Chemistry Forum

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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.
  • Sticky
Illegal/Dangerous chemical activities
  • chemisttree
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Gold hydride - what is the significance?
  • Astronuc
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Bismuth Crystals
  • Hornbein
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Affordable way to remove potassium from off-grid water?
  • questions8938
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Cyano substituted hydrazines
  • hilbert2
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Why do octets lead to a stable configuration?
  • Shrijit Roy
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8
Removing silver stains
  • ldanielrosa
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Nobel Prize in Chemistry 2025
  • Greg Bernhardt
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Racemic mixtures versus achiral compounds
  • emitted_echo
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Side reactions while dissolving silver
  • ldanielrosa
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Gamma Radiation and Electrolysis
  • Highlight
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6
Why is AuCl4 an anion?
  • Redriq1
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A different periodic table to ponder
  • DaveE
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C&EN, "Are COFs the new MOFs?"
  • Astronuc
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Rubber tyre “melting” inside, turned to deadly goo. Why?
  • guyburns
  • · Replies 5 ·
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Question about lead & lead vapor
  • sharps4590
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Gas Compressibility Factor Interpretation
  • Kakashi
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City hard water turns ceramic tile bathroom shower grout orange color.
  • gary350
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Zeroth Law of Thermodynamics
  • Kakashi
  • · Replies 5 ·
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Solvents for cleaning soap film?
  • DaveE
  • · Replies 7 ·
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7
Hydrochloric Acid, NaOH, and English Ivy
  • guyburns
  • · Replies 21 ·
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21
What glass is best at resisting acids when dissolving?
  • SeekingKnowledge
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Can you make pure water acidic by adding free protons to it?
  • Warp
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Alternative to Lead in car Batteries
  • Thecla
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Molecular-level explanation of macroscopic phenomena: dissolving
  • dextercioby
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Flash Joule Heating (FJH) Method for treating process waste streams
  • Astronuc
  • · Replies 0 ·
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Looking for Equipment for Solid Phase Peptide Synthesis
  • Sara128
  • · Replies 1 ·
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Do I Have Micro Plastics In My Filtered Water?
  • Nabir14
  • · Replies 27 ·
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How to reduce tin?
  • ldanielrosa
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What type of lab to go to for testing my home's tap water?
  • timeuser84
  • · Replies 5 ·
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How to make Sodium Chlorate by Electrolysis of salt water?
  • gary350
  • · Replies 20 ·
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Dissolving silver
  • ldanielrosa
  • · Replies 5 ·
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5
Ruthenium-Iridium compound with catalytic effects
  • Astronuc
  • · Replies 1 ·
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RIP Darleane C. Hoffman (1926-2025)
  • robphy
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Will-o’-the-Wisps
  • BillTre
  • · Replies 2 ·
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Chemists finally know why palladium beats nickel at C–H activation
  • Astronuc
  • · Replies 1 ·
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Humidity of a saturated NaCl solution with anticaking additive
  • JT Smith
  • · Replies 14 ·
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Resists for etching Aluminium with NaOH
  • CWatters
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Why does having 8 valence electrons make an element inert?
  • Redriq1
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Solubility of MgSO47H2O in water
  • JT Smith
  • · Replies 34 ·
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Enthalpy - published values
  • Joseph M. Zias
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How would you describe briefly your own mental modeling of chemistry?
  • pellis
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Sc-Cr Metal complexes open benzene ring
  • Astronuc
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Making a 12% Magnesium Chloride solution
  • Sodagit
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How Can I Reverse Engineer and Create a DIY Halloween Pumpkin Pulp Replica?
  • raider
  • · Replies 11 ·
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Electrospray ionisation
  • hmparticle9
  • · Replies 3 ·
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Substance that boils at room temperature: Controlling the boiling temperature
  • Pisica
  • · Replies 12 ·
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Help with chemical potential formula in a mixture
  • Tryhard_
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What Is the White Powder from Ultrasonic Humidifiers and Is It Harmful?
  • russ_watters
  • · Replies 43 ·
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Raman Spectroscopy Setup Not Functioning as Intended
  • Bogthornder
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Do Spontaneous Reactions actually need activation energy?
  • Redriq1
  • · Replies 14 ·
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Net charge for phosphate and phosphite ion
  • Jigneshbharati
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Trying to understand alveolar surface tension
  • samy4408
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Counting d-electrons in M(I) transition metals
  • Mayhem
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Skewed 3D visualization of E/Z in alkenes
  • nomadreid
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(S)-2,3- Dihydroxypropanal priority
  • nomadreid
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Ambiguity as to source of high pH
  • neilparker62
  • · Replies 13 ·
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Cleaning a small batch of HDPE flakes obtained from motor oil containers
  • Kakashi
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Electro-chemical degradation of stainless steel wire in my garden Slug-o-Cuter?
  • Techno_Gardener
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Mnemonic for Lewis acids and bases
  • em3ry
  • · Replies 19 ·
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How to lower Iodine number in Kernel oil
  • fairlovely
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Please explain the reaction between Potassium carbonate and Magnesium
  • lioric
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Why ethanol vapor doesn't get trapped in bread dough, while CO2 does?
  • lost captain
  • · Replies 28 ·
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How does iron oxide accelerate cyanoacrylate glue curing?
  • bland
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Iupac Nomenclature
  • neilparker62
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Question About Breaking Bonds in Crystal Lattices
  • NullusSum
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Why are some d-electron configurations more stable? (1st row)
  • Mayhem
  • · Replies 4 ·
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Oligomerisation of L-Lactic acid to Prepolymer
  • MahoneyTree
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Testing for the type of alcohol
  • bigshlomi
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Safety in chemistry, but also in terms of functionality?
  • naodorime
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Rationale for 6n+2 rule for the number of pi bonds in a non-cyclic molecule
  • nomadreid
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Need help with alcohol burner and denatured alcohol
  • bigshlomi
  • · Replies 17 ·
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Please Help with bonding frequencies
  • Lahearle
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Sodium hypochlorite and alkyl benzene sulfonic acid
  • RStone
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How to predict the volume of a solution?
  • mishima
  • · Replies 1 ·
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Elephant toothpaste to fight fires?
  • Occar
  • · Replies 5 ·
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Info on handling dangerous elements
  • Saaz
  • · Replies 7 ·
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Potential across a battery cell change ion concentrations and electron flow
  • DumpmeAdrenaline
  • · Replies 4 ·
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2nd Order Reaction - Units of Volume is in molarity?
  • laser1
  • · Replies 1 ·
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Doubt EVA material
  • jonas7878
  • · Replies 4 ·
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Disodium Octaborate Tetrahydrate questions
  • kyphysics
  • · Replies 6 ·
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How to predict chemical reactions?
  • askingask
  • · Replies 16 ·
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Diamond vs. Acids at room temperature
  • PatrickP2
  • · Replies 15 ·
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Using Ethyl Butyrate to flavor water?
  • skyshrimp
  • · Replies 17 ·
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Explanation for high boiling point of Iodine Monobromide as compared to Iodine Monofluoride
  • neilparker62
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Will Atomized Kerosene Ignite with a Spark in Controlled Conditions?
  • guss
  • · Replies 8 ·
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TBT, PFAS and Pesticides (Sample Analysis Budgets)
  • RPSilva
  • · Replies 1 ·
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How to remove epoxy resin from diesel fuel? A/B extraction? Distill?
  • Zxerja
  • · Replies 7 ·
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Where can I find chemistry experiments that are accurately described with the Dirac equation?
  • jonjacson
  • · Replies 19 ·
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How Does SO3 Form 3 Pi Bonds Without an Expanded Octet Structure?
  • hellohellohello
  • · Replies 2 ·
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Chemically regenerating my auto's catalytic converter?
  • BadCatP0420
  • · Replies 19 ·
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Is Sylcap 284 as permeable as Sylgard 184?
  • FirkwithaD
  • · Replies 2 ·
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Mouth heating up after eating biscuits
  • Nabir14
  • · Replies 13 ·
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What is this clay and rubberish metarial?
  • Nabir14
  • · Replies 7 ·
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Looking for a chemical with a boiling point between 10C and 50C
  • Skaperen
  • · Replies 4 ·
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Making a synthetic tar/pitch material for a robot
  • Magnus Wootton
  • · Replies 4 ·
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Potassium alum: how to prevent recrystallization in water?
  • Antonspb
  • · Replies 1 ·
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What is the reaction of Ethyl 2-cyanoacrylate (superglue) and Alumina powder?
  • Qmavam
  • · Replies 4 ·
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When do cyanide ligands form a tetrahedral geometry with Co2+ ?
  • adf89812
  • · Replies 1 ·
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Why are metals in aqueous solution basic, and non-metals acidic?
  • adf89812
  • · Replies 1 ·
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Reaction Rate experiment: Potassium Permanganate and Hydrogen Peroxide
  • neilparker62
  • · Replies 3 ·
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