ChemicalRxns - Michael Glamore September 15, 2005 Chemical...

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Michael Glamore September 15, 2005 Chemical Reactions Vance Breakwell
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Purpose: This laboratory experiment is able to give students several different chemical reactions in order for them to understand the several different types. Other important observations need to be made according the ideas or acids and bases in order to perform more neutralization reactions. Other key concepts such as precipitate, solubility or complexation are able to open the door into the real concepts of chemistry. Additional practice in balancing and understanding chemical formulas and their relationships according to the law of conservation of mass according to balanced chemical equations are also necessary. Note: This experiment is qualitative. Formulas Needed for experimentation: 1 mol (g) = 6.022 x 10 23rd Observations This experiment has 9 different and clearly defined parts: A1. Magnesium Sulfate and Barium Chloride MgSO 4 + BaCl 2 = BaSO 4 + MgCl 2 Mixing these two compounds together created a double-displacement reaction. The reaction creates a white and opaque liquid without an obvious precipitate. Double displacement reactions are easy to balance because they simply exchange partners. A2. Sodium Carbonate and Hydrochloride Na 2 CO 3 + 2HCl = H 2 O + CO 2 + 2NaCl This balanced equation is able to demonstrate another double- displacement reaction in which CO 2 fizzes strongly out of the given compound to create a light noise, bubbles and will continue to do so for the entire addition of the large amount of HCl. A3. Acetic Acid and Sodium Hydroxide HC 2 H 3 O 2 + NaOH = NaC 2 H 3 O 2 + H 2 O This reaction has an undetermined molarity in the compound sodium hydroxide. Determining the molarity is based on the number of drops it took to
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ChemicalRxns - Michael Glamore September 15, 2005 Chemical...

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