experiment #8

experiment #8 - Experiment #8 Calorimetry and Hess's Law...

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Experiment #8 Calorimetry and Hess's Law Kevin Falting Chemistry 117-529 November 4 th , 2009 Lab Partner: Zach Thomas Summary: Experiment number eight was over Calorimetry and Hess's Law. Calorimetry is the science of measuring the heat absorbed or evolved during the course of a chemical reaction or change of state. Hess's Law states that the overall enthalpy change in a reaction is equal to the sum of the enthalpy changes of the individual steps of the process. We did this experiment to understand the process of calorimetry and to find an experimental value for the production of Magnesium Oxide through the state changes of other chemical reactions. By doing these other reactions we can indirectly determine the heat exchange in the formation of Magnesium Oxide. Throughout the experiment we made careful measurements on the mass of the materials we were using and the temperature. In doing this we were able to indirectly calculate the heat exchange in the formation of Magnesium Oxide.
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This note was uploaded on 02/23/2010 for the course CHEM 107 taught by Professor Generalchemforeng during the Fall '07 term at Texas A&M.

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experiment #8 - Experiment #8 Calorimetry and Hess's Law...

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