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bria2nacrysbeccabel
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  • 09-06-2016
  • Chemistry
Answered

How many calories are absorbed by a sample water with a mass of 500 grams as it changes from 50 degrees C to 65 degrees C?

Verified Answer :

Hagrid
Hagrid Hagrid
  • 10-06-2016

H
= mCpT

H
= (500 grams water)( 4.18 J/ g - degrees C) (65 - 50)

H =31,350 J

since 1 cal = 4184 joules

31,350 Joules (1 calorie/ 4184 joules) = 7.49 calories

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