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Chemistry 131
Exam 4 Study Guide
17
Chemistry
Undergraduate 1
11/16/2015

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Term
Diamagnetic
Definition
All electrons are paired, Weakly repelled by a magnet
Term
Paramagnetic
Definition
one or more unpaired electrons attracted to magnetic
Term
permanet magnet
Definition
ferromagnets
a magnet that retains its magnetic properties in the absence of an inducing field or current
Term
Bond Order
Definition
related to bond multiplicity
(ex BO= 2 = double bond)
Term
BO forumla
Definition
#bonding electrons - #anti bonding electrons
----------------------------------------------------
2
Term
Thermodynamics
Definition
The science of heat and work, and their transformations into one another
Term
Thermochemistry
Definition
the absorption or release of heat that accompanies chemical reactions
Term
Energy (E)
Definition
the capacity to supply or do work
Term
work (W)
Definition
occurs when an object mores against a resisting force
Term
kinetic energy (KE)
Definition
energy of motion
Term
Kinetic energy
Definition
2
1/2MV
Term
Thermal energy (TE)
Definition
measured by finding temp of an object
Term
Potential energy (PE)
Definition
stored energy, due to position or composition
Term
Chemical energy (CE)
Definition
energy stored in bonds of a molecule
Term
heat
Definition
the amount of thermal energy transferred from one object to another (due to a temp difference between 2 objects)
Term
Joule (J) formulas
Definition
1J= 1kg*m2(squared)
-------------
s2(squared)
Term
calorie (lower case c)
Definition
1cal=4.184J
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