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how much heat is raised when 275 grams of water cools from 85.2 degrees C to 38.4 degrees C?

2007-03-11 15:56:12 · 2 answers · asked by Anonymous in Science & Mathematics Chemistry

2 answers

Q=mcdeltaT c for water= 1 cal/C.g
Q=275g * 1cal /C.g * (85.2 - 38.4 )
= 275 * 1 * 46.8 C
=12870 cal
=12.870 kcal

2007-03-11 16:12:22 · answer #1 · answered by Anonymous · 0 0

I presume that the questioner means ''heat released'' rather than heat raised.
The answer can be found out as follows,
q=275 X 1 X (85.2 - 38.4)=12870 calories=12.87 Kcal.

2007-03-19 11:06:36 · answer #2 · answered by Yako 2 · 0 0

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