Stoichiometric Calculations

Stoichiometric Calculations - Stoichiometric Calculations...

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Stoichiometric Calculations Jose Galvan Dr. Gevorg Sargsyan 1411 General Chemistry Lab SW1 April 27, 2016 Abstract: The purpose is to teach the concept of Stoichiometric Determinations and how to find the limiting reactant. Stoichiometric Determinations indicate mass proportions in chemical reactions. A chemical reaction is the process of joining two or more substances to make a new one, or new ones. The limiting reactant is the one that gets consumed first therefore it limits the amount of the rest reactants that is used, and the amount of the products. A reaction in between Hydrochloric acid (HCl) and Sodium Hydroxide (NaOH) is tested in different but constant amounts of both while the change in temperature is recorded. As less milliliters of HCl reacted with more of NaOH the temperature changes increased until it reached a max temperature change of 6.7 degrees when the amounts of solutions were equal, after the temperature change decreased. Introduction: Stoichiometry is the process into which quantities of elements or compounds are calculated using proportions. In the Stoichiometric Calculations Lab a reaction in between NaOH and HCl was observed. The limiting reactant was explained and then related to the change in temperature. Solutions of 1M of each component were used. M is molarity or moles per litter.
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