Le Chatelier’s Principle and Equilibrium March 12, 2008IntroductionIn this lab, we analyzed how equilibriums behave. We studied how changes made in a system affect a solution that is already in equilibrium. The basis behind this experiment was Le Chatelier’s Principle, which states that if we disturb a system that is already in equilibrium, then the system will react so as to minimize the disturbance. Chemical ResponsibilityWe worked with several hazardous chemicals. Iron (III) chloride is a skin and tissue irritant, and is corrosive. Potassium thiocyanate and ammonium chloride are toxic by ingestion. Silver nitrate is toxic, should not be placed in contact with skin and eyes and stain skin. Ammonia is a respiratory irritant. Hydrochloric acid 6.0 M is toxic by ingestion and corrosive to skin and eyes. Hydrochloric acid 12.0 M is highly toxic by ingestion or inhalation, and severely corrosive to skin and eyes.
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