Concept explainers
(a)
Interpretation:
A calibration curve from the given data should be plotted.
Concept introduction:
A calibration curve or standard curve is a method used in
(b)
Interpretation:
Using the method of least squares, an equation relating absorbance and the concentration of Fe(II) should be developed.
Concept introduction:
For equations,
The slope of the line,
The intercept,
(c)
Interpretation:
The standard deviation of the slope and the intercept should be calculated.
Concept introduction:
Standard deviation about regression,
N − number of points used.
The standard deviation of the slope,
The standard deviation of the intercept,
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Chapter 14 Solutions
Principles of Instrumental Analysis
- 7. Use Pauling's electronegativity values (Table 1.7) and Ketelaar triangle (Fig. 2.28) to classify bonding in: (3 points) a) CIF3 b) ZnCl2 c) PbSarrow_forward7. What is the IUPAC name of the following compound? A) (R)-1-oxo-2-butanol C) (R)-2-hydroxybutanal E) (S)-1-formyl-1-propanol B) (S)-1-oxo-2-butanol D) (S)-2-hydroxybutanal OH Harrow_forwardCual es la formula semidesarrollada del 3-metil-1-butino?arrow_forward
- 2. A graph shown below shows first ionization energies for elements from H to Ne. First ionization energy/kJ mol 2500 2000 1500 1000 500 T T T T 1 2 3 5 6 7 8 9 10 Atomic number a) Using arguments of electronic structure, explain why ionization energy of Li is much lower than that of H. (2 points) then dips at O. b) Using the same arguments, explain why ionization energy increases from B to N, and (3 points)arrow_forwardGive the name of this compound, including stereochemistry if relevant: CICH2 CH3 Br CH₂CH=CH2 Write in the product, including stereochemistry where relevant, for these reactions. See end of ch. 8, p. 301-303. 1. 03 a) 2-methyl-2-pentene -> 2. Zn, H* Br2 b) 1-ethylcyclopentene -->arrow_forwardNonearrow_forward
- 3. You may want to read paragraph 1.5 in your textbook before answering this question. Give electron configuration (short-hand notation is fine) for: (5 points) 3+ a) Manganese atom and Mn³+ b) Se atom c) Cu atom and Cu+arrow_forwardPlease correct answer and don't use hand ratingarrow_forwardNonearrow_forward
- Nonearrow_forwardHowever, why are intermolecular forces in metallic and ionic compounds not discussed as extensively? Additionally, what specific types of intermolecular attractions exist in metals and ionic compoundsarrow_forwardWhat is the preparation of 1 Liter of 0.1M NH4Cl buffer at pH 9.0 with solid NH4Cl and 0.1M NaOH. How would I calculate the math to describe this preparation? How would I use Henderson-Hasselbach equation?arrow_forward
- Principles of Instrumental AnalysisChemistryISBN:9781305577213Author:Douglas A. Skoog, F. James Holler, Stanley R. CrouchPublisher:Cengage Learning