Chemistry

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• Inorganic Chemistry
• Organic Chemistry
• Physical Chemistry

• Does self aldol reaction always have less yield than cross aldol reaction?

• Kinetic vs Thermodynamic products: When is the tipping point?

• Why is pH so important?

• Are hydrogens on the alpha carbon in a piperidine ring intrinsically more acidic?

• Why is aluminium oxide a Lewis base when reacting with HCl

• Thick layer of dark brown granules in the bottom of a large bottle labeled "absolute acetone" - what might they be, and why?

• Are topotactic (symmetrical orientation) conditions retained in synthetic methods other than high temperature solid state?

• Number of unpaired e- in [Cr(NH3)6] 2+

• Big confusion.... Is this Compound Aromatic?

• Mutual Pressure Between Gases at Different Pressure

• Mechanism of antifoam deactivation in high-viscosity surfactant systems: Is it due to emulsification or entry barrier?

• Is Entropy only for Multi particle Systems?

• What is the purpose of modifying cellulose with maleic anhydride (MAH)?

• What percentage of NaCl in water will freeze at -10 C?

• Thermodynamic Equilibrium Constant derivation for liquid solutions

• How do I get the multiplet tree to display in TopSpin 5.0.0 Plot

• Organic Chemistry THCA-ANALOG

• Why is Ionization Energy so high in noble Gases?

• Which way do the dipole moments of the I-I bonds in the triiodide anion point?

• Ternary salts - ones with more than one anion or cation

• Sodium sulfinate SN2 alkylation on sulfur with a triflate containing electrophilic reagent, how to set up when reagents favor different solvents?

• Risk of Hexavalent Chromium Contamination from Applying Dilute Bleach Repeatedly to Stainless Steel?

• Rate of reaction in case of Electrophilic Addition Reaction via Classical Carbocation

• Looking for a labdane diterpene alcohol with m/z 191 (100%) and RI 2122. Any suggestions?

• How are bis, tris, and tetrakis prefixes treated in alphabetical ordering?

• Conversion of 2,3-dihydroxy-thioxanthone to the corresponding ethyl halide ether

• Can the aglycone part of a glycoside be a monosaccharide?

• Would generic qualitative filter paper be suitable for immobilizing anthocyanin in a paper-based heavy-metal sensor proof of concept?

• Chemical (engineering) thermodynamics — how do we define the component fugacity?

• Why can't KMnO4 oxidize isononanol?

• What is an α-dextrin?

• How much ΔΔG can a single methyl offer at most?

• Electrodeposition with the presence of organic additive (glucose)

• How to Improve the Solubility and Dissolution of Metronidazole

• Why is buffer capacity defined like that

• Selectivity of electrophilic substitutions of chlorobenzene

• Is there a quantum chemical basis for the exact $86 \leftrightarrow 86$ capacity symmetry in Pyykkö’s extended periodic table ($Z \le 172$)?

• Can a Golden or Bronze-Colored Metal Plate Cause Dry Sugar to Become Syrupy?

• Why do halogens on imidazole bias N-alkylation to the nitrogen further away?

• Is the surrogate isothermal flash for an adiabatic flash unique?

• Making hydrochloric acid using sulfuric acid and calcium chloride solution

• Is Delta G naught Dependent on Temperature?

• How can i remove LSA from water for the purpose of drinking on a regular basis

• I can't find the rule allowing the name "ethenyl group" in IUPAC Blue Book

• Chemistry of stainless steel corrosion by bleach

• Using a Microscope Horizontally

• Why we have to check more stable carbocation when doing rearrangement in carbocationic species , neglecting sterric factor?

• Trouble Understanding "TS" term in relation to Daniel Schroeder's Rabbit Analogy for Gibbs Free Energy

• Resonance structures: electron movement

• What is the power density of graphite caused by the Wigner effect?

• What is the largest coupled cluster calculation that has ever been done (as of March 2019)?

• What explains the color in clear sigma versus green pi complexes formed by methylbenzene?

• Using symmetry and group theory arguments to explain iron(II) in a tetrahedral crystal field

• Understanding two-electron integrals in Gaussian 09

• The carbon-13 chemical shift of acyl chlorides vs ketones

• Rotation around CC bond in 1,2-dioxetane: transition states and local minimum structures

• Role of pH in azo C-coupling reaction, continued

• Reaction of aluminium trichloride with water

• Rationalising diastereoselectivity of hydroboration using stereoelectronics

• MNDO integrals in the global coordinate system

• Is there a structured data source containing information on the World Health Organisation's Stability Testing Policies?

• Is there a reliable chemical theory that predicts pKa based on structure?

• In a molecular dynamics context, is the methyl rotation in propene a symmetric or asymmetric internal rotor?

• How to calculate transition dipole moment from two known wavefunctions

• How does Zeeman effect work for sodium spectrum?

• Does the alpha effect apply to third row elements?

• Density Functional Theory with Generalized Gradient Approxmations (GGA) - What Happens if the Electron Density Shows a "Kink" at the Ion Position?

• Calculating Triplet-Triplet Spin-Orbit Coupling

• Accuracy of quantum chemistry calculations on iodine neglecting relativistic effects