Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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lonic and Covale..
Course Docume..
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calculating Activ...
X Using ExceNor L..
Ink temp graph -..
e(3
20
-4.5
Linear (InK)
21
22
23
y -11008x + 31.727
R = 0.9997
-5
24
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26
-5.5
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KIKIND Sheet1
Sheet2
Sheet3
From the equation of the line: y = -11008 x + 31.727
e following information is determined.
The y-intercept : InA = 31.727 This gives the pre-exponential factor A = e(31.727) = 6.0098•1013
The slope: m = -11008 which is equals -Ea/R.
Multiplying -11008 by -R (-8.314J/mol*K) yields Ea = 91520.5 J or 91.5 kJ.
%3D
The Activation energy (Ea = 91520.5 J) together with the natural log of the pre-exponential value (A = 6.0098•1
=A exp
(Ea/RT)
where T = 310K
k
6.0098 1013 exp {91520.5/(8.314 310)} = 1.5868-1029
%D
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TEXAS INSTRUMENTS
e31.727
86.24292757
STAT PLOT F1 TBLSET F2 FORMAT F3 CALC F4
TABLE
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