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How much thermal energy does it take to raise the temperature of 4.5 kg of water from 12°C to 97°C? The specific heat of water is 1.68 kJ/(kg × °C).

How much thermal energy does it take to raise the temperature of 4.5 kg of water from-example-1

1 Answer

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Step-by-step explanation:

  • Q=mc(T-T)=4.5×1.68×10³×[95-12)=642600=642.6kJ~~640kJ