Chem 210 Exam 4 study guide.
what is an acid base titration curve?
a plot of pH versus volume of titrant added
What are some examples of polyatomic cations
NH4+, H3O+
what are some examples of polyatomic anions
CH3COO-, CN-, OH-, CIO3-, NO2-, NO3-, MnO4-, CO3-2, CrO42-, Cr2O7-2, O-2, SO4-2,...
Chem 210 Exam 4 study guide.
what is an acid base titration curve?
a plot of pH versus volume of titrant added
What are some examples of polyatomic cations
NH4+, H3O+
what are some examples of polyatomic anions
CH3COO-, CN-, OH-, CIO3-, NO2-, NO3-, MnO4-, CO3-2, CrO42-, Cr2O7-2, O-2, SO4-
2, PO4-3
adding a common ion ___ solubility
decreases
oxidation is ____
loss of electrons
reduction is ____
gain of electrons
General rules for assigning oxidation number
As E cell becomes more positive, it is more likely to be ___
reduced
As E cell becomes more positive, the ____ agent becomes stronger.
oxidizing
As E cell becomes more negative, it is more like to be _____
oxidized
As E cell becomes more negative, the ____ agent becomes stronger.
reducing
If a substance is being reduced, its called the ___ agent
oxidizing
if a substance is being oxidized, its called the ___ agent
reducing
How to calculate # of coulombs
C=(amp)(sec)
How to calculate # of faradays
F=C/96486
what is faradays constant
F=96485 C/mol e-
DG= -nFEcell
DG= -RTlnK
Ecell=Ecell-0.0592/n * logQ
If it is a reduction half reaction, the electrons are on the ____ side.
reactant
if it is an oxidation half reaction, the electrons are on the ___ side.
product
cations travel towards the ___
cathode
anions travel towards the ___
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