Chapter 1

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Author:
marysham
ID:
190217
Filename:
Chapter 1
Updated:
2012-12-22 12:58:43
Tags:
MCAT
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Description:
Units & Dimensions, Kinematics,
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  1. Pico

    Symbol
    Multiple
    p

  2. Giga

    Symbol?
    Multiple?
    G

    10^9
  3. What is the most important potential energy storage molecule in all cells?

    If of system is negative, has the disorder of that system increased or decreased?

    Given that cellular rxns take place in the liquid phase, how is H related to E in a cell?
    ATP.

    Decreased.

    They are essentially equal, since volume will essentially be constant for a liquid (or a solid)
  4. If the products in a reaction have more entropy than the reactants and the enthalpy (H) of the reactants & products are the same, can the rxn occur spontaneosly?
    Yes, if and

  5. When there are equal concentrations of reactants and products, is the rxn spontaneous or nonspontaneous?
    Neither, since Keq = 1,

  6. Theoretically, will all reactant and product system sreach equilibrium?
    Given enough time, yes.
  7. If you find the standard value of G, can you use it to study a reaction in a moose?
    No, must have concetnrations of A, B, C, and D. If G is positive (nonspontaneous), but [reactants] >> [products], the reaction will be favorable.
  8. Which equation is used when finding the Gibbs Free Energy of an actual rxn?


  9. What is the difference between thermodynamics and reaction rates?
    Thermodynamics tell you whether the rxn can proceed w/o additional energy input, but tells you nothing about the speed!

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