = 4200 J / kg * C)

To determine the cost of heat for heating water in the pool, we will use the formula: Q = Cw * m * (t – t0).

Variables and constants: Sv – specific heat capacity of water (by condition Sv = 4200 J / (kg * ºС)); m is the mass of water in the pool (m = 2 t; in SI m = 2000 kg); t is the final water temperature (t = 25 ºС); t0 – initial temperature (t0 = 15 ºС).

Calculation: Q = Cw * m * (t – t0) = 4200 * 2000 * (25 – 15) = 42 * 10 ^ 6 J (42 MJ).

Answer: To heat the water in the pool, you need to spend 42 MJ of heat.