A 920-g empty iron kettle is out on a hot stove. how much heat must the kettle absorb to raise its temperature 15.0 Celsius to 93.0 celsius the especific heat capacity iron is 470 j/kg * k

Question

Physics

Kaylynn Fritz

4 March, 11:12

A 920-g empty iron kettle is out on a hot stove. how much heat must the kettle absorb to raise its temperature 15.0 Celsius to 93.0 celsius the especific heat capacity iron is 470 j/kg * k

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Answers (1)

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Rover · Answer 1

Heat absorbed, Q is given by;

Q = mCΔT, where m = mass of kettle = 920 g = 0.92 kg; C = Specific heat capacity = 420 J/kg. K, ΔT = change in temperature = 93-15 = 78 K

Substituting;

Q = 0.92*420*78 = 30,139.2 J