After a water had boiled, the temperature of the water decreases by 22degrees. the mass of the water in the kettle is 0.50kg. the specific heat capacity of the water is 4200j. calculate the energy transferred to the surrounding from the water.

Answer

46,200 J

The energy of given out when a substance is losing heat is given by:

H = mcΔθ

Where m is the mass of the substance,

            c is the specific heat capacity of the substance and

           Δθ is the temperature change.

H = 0.50 × 22 4200

  = 46,200 Joules.

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