a) What is the phase Mr. McLeod? makes you memorize to remember what is in "bucket" when equilibrium is established. |
a) What is the phase Mr. McLeod makes you memorize to remember what is in "bucket" when equilibrium is established. |
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Using one of Equilibrium Problems that you completed in either i) Problems for Simple Equilibrium Constant Calculations or Problems on Equilibrium - Revised 2009. Be sure to include: a) Balanced chemical reaction including phases of each reactant and products. b) Equilibrium Constant Expression (first including all species), then "arrow out as 1" appropriate phase species. c) Rewrite Equilibrium Constant Expression just with species that have appropriate phases. d) Write out the equilibrium concentration (in M) for each species (as a group what is this called). e) Plug values and units ([ ] are now ( ) ) into Expression and solve for K (including units). f) Knowing the value of K, explain what you expect to see in the "bucket" when Equilibrium is established. Side 3 (LeChatlier's Principle) We will use the chemical reaction (called the Haber process, 1st process to fix nitrogen to ammonia industrially) that are in your Equilibrium Notes 3 to show LeChatelier's Principle. 1 N2 (g) + 3 H2 (g) <==> 2 NH3 (g) + Energy (i.e. exothermic rxn) You will use the following template to answer your LeChatlelier's Principle example. You may choose any Stress you want expect the following, i) Add catalyst, ii) Add products, iii)Decreasing temperature, and iv) Decreasing pressure. You should follow work shown in Equilibrium Notes 3. Stress: _______________________________________________________________ How rxn tries to remove stress: _________________________________________________ Circle: Make more product or more reactant (fill in for pressure changes)__________________ Circle: Favoring: Forward rxn or Backward rxn: (fill in for temperature changes) _____________ Circle: Shift Equilibrium to: Left(more reactant) or Right (more product) Side 4 (Find an "real life" application of Equilibrium, chemistry related or not) 1) Write the reversible reaction (even if it is not a chemical system). 2) Draw a picture of the equilibrium condition for this system including what you think the value K (Equilibrium constant) by noting ratio of reactant to product you draw. 3) Explain one way to stress this system out and explain waht LeChatelier's Principle says including drawing a "new Equilibrium bucket" along with "original Equilibrium bucket". |