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.
Nucleophilicity of Halogens in aprotic solvent
  • hariharan venkatasu
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How do you calculate the Kuhn length of a polymer?
  • etotheipi
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5
Can You Describe the Smell of Ammonia to Me?
  • kyphysics
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Safe to Empty a "Pee Bottle" After 13 Days?
  • kyphysics
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How to identify stainless steel?
  • kenny1999
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Derivation of the orbital analysis equation and its physical significance
  • Hamiltonian
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Converting Units to Find Density of Unit Cell
  • i_love_science
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L type activated carbon -- is it hazardous?
  • Urgentt
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Is Supercooled Silicon Similar to the Anomalous Behavior of Water?
  • jaumzaum
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The NMR Selection Rules: Understanding Allowed Spin State Transitions
  • etotheipi
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How to turn a weak acid into a strong acid
  • Nick tringali
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Solidification of CaCO3 and CaHPO4
  • moshe zaguri
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Different metals in contact with each other
  • kenny1999
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Do chemists use X-NMR where the spin of X is greater than a half?
  • etotheipi
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8
RIP Mario Molina, Nobel Laureate for work on ozone layer
  • Ygggdrasil
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Solubility of weak acid salts of aluminum and silver
  • cuallito
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Isoelectric Point: Definition & Calculation
  • DLawless
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5
Comparing MO Labelling Schemes: LHS vs. RHS
  • etotheipi
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Who Won the 2020 Nobel Prize in Chemistry?
  • DrClaude
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6
Calculate the bond-dissociation energies and entropy of a molecule
  • Timi0904
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1
Looking for a Comprehensive Guide on Green Chemistry? Any Book Recommendations?
  • anyonebutangel
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5
Why Does Ionization Energy Increase Differently Between Orbital Types?
  • i_love_science
  • · Replies 9 ·
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Solvation of Ionic compound in water
  • SSG-E
  • · Replies 8 ·
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8
Reason for Ferroin's color shift
  • sekushi0range
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How Can an 8th-Grader in Pakistan Set Up a Home Chemistry Lab?
  • dcybroz
  • · Replies 26 ·
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Gram atomic mass -- what exactly is it?
  • Hamiltonian
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Is the Avogadro hypothesis ambiguous?
  • Hamiltonian
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Why does the pressure-volume-constant of Helium increase?
  • garr6120
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3
Does the Value of K Depend on Initial Reactant and Product Amounts?
  • i_love_science
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What materials are the most resistant to chemicals?
  • dcybroz
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Are fumes from burned rubber bands toxic?
  • Darkmisc
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Mothballs (to rid cockroaches) are safe to use in a home, right?
  • kyphysics
  • · Replies 3 ·
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Hydrography: Chemical Liquid A Explained
  • MaxS22
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Meaning of small triangle in chemical potential
  • etotheipi
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What is salt that has a green colour?
  • Nicol76
  • · Replies 10 ·
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Descaling Powders: Compounds & Dilution
  • Nicol76
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Activity - Equilibrium Expressions
  • i_love_science
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Why are the Two SSA Equations the Same in a Catalytic Cycle?
  • i_love_science
  • · Replies 7 ·
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Change in Free Energy when Heating a Substance
  • RoySRamirez
  • · Replies 9 ·
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What is the Longest Molecule Ever Discovered?
  • mollwollfumble
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Why wasn't fluorine used as a standard for atomic mass?
  • PainterGuy
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Memorizing Organic Chemistry: Structures, Reactions & Tips
  • i_love_science
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Reaction of Potassium Permanganate and Hydrogen Peroxide solution
  • neilparker62
  • · Replies 8 ·
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Phase Equilibrium of Liquid and Vapor Under External Pressure
  • dunciad
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Does ##H_2 O_2## or benzalkonium chloride pollute the environment?
  • Wrichik Basu
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3
Questions about UV light and dry plastic and rubber
  • terminator 87
  • · Replies 22 ·
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Could anyone me with identifying a molecule?
  • djembefolla
  • · Replies 11 ·
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Inspiring entrepreneur looking for expert advice
  • BOEbeauty
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Energy level diagram of a chemical reaction
  • Adrian Tudini
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Acetate anion destabilization by methyl group
  • hariharan venkatasu
  • · Replies 12 ·
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Face shield bleach disinfection
  • Secan
  • · Replies 25 ·
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Why & How HCl is Used for Cleaning Materials
  • ARN
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3
What is the medium size of a Hydrochloric acid molecule?
  • JorgeM
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Is this a more accurate representation of a molecule?
  • Matt204823545
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How do molecules in a voltaic cell interact?
  • Frigus
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Differentiate between iron and copper sulphide
  • Jehannum
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Radiation Increase Detected in Northern Europe
  • russ_watters
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How to clean polymaliec acid deposits off the inside of a barrel
  • LT72884
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What is a Liquid/Liquid Junction Potential and Its Role in Batteries?
  • somasimple
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To add more ions, but not get any precipitate?
  • angela107
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Is man-made leather generally safe or dangerous?
  • kenny1999
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Liquid Diamonds: A Mystery of Gas Giants
  • lavinia
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Is molarity the same as probability?
  • Frigus
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How does corrosion occur at the least oxygenated areas?
  • Arceus74
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The Mpemba Effect: Conditions Needed for Occurrence
  • binis
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Chemical reactions to depict Le Chatelier's Principle (Temperature)
  • angela107
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Is there a property that defines how much water a hygroscopic salt can absorb?
  • seanspotatobusiness
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Online reference table for solutes?
  • DaveE
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Why Did My Reaction Order Deviate in Chemical Kinetics Lab?
  • sergey_le
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Do we need salt bridges in Electrolytic cells?
  • jaumzaum
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Trying to Understand Ionization
  • SSG-E
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Electrostatically charged materials and IPA
  • LT72884
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Chemistry of Bitumin Road Degeneration
  • charles65
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Iron (nickel plated) -- what is it?
  • kenny1999
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Why do nonmetals and halogens tend to become anions?
  • aniseed
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Why we needed to define enthelpy?
  • Frigus
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Question about the quotient of the charge and mass of an electron
  • mcastillo356
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First ionization energy of group 1 and group 2 elements
  • ianc1339
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What is the best way to make Blueberries last longer?
  • skyshrimp
  • · Replies 12 ·
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Is it possible to ionize hydrogen peroxide at home?
  • yair252525
  • · Replies 11 ·
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How Many Natural Elements Are There?
  • RJ Emery
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Could This Chemical Reaction Have Been Dangerous to Breathe In?
  • StanG_80
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Does pressure affect equilibrium vapor pressure (or RH)?
  • Elquery
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Is Denatured Alcohol Safe for Use on Face Masks?
  • LT72884
  • · Replies 24 ·
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% Ionisation or % 'Ionization' for non-Australians
  • djsmith
  • · Replies 6 ·
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Could you please explain Azeotropes in detail?
  • Kaushik
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Oxidation States of Molecules and Atoms and the Relationship with Charges
  • Zohar
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Why Doesn't Alcohol Just Evaporate when Cleaning Wipes are Left "Open"?
  • kyphysics
  • · Replies 11 ·
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Using the forth flotation technique to mass produce SARS-CoV-2 serum
  • hagopbul
  • · Replies 9 ·
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Is vinegar plus bicarb a cleaner or disinfectant?
  • Merlin3189
  • · Replies 16 ·
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Can (water-soluble) vitamins/nutrients evaporate while cooking?
  • Wrichik Basu
  • · Replies 9 ·
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Can Bleach Water Get Into Microscopic Pores in Plastic?
  • LT72884
  • · Replies 10 ·
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Calculate the HCl concentration in H2O from the conductivity
  • gpsimms
  • · Replies 5 ·
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Extremely hydrogenated carbon compounds
  • James Essig
  • · Replies 4 ·
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4
Zinc Chloride: The Lewis Acid with Electrophilic Properties
  • hariharan venkatasu
  • · Replies 45 ·
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Query on electrochemistry: Vectorial charge transfer meaning
  • MarcoUscanga01
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How to make home-made hand sanitizer
  • Eskus
  • · Replies 29 ·
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Basic molarity and dilution formulas
  • LT72884
  • · Replies 6 ·
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Dalton's atomic theory, Avogadro, and caloric theory
  • PainterGuy
  • · Replies 4 ·
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Interfacial PDs vs Electrode Potentials
  • etotheipi
  • · Replies 2 ·
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2