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Showing 1 - 10 of 714 results
  • Updated 6 months ago - 56 words
    Radial Distribution Plot Electron Density Plot Interactive Isosurface Plot Orbital imaginary 1s 2s 2px 2py 2pz 3s 3px 3py 3pz 3dz2 3dxz 3dyz 3dxy 3dx2-y2 4s 4px 4py 4pz 4dz2 4dxz 4dyz 4dxy 4dx2-y2 4f5z3-3zr2 4f5xz2-xr2 4f5yz2-yr2 4fzx2-zy2 4fxyz 4fx3-3xy2 4fy3-3yx2 n = l = m = View Along: Template:Blauch
  • Updated 6 months ago - 1,421 words
    Chapter 2: Structure and Reactivity of Acids and Bases, Polar and Nonpolar Molecules Reactions of Alcohols with Strong Acids-Alkyloxonium Ions in Substitution and Elimination Reactions of Alcohols Chapter 9: Further Reactions of Alcohols and the Chemistry of Ethers Section 11.11: Preparation of Alkenes by Dehydration of Alcohols Section 12.3: Nucleophilic Character of the ? Bond-Electrophilic Addition of Hydrogen Halides Section 17.5: Reactivity of the Carbonyl Group-Mechanisms of Addition
  • Updated 6 months ago - 4,322 words
    4.1 Functional Groups 139 4.2 IUPAC Nomenclature of Alkyl Halides 141 4.3 IUPAC Nomenclature of Alcohols 142 4.4 Classes of Alcohols and Alkyl Halides 142 4.5 Bonding in Alcohols and Alkyl Halides 143 4.6 Physical Properties of Alcohols and Alkyl Halides: Intermolecular Forces 144 4.7 Preparation of Alkyl Halides from Alcohols and Hydrogen Halides 148 4.8 Mechanism of the Reaction of Alcohols with Hydrogen Halides 149 4.9 Potential Energy Diagrams for Multistep Reactions: The SN 1 Mechanism 154…
  • Updated 6 months ago - 140 words
    Nonaxial groups C n groups D n groups C nv groups C 2v C 3v C 4v C 5v C 6v C 7v C 8v C nh groups C 2h C 3h C 4h C 5h C 6h D nh groups D 2h D 3h D 4h D 5h D 6h D 7h D 8h D nd groups D 2d D 3d D 4d D 5d D 6d D 7d D 8d S n groups S 10 S 12 Cubic groups Linear groups C ∞v D ∞h
  • Updated 6 months ago - 367 words
    Acidities of Common Compounds at room temperature (25 o C) Hydrogen Iodide, HI (strongest acid) Sulfuric Acid, H 2 SO 4 Hydronium ion, H 3 O + Acetic Acid, CH 3 COOH Water, H 2 O Methane, CH 4 (weakest acid) pK a HA = Acetic acid H 2 A + = GlycineH + H 2 A + HA + H + H 2 A = Maleic acid H + + A 2− H 3 A = Citric acid HA = Boric acid HA H + + A − H 3 A = Phosphoric acid H 3 A H 2 A − + H + H 2 A − HA 2− + H + A 3− + H + HA − = Hydrogen sulfate H 2 A = Oxalic acid H 2 A HA − + H + HA − A 2− + H +
  • Updated 6 months ago - 150 words
    The most critical element of any measurement process is the relationship between a single measurement and the reference base for the unit of measurement. The reference base is the ultimate source of authority for the measurement unit. Reference bases for fundamental units of measurement (length, mass, temperature, voltage, and time) and some derived units (such as pressure, force, flow rate, etc.) are maintained by national and regional standards laboratories.
  • Updated 6 months ago - 281 words
    An analysis of the check standard data is the basis for quantifying random errors in the measurement process -- particularly time-dependent errors. Drawback of short-term standard deviations An individual short-term standard deviation will not be a reliable estimate of precision if the degrees of freedom is less than ten, but the individual estimates can be pooled over the K days to obtain a more reliable estimate.
  • Updated 6 months ago - 568 words
    With very precise instrumentation, it is not unusual to find that the variability exhibited by the measurement process from day-to-day often exceeds the precision of the instrument because of small changes in environmental conditions and handling techniques which cannot be controlled or corrected in the measurement process.
  • Updated 6 months ago - 25 words
    Java Developed by Dr. Constantinos E. Efstathiou, Laboratory of Analytical Chemistry, National and Kapodistrian University of Athens <p>Your browser does not support iframes.</p>
  • Updated 6 months ago - 487 words
    There is nothing intrinsic to the calibration procedure that will improve precision, and the best strategy, before committing to a particular instrument, is to estimate the instrument's precision in the environment of interest to decide if it is good enough for the precision required.
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