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July 23, 2014

Homework Help: chemistry

Posted by hayley on Tuesday, September 17, 2013 at 9:06pm.

a student burns a peanut in a calorimeter. she places 10 ml of water in a test tube. she weighs a peanut before and after burning it. It weighs 3 grams before and 1 gram after burning. She determines that the temperature was at 20 degrees C before and 70 degrees C afterwards. How many kcals/g did the peanut contain?

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