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The mole is a unit of measurement for the amount of substance or chemical amount. It is one of the base units in the International System of Units, and has the unit symbol mol.[1]
The name mole is an 1897 translation[2][3] of the German unit Mol, coined by the chemist Wilhelm Ostwald in 1893,[4] although the related concept of equivalent mass had been in use at least a century earlier. The name is derived[5] from the German word Molekül (molecule).
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Pine Crest School Pre-Calculus Honors
Handy Dandy Trigonometric Identities Reference Sheet
RECIPROCAL IDENTITIES
QUOTIENT IDENTITIES
PYTHAGOREAN IDENTITIES
sin2 x + cos2 x = 1
1 + cot2 x = csc2 x
tan2 x + 1 = sec2 x
SYMMETRY IDENTITIES
cos (?x) = cos x
sin (?x) = ? sin x
tan (?x) = ? tan x
CO-FUNCTION IDENTITIES
= sin x
= csc x
= tan x
ANGLE SUM IDENTITIES
sin(x + y) = sin x cos y + cos x sin y
math is really hard and i hate it.
THat is not what she said.
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Rossi Castillo
02/08/11
Study Guide # 2
Political Beliefs/Behaviors
Political Culture is the coherent way of thinking about how politics and government should be carried out. Its difficult to pinpoint in the USA because cultural differences affect political philosophies. Religion has always been a big role in shaping our political culure.
The Culture War is a conflict animated by deep differences in people's beliefs about private and public morality. Many issues include abortion, gay rights, drug issues, school prayer, and pornography.
U
-cn
F
e,
II
Ov
u,
s
cn
'\-
. A rclolion is a set of ordered pairs of values (c, gr) that
"go together." Plotted on the Cartesian plane, a relation
is any set of points- Ex: The unit circle in the plane is a
relation; it is the set of points (r,gr) that satisfy
12 +'y2 :1.
Presynaptic (must be a motor neuron)
1 - Nature of impulse +++
---
1 - Increase of permeability of Ca 2+
1 - Movement of vesicles
1 - Fusion of vesicles with membrane
1 - Transmitter release
1 - Acetylcholine
1 - Diffusion of transmitter (20 nm)
1 - Cholinesterase
1 - Motor end plate or terminal bouton
Postsynaptic (muscle be a muscle fiber)
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