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Answer to Question #270417 in Physics for haze
Question #270417
How much heat is needed to heat up 70 g of water from 20oC to 80oC in kcal?
Expert's answer
The amount of heat needed to heat up water
"Q=cm\\Delta t\\\\\n={\\rm 1\\: cal\/g\\cdot K*70\\: g*(80-20)\\: K}\\\\\n=\\rm4200\\:cal=4.2\\: \\rm kcal"
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