Heat of Reaction - Getchell Conor Getchell Professor Witten...

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Getchell Conor Getchell Professor Witten / Amol Chemistry 1212 April 1, 2010 Heat of Reaction Introduction The aim of this experiment is to determine the enthalpy of reaction for reactions in dilute aqueous solution. The net ionic equations of the reactions are: (1) OH - (aq) + H + (aq) H 2 O(l) (2) Mg(s) + 2H + (aq) Mg 2+ (aq) + H 2 (g) With the use of the data calculated in the above equations, the heat of reaction was calculated for the reaction: (3) Mg(s) + 2H 2 O(l) Mg 2+ (aq) + 2OH - (aq) + H 2 (g) Chemical Responsibility Hydrochloric acid is toxic and corrosive and sodium hydroxide is toxic, corrosive and easily absorbed through the skin. Magnesium metal is a flammable solid. Safety glasses should be worn at all times. If any of these chemicals come in contact with skin or eyes, the contaminated area should be washed with plenty of cold water. All chemicals and mixtures were discarded into the waste acid-base container. Report Sheet (attached)
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Getchell Discussion of Results
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