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[DOC File]Section 6: Compressing the range of output values by using ...
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Log-log graphs: In situations where all x and y values are positive but there is a large dynamic range for both variables, it can be help to use the logarithms of x values as well as for y values. A graph where this is done is called a “log-log” graph.
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REGULATION OF ACID-BASE BALANCE - Parker University
taking the log of each quantity and then multiplying by -1, the equation can be rewritten as: [HA]-log [H+] = -log Ka ( -log [A-] p = minus log of -log = p [HA] pH = pK - log [A-] Eliminating the minus sign in front of the log results in an equation known as the Henderson-Hasselbalch equation.
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[DOC File]Math 141 – TEST # 4 Sections 4
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ex = 36 LN means “base 3”, so log base e of the product 36 = exponent x B. 517 = x Log base 5 of product x = exponent 17 2. A. Ln c = y Log base e of product c = exponent y B. Log 64 = Log base 64 of product 1/8 = exponent -1/2 3. A. 5 Let log 3 243 = x. Change to exponential form: 3x = 243. Prime factor 243: 243 = 35, so 3x = 35.
can a log be negative

[DOC File]Name: __________________________ Date ...
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base. is a substance that can remove a proton from another substance. H2O (l) = H+(aq) + OH– NH3 (aq) + H2O (l) = NH4+ (aq) + OH– (aq) (base) (acid) pH Calculations Problems Fill in the blank The definition of pH is pH is equal to the negative log (logarithm) of the _____ ion concentration of a solution.
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[DOC File]Lab 3 - pH and Buffer Lab - Arkansas State University
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(Note the conjugate base holds a negative charge.)) A strong acid solution would be expected to have a high concentration of H+. The HCl dissociation reaction at equilibrium has a characteristic Keq value. The Keq for this reaction can be written: ... Taking negative log: - log [H+] = -log Ka – log ([CH3COOH]/[CH3COO-])
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[DOC File]CHEMICAL EQUILIBRIA--ACID/BASE
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A typical strong base problem might be: What is the pH of a 0.010 M NaOH solution? Since NaOH is a strong base, the hydroxide ion concentration will be equal to the NaOH concentration: [OH-] = 0.010 M. The pH can be found by first finding the pOH by taking the negative log of the hydroxide ion concentration, and then converting the pH to pOH.
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[DOC File]Chapter 16 Worksheet 1
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Of course, any acid can react with any base. For example: CH3COOH(aq) + NH3(aq) = NH4+(aq) + CH3COO-(aq) acid 1 base 1 acid 2 base 2. In every acid-base reaction, the position of the equilibrium favors transfer of the proton from the stronger acid to the stronger base.
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[DOC File]A LOGARITHM is an exponent
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From these examples, you can see that the logarithm of a positive, real number can be positive or negative or zero. If y (the positive, real number) is greater than 0 but less than 1, log y will be negative. If y = 1, log y = 0 . If y is greater than 1, log y will be positive.
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CPARS and Writing a Quality Narrative Training
Response: For single-agency IDIQ contracts, you can report either on the base contract or on each order. You don't have to do both although you can. It is usually done on the base level if the orders are similar in scope and being placed by a single contracting office. It seems that if you have more than one program office, it probably would be ...
why can't logs be negative

[DOCX File]Cell Processes:
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The log of 1 is 0 -- because there are no zeros or other digits after the 1. But what about the logs of measurements smaller than 1? They get a minus sign (to show that the measurement has only decimal places) but the absolute value of the log tells you how many decimal places -- so log(0.001) is -3, but log(0.000000001) is -9.
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Can log base be negative