Discussion exp 11 - However that will not be the case...

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Discussion The objective of part A in this experiment was to determine the heat capacity of a Styrofoam calorimeter. The reason this must be done is because most calorimeters are not perfect insulators, and the amount of heat absorbed by the calorimeter during a chemical reaction must be taken into account. By adding hot water to room temperature water and recording the temperatures the heat capacity can be calculated. The heat gained by the colder water in the calorimeter and the heat lost by the hot water should be equal in a perfectly insulated container.
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Unformatted text preview: However, that will not be the case because the calorimeter will absorb a small amount of heat during transfer. In part B of this experiment two reactions are completed in the calibrated calorimeter to see the heat that is given off by the reactions. The first reaction was Mg + 2HCl MgCl 2 + H 2 and the other reaction was MgO + 2HCl MgCl 2 + H 2 O. Both reactions released heat and the enthalpy of the reaction can be calculated. Work Cited Chemistry 1310 Lab Manual; Leigh Bottomley and Charles T. Cox Jr....
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