lecture40_chem110_sas - Chemical Reactions: Equilibrium...

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Chemical Reactions: Equilibrium Part 1 CH110 FA10 SAS 1 Final Chance for SCT Credit! Monday, December 6 th by Midnight Prepare for Recitation December 9th Homework due December 7 th Quiz due December 9 th Lecture 40: December 1 st Lecture 41: December 3 rd Lecture 42: December 6 th Read: Ch. 15.1 – 15.5 HW Preparation: BLB 15: 13,14,21,27,28,29,30,32,35,37,39,46; Packet 15: 1-10
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CH110 FA10 SAS 2 By the end of Today’s Lecture you should know: Chemical Equilibrium Equilibrium Constant Keq Equilibrium constant expression Relationship between Kp and Kc KEY QUESTIONS: THE BIG PICTURE Chemical Reactions: Equilibrium Part 1 Do real reactions always proceed to completion? What forces drive the reaction process? How do the properties of heterogeneous reactions differ from homogeneous? Remember: macroscopic properties come from microscopic origins What is the meaning of chemical equilibrium? How does the equilibrium constant help explain the extent of a reaction? What is the relationship between various equilibrium constant expressions?
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Chemical Equilibrium CH110 FA10 SAS 3 At Equilibrium: Opposing reactions proceed at _____ rates Concentrations of reactants & products ______________ over time Equilibrium is _________ achieved quickly Examples we’ve already seen : – vapor pressure above liquid – saturated solution – phase equilibrium Chemical Equilibrium: Reactants Products
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This note was uploaded on 07/16/2011 for the course CHEM 110 taught by Professor Hofmann,brucerob during the Spring '08 term at Pennsylvania State University, University Park.

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lecture40_chem110_sas - Chemical Reactions: Equilibrium...

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