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Degger [83]
3 years ago
8

When 3000 g of water is cooled from 80.0C to 10.0C, how much heat energy is lost?

Advanced Placement (AP)
1 answer:
arsen [322]3 years ago
6 0

Answer:

878640\ \text{J}

Explanation:

m = Mass of water = 3000 g

c = Specific heat of water = 4184\ \text{J/kg}^{\circ}\text{C}

\Delta T = Change in temperature of water = (10-80)^{\circ}\text{C}

Heat is given by

Q=mc\Delta T\\\Rightarrow Q=3\times 4184\times (10-80)\\\Rightarrow Q=-878640\ \text{J}

Heat energy lost is 878640\ \text{J}.

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