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Unformatted text preview: on or structural change will
bipolar junction transistor A solid-sta
adjacent magnetic dipoles and kinetics are favorable.
occur only if both the thermodynamicsof equal strength point in
semiconductor device composed of three l
The phrase room temperature was highlighted in the previous paragraph to emphasize
opposite directions. These materials show weak response
the importance of temperature in the kinetics of a typical chemical process. In the vast
material— either npn or pnp — often used
to external magnetic ﬁelds.
majority of cases the rate of a chemical reaction increases exponentially with an increase
block copolymer A polymer consisting
Any equation of the form
C Reactionexp C exp T . This equation states that the (2.3–1) mers in which each mer occurs in long seq
variable C increases exponentially as the temperature
where C is a constant, R is the gas constant, T is absolute temperature, and Q is the
blow molding A process by which a slu
activation energy for the process. Any reaction that obeys Equation 2.3–1 is termed an
Arrhenius process, or a thermally precipitation We will second phase processes
oxide glass or polymer is extruded vertica
artiﬁcial aging The activated process. of a see that Arrhenius
are very common in the study of materials and that Equation 2.3–1 is used to model a
by blowing air from the top.
from a of chemical and physical processes.
wide varietysupersaturated solid solution at a temperature
You will ﬁnd that there are a great
above room temperature. many equations introduced in this textbook. One body-centered cubic (BCC) A cubic st
key to success in any quantitative ﬁeld is to gain an understanding of the terms in each
atactic Conﬁguration of a equation are important. First, note
which atoms are located in the corners of
equation. Several features of the Arrheniusvinyl polymer whose side that R is
a groups are randomly positioned during polymerization.
universal constant, that is, i...
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