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torque torque
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11 years ago
I have a test coming up tomorrow, and I can't seem to calculate this.

Calculate the energy released to cool down 100( Degree Celsius) of mass 2kg to water. (Ans: 4772000J)
 
And also:
Calculate the energy required to change 1.5kg of ice at 0( Degree Celsius) to steam at 100 (Degree Celsius) (Ans: 451000J)

It would be great to show the steps an elaborate.
THANKS
Can you also tell me the formula for that? It's getting me confused.
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trm76trm76
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11 years ago
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