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Chemistry Qpack

Terms in this set (26)

ppm stands for
parts per million
"in vacuum"
no pressure
what is boiling point determined by?
The temperature at which the vapor pressure of a liquid equals the surface pressure
What does branching do to BP?
decrease BP
What does H-bonding do to BP?
increase BP
What is the bicarb equation?
all carbonates react with acids to produce salt, water and carbon dioxide gas
LOG TRICK
-log(m x 10^-n) = n-0.m
Oxidation State Rules
1. Standard state is 0
2. Oxidation states add up to the charge of molecules
3. Group 1=+1, Group 2=+2
4. Fluorine= -1
5.Hydrogen has 1+ state when bonded to atom more electronegative than C or when bonded to C, and has 1- when bonded to atom less electronegative than C.
6. Oxygen= -2 unless bonded to as a peroxide
7. Halogens other than F (group 7)= -1
8. Group 6=-2
Formation of a Triacylglycerol and what makes it up
glycerol back bone, 3 FA tails
empirical vs molecular vs structural formula
In order of more specific:

empirical(ratio of atoms in molecule) <
molecular (gives exact number) <
structural formula (how it looks like structurally)
STP (standard temperature and pressure)
conditions of 0.00°C and 1 atm pressure
Octahedral geometry
atom is attached to six atoms or more
formal charge of 1 atom in a molecule
#VE in free atom - #VE in bonded atom
valence electrons in 1 atom of a molecule
free e- and one of the e-'s in each bond. VE's are in the group # of an atom on the periodic table
Dissolvable ions
CASH-N-GIA

Chlorates
Acetates
Sulfates
Halides (except F)
Nitrates
Group I metals
Ammonium (NH4+)
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