Question

(a) How much heat is required to raise by 13.20°C the temperature of 1.7 kg of...

(a) How much heat is required to raise by 13.20°C the temperature of 1.7 kg of water.

(b) How much heat is required to raise by 13.20°C the temperature of 1.7 kg of iron.

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Answer #1

a) temperature difference = 13.20 degree C

m = 1.7 Kg

heat required to increase temperature = m * specific heat of water * temperature difference

heat required to increase temperature = 1.7 * 4186 * 13.20

heat required to increase temperature = 92933 J

the heat required to increase temperature of water is 92933 J

b)

temperature difference = 13.20 degree C

m = 1.7 Kg

heat required to increase temperature = m * specific heat of iron * temperature difference

heat required to increase temperature = 1.7 * 450 * 13.20

heat required to increase temperature = 10998 J

the heat required to increase temperature of iron is 10998 J

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