Peanut lab - Energy of Nuts Chemistry- 3 Period th May 5 ,...

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Energy of Nuts Chemistry- 3 rd Period May 5 th , 2009 By: Purpose: In this lab you will determine the energy content in peanuts and almonds. Hypothesis: If we put H 2 O (water) in an empty alluminum can and burned a peace of a certain variey of nuts then , the the temperature of the water will rise because , the energy that is given off between the burning but will produce heat in which the effect results in rise of temperature. Variable(s): Independent Variable: The type of nut. Dependent Variable: The Temperature of the H 2 O (Water). Controlled Variable: The temperature of the flame, can, & cork/tack.
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Procedure: 1. Split a whole peanut into two halves. Find the mass of one peanut half on the triple-beam balance. 2. Find the mass of an almond on the triple-beam balance. 3. Carefully press the peanut half lengthwise onto the tack on the cork stopper. Be careful not to prick your finger. Set aside the cork. 4. Fill the soft-drink can with 100-mL of tap water.
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This note was uploaded on 02/07/2012 for the course ECON 101 taught by Professor Carr during the Spring '08 term at greenriver.edu.

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Peanut lab - Energy of Nuts Chemistry- 3 Period th May 5 ,...

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