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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 4…
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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 4…
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Apr 12, 2019
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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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Eric Smekens
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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
Arijit Bhattacharya
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Apr 16, 2019
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