Chem Chapter 15

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Author:
Tiye
ID:
139944
Filename:
Chem Chapter 15
Updated:
2012-03-09 16:37:50
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Chem Chapter 15
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Description:
chemistry
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  1. If Q> K then the reaction shifts to?
    reactants...left
  2. If Q is smaller than K than the reaction shifts to?
    Products...right
  3. Kp=?
    Kp=Kc(RT')n
  4. Does a large equilibrim constant ensure that a reaction will take place if there are only reactants are present
    No! the rate can be so slow that no product is formed
  5. Thermodynamic control?
    concentration ofproducts and reactants depends on relative stabilityof the species?
  6. Kinetic control?
    concentration of products andreactants depends rates of reaction (i.e. k and Ea)
  7. Qc= 0
    pure reactant
  8. Qc= infiniy
    pure products
  9. Qc=Kc
    equillibrium
  10. How does a catalyst change the reaction?
    It doesnt only affects the rate
  11. When the volume of an equilibrium mixtureof gases is reduced, a net change occurs inthe direction that produces ______moles ofgas
    fewer
  12. When the volume is increased, a netchange occurs in the direction that produces______ moles of gas.
    more
  13. Raising the temperature of an equilibrium mixture shifts the equilibrium condition inthe direction of the ____________reaction
    endothermic
  14. Lowering the temperature causes a shift inthe direction of the ______reaction.
    exothermic

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