lecture40_chem110_sas

lecture40_chem110_sas - Chemical Reactions: Equilibrium...

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Chemical Reactions: Equilibrium Part 1 CH110 FA11 SAS 1 Prepare for Recitation December 8 th ALEKS Objective 14 due SUNDAY December 4 th ANGEL Quiz 14, December 8 th ALEKS FINAL ASSESSMENT: Deadline December 9 th Lecture 40: November 30 th Lecture 41: December 2 nd Lecture 42: December 5 th Read: Ch. 15.1 – 15.5 HW Preparation: BLB 15: 21,28,29,32,35,46; Packet 15: 1-10
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CH110 FA11 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 FA11 SAS 3 At Equilibrium: 1. 2. Equilibrium is not always achieved quickly! Examples we’ve already seen : – vapor pressure above liquid – saturated solution – phase equilibrium Chemical Equilibrium: Reactants Products
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Equilibrium – Graphically CH110 FA11 SAS 4 CO + 3 H 2 CH
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lecture40_chem110_sas - Chemical Reactions: Equilibrium...

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