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Join the expert discussion on chemistry. Chemistry is the study of the nature, properties, and composition of matter. Biochemistry, Organic, Inorganic, Analytical are topics that may be discussed.
d-orbital self split or proton split d-orbitals?
  • adf89812
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What's the correct way to count chelate rings in [Co(EDTA)]-?
  • adf89812
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Chromium 2+ ion uses only unfilled d-orbitals to form 6 dative bonds?
  • adf89812
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Correct phrase involving optical rotation of venom
  • sbrothy
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How do YBCO superconductors react with hydrochloric acid?
  • Mayhem
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Valence shell of transition metals definition is what?
  • adf89812
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Are atomic conductivity and standard reduction potential correlated?
  • adf89812
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Why do the d, f orbitals of transition metals have less reactivity?
  • MophiA
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Transition Metal Periodic Trend -- Stackexchange's answer confuses me
  • adf89812
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Group I/II Metal oxides always basic in aqueous solution -- why?
  • adf89812
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Determing peak anodic and cathodic currents in quasi-reversible CV?
  • Mayhem
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When to use exponents or multiply by constants in the rate law?
  • adf89812
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What is maximum Pauling electronegativity or energy difference between orbitals?
  • adf89812
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Acidic strength of phenol with isotopic oxygen i.e O 18 and just phenol
  • Sat-P
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Extract potassium nitrate from npk fertilizer
  • vegapunk
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Active ingredients in carbon deposit solvent
  • hajonnes
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Why Isn't My Endothermic Crystallization Working?
  • paradoxlost
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Storing chemicals on my balcony (storing in changing temps)
  • H3inbloed
  • · Replies 14 ·
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Order of Reactions occurring in aqueous solutions
  • neilparker62
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Gibbs energy for Lithiation in Lithium batteries
  • JulesP
  • · Replies 10 ·
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Diamond oxidation -- covalent bonds
  • PatrickP2
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Astatine's Interactions with Ion Exchange and Chromatography Resins
  • Astronuc
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Reaction energy for a Lithium Iron Phosphate battery
  • JulesP
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Empirical approach for predicting mass spectra
  • Spathi
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How to balance an equation for the incomplete combustion of acetic acid?
  • Thecla
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At the atomic level, why is voltage added when batteries are connected in series?
  • shldon
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D-orbital splitting with CASSCF
  • PamRS
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Cannot open GBW file with ORCA input
  • AntonioB
  • · Replies 6 ·
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How do you visualise the atomic orbitals?
  • Nethrz
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Why isn't bond dissociation energy/bond enthaply measured in Newtons?
  • adf89812
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Oxygen dip in ionization energy trend
  • adf89812
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Most dangerous chemicals?
  • Rougesang
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Why do paired electrons have no magnetic field lines?
  • adf89812
  • · Replies 5 ·
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Organic Chemistry Synthesis Possibilities Discussion
  • PhysicsEnjoyer31415
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My 'why' questions -- Wanting to learn Chemistry to figure out my why questions
  • Gifovaco
  • · Replies 11 ·
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I need help understanding intermolecular forces
  • Potato Head
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I can't apply my knowledge of shielding to explain the three slopes
  • adf89812
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Potassium Iodide as a catalyst for Hydrogen Peroxide
  • tongangeline_657
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Very confused about Naunyn definition of acid and base
  • red65
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Ideas for a project in computational chemistry?
  • yenK
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Why don't hydrogen ions have osmotic activity in living organisms?
  • Max123
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Can you eat the Periodic Table?
  • Algr
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New Insight into the Chemistry of Solvents
  • jedishrfu
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Separation of KCl from potassium chromium(III) PDTA
  • Mayhem
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Zirconium Versus Zirconium Carbide For Use With Galinstan
  • evansste
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Electrolysis: Dark blue oxide from steel?
  • Alex Linton
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Identification of HOMO/LUMO in radicals
  • Manganese
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What is the Role of Energy in Quantum Hybridized Orbitals?
  • Salamon
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Does G10 Material in Pocket Knives Pose a Cancer Risk?
  • yungman
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How to think about extensive and intensive properties?
  • tellmesomething
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BET SA and Microporous Materials - equipment/software for MOFs
  • amanda
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Help please with SI-ATRP (polymerization) of polyacrylamide
  • kikarone
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Debunking the Hypervalence Theory: The Truth About Bonds in HClO4
  • Antozoa
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Central atoms in Lewis structures: basic question
  • nomadreid
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Force that causes ions to move to a lower concentration
  • PhysicsInterest
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Differences between ph meters for solutions, creams and oils
  • Physics man 2000
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Freon filled balloons go flat QUICKLY! Why?
  • Querulous One
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Help, I have made a huge mistake with copper sulfate!
  • member 745317
  • · Replies 11 ·
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Trying to impress my 8th grade students, made some unknown stuff
  • Superkase
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Regenerating ion exchange resin
  • skyshrimp
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Chemical Garden, deeper conceptual explanation
  • mishima
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Dissolving caffeine in room temperature water
  • gregor_rdt
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Can degraded leatherette from Binoculars give off fumes?
  • Ephant
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Potassium Bichromate/Dichromate
  • saddlestone-man
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Solubility of Sodium nitrate and nitrite
  • Tas_T
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The 1/2 equivalent point in a titration curve
  • Saba
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Can detergent also evaporate beside water?
  • Ephant
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Azulene - an interesting blue organic compound
  • Astronuc
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Understanding CVT Fluid Viscosity and When to Replace: Expert Insights
  • Ephant
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Why Does Raman Activity Require Anisotropic Polarizability?
  • Dario56
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Normality of (COONa)2 - KMNO4 titration (redox reaction)
  • Man0uzz
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Calculating Molarity of KOH Solution: Discrepancy in Reported Results
  • pmason61
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If potassium phosphate is 98% pure, what is likely to be the 2% impurity?
  • skyshrimp
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Boiling Sugar: How to Avoid Unwanted Goo
  • Hornbein
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Could Pyrotechnic Pepper Spray Be the Ultimate Self-Defense Solution?
  • manmade
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Why does overcooking food usually harden it?
  • syfry
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Question about long-term storage of blue sphere silica gel
  • cdzfan
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How does Sodium acetate react with water?
  • Saba
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Questions about the common-ion effect
  • ProjectFringe
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Henderson Hasselbalch Equation - Request for Clarification
  • njh
  • · Replies 8 ·
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Molecular iodine in ethanol solution
  • dddd
  • · Replies 14 ·
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Density calculation sometimes can be confusing
  • Rev. Cheeseman
  • · Replies 36 ·
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NMR Spectrum - expected triplets appear as singlets
  • chemistryfourm
  • · Replies 4 ·
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2D electric field distribution in electrolyte solution
  • CheesyG
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Fluorescent Sample with Cuvette but not with Plate -- Why?
  • RooneyChemistry
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Calculate the theoretical yield of a polymer (polysuccinimide)
  • vasschina
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How do I synthesize Cedryl Acetate for perfumery?
  • krasss
  • · Replies 13 ·
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Light Heavy and Semiheavy Water Equilibrium
  • Vanadium 50
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How can I compute energy from a protein PDB file?
  • user366312
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Is there an acid that could dissolve Aluminium & leave Copper alone?
  • BriggsMason
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Why does temperature fall in endothermic process in adiabatic system?
  • zenterix
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Preserving breast milk for jewelry
  • Ty2828
  • · Replies 83 ·
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Does Resonance Occur in Nitrobenzene Despite Having One Pi Bond?
  • this_is_harsh
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Mass of a precipitate: solubility and Ksp in a chemical reaction
  • realMelody
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Can every atom be transformed into a noble gas?
  • CGandC
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General Formulas for Nitrogen Dioxide
  • Kendra Dods
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Using nitric acid to dissolve brass
  • butterchimkin
  • · Replies 8 ·
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Why Does Reactivity Differ in Group 7?
  • Biele
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Synthesis of Fluorescents AuNCs
  • Estefani
  • · Replies 1 ·
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Students' Complaint Gets Prof Fired
  • gleem
  • · Replies 45 ·
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