(hopefully) final draft

(hopefully) final draft - Introduction A coordination...

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Introduction A coordination complex consists of a metal ion center with various ligands that come off of the metal ion. A ligand is an ion or molecule that is links to a central metal ion. (1) The ligands do not have to be the same, and they could be various different molecules. A coordination compound can be a catalyst where the ligands and metal center make up the active site. (2) According to Le Chatelier's principle, if the equilibrium of a system is disrupted, the system will try to balance itself again in accordance with the disturbance. (3) For example, if more reactants are added to the system, the system will shift towards the products side and vice versa. In an equilibrium constant expression, the equilibrium constant, , is specific for each chemical reaction's products and reactants. Using the general equation , , which is products over reactants. In addition, is for a specific temperature and pressure in which the reaction took place. (4) A change in temperature can also drive the reaction towards either side of the equation. If a reaction is endothermic and heat is added the reaction will shift towards the products side; if a reaction is exothermic and heat is added the reaction will shift towards the reactant side. The Chemical Equilibrium & Le Chatelier's Principle lab dealt with how certain coordination compounds have altered equilibriums when different chemicals or heat is added to the system. Procedure To begin, solid CoCl 2 ·6H 2 O was gathered in a weigh boat, and the color was recorded. A few crystals of CoCl 2 ·6H 2 O were dissolved in 3mL of deionized water and 3 mL of 12M HCl in separate test tubes. The resulting solution’s colors were recorded. After that, 0.300 grams of the CuCl
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(hopefully) final draft - Introduction A coordination...

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