MCAT general chemistry

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Author:
dcollette416
ID:
279774
Filename:
MCAT general chemistry
Updated:
2014-07-28 20:57:46
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chemistry
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Description:
general chemistry
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  1. alpha particle
    a positively charged particle consisting of 2 protons and 2 neutrons.
  2. amphoteric
    an ion molecule that can act as an acid or a base
  3. beta decay
    a nuclear reaction in which an electron or a positron is absorbed by or emitted from the nucleus of an atom
  4. effusion
    the process by which a gas escapes through a pinhole into a region of lower pressure
  5. elastic collision
    a collision in which no kinetic energy is lost
  6. ion product constant of water (Kw)
    1.0*10-14
  7. network solid
    a solid in which every atom is covalently bonded to its nearest neighbors to form an extended array of atoms rather than individual molecules
  8. β- decay
    neutron → proton + electron
  9. β+ decay
    proton → neutron + positron
  10. diamagnetic
    an atom that has all of its electrons spin-paired
  11. paramagnetic
    an atom where all the electrons are not spin-paired
  12. Energy of a photon, E
  13. amount of heat, q, accompanying a phase transition
    q=nΔH, n is number of moles
  14. q=
    CΔT=mcΔT
  15. rate of effusion if proportional to...
  16. mole fraction, X
  17. Raoult's law: vapor pressure, p
    pA=XAPoA
  18. boiling-point elevation
    ΔTb=kbim
  19. Freezing point depression
    ΔTf=-kfim
  20. Osmotic pressure, Π
    Π=MiRT
  21. relation of pH and pKa
  22. ΔGo for electrochemisty
    ΔGo=-nFEo
  23. reaction if Eo > 0
    spontaneous
  24. reaction if Eo < 0
    non spontaneous
  25. melting point of ionic compound depends on...
    the strength of electrostatic attraction (f=kqq/r^2)
  26. vapor pressure only depends on..
    the temperature and intermolecular forces
  27. Van der Waals forcers only occur between what kind of molecules?
    neutral
  28. in general, the stronger the lewis acid..
    the larger the positive charge and the smaller the ionic radius
  29. what is the volume of 1 mole of a gas at STP?
    22.4 L

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