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alpha particle
a positively charged particle consisting of 2 protons and 2 neutrons.
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amphoteric
an ion molecule that can act as an acid or a base
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beta decay
a nuclear reaction in which an electron or a positron is absorbed by or emitted from the nucleus of an atom
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effusion
the process by which a gas escapes through a pinhole into a region of lower pressure
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elastic collision
a collision in which no kinetic energy is lost
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ion product constant of water (Kw)
1.0*10-14
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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
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β- decay
neutron → proton + electron
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β+ decay
proton → neutron + positron
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diamagnetic
an atom that has all of its electrons spin-paired
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paramagnetic
an atom where all the electrons are not spin-paired
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amount of heat, q, accompanying a phase transition
q=nΔH, n is number of moles
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rate of effusion if proportional to...
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Raoult's law: vapor pressure, p
pA=XAPoA
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boiling-point elevation
ΔTb=kbim
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Freezing point depression
ΔTf=-kfim
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Osmotic pressure, Π
Π=MiRT
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ΔGo for electrochemisty
ΔGo=-nFEo
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reaction if Eo > 0
spontaneous
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reaction if Eo < 0
non spontaneous
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melting point of ionic compound depends on...
the strength of electrostatic attraction (f=kqq/r^2)
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vapor pressure only depends on..
the temperature and intermolecular forces
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Van der Waals forcers only occur between what kind of molecules?
neutral
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in general, the stronger the lewis acid..
the larger the positive charge and the smaller the ionic radius
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what is the volume of 1 mole of a gas at STP?
22.4 L
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