Friday_Study_Session 2 - Friday Study Session January 22,...

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Chemistry XXI Friday Study Session January 22, 2010
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Chemistry XXI Industrial Air Pollutants Since the Industrial Revolution a steady stream of air pollutants have been released into the air that we breathe. Due to environmental and health phenomena, such as acid rain, sunsets, and asthma, the controlling of concentrations of pollutants such as Sulfur Oxides (SO x ) has gained continuous interest. How can we explain and make predictions about whether the extent of chemical reactions involving SO are favored or not favored in the atmosphere?
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Chemistry XXI A Possible Reaction Compare the relative energetic stability of reactants and products and make a prediction for the sign of ΔHº for 2 SO 2 (g) + O 2 (g) 2 SO 3 (g)
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Let’s Quantify Substance ΔHºf (kJ/mol) SO 2 -296.8 SO 3 -395.7 O 2 0 Calculate the ΔHº using the given standard enthalpy 2 SO 2 (g) + O 2 (g) 2 SO 3 (g) Draw a reaction profile diagram for this reaction. Include the products,
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This note was uploaded on 03/29/2010 for the course CHEM 152 taught by Professor Grall during the Spring '08 term at University of Arizona- Tucson.

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Friday_Study_Session 2 - Friday Study Session January 22,...

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