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Showing 1 - 10 of 860 results
  • Updated 18 months ago
    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 18 months ago
    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 18 months ago
    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 18 months ago
    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 18 months ago
    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 18 months ago
    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 18 months ago
    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 18 months ago
    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 18 months ago
    Contributors Thomas Chasteen, Department of Chemistry, Sam Houston State University
  • Updated 18 months ago
    Olestra is a fat substitute that has the properties of a fat in flavor and texture, but is indigestible - hence a fake fat. In 1996, the FDA approved the use of olestra in potato chips, tortilla chips, crackers and fried snacks, as it is the only heat stable fat substitute for fried foods. Since olestra is such a large nonpolar molecule, it may dissolve or combine with some of the fat soluble vitamins such as A, D, E, and K, and carotenoids.
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