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.
Can Seiryu Stone Affect Water Parameters in Aquariums?
  • Fishworks
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Does the Reaction of Cl2 and KH Produce KCl and HCl?
  • ProjectFringe
  • · Replies 5 ·
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5
Question Regarding the Shelf Life of Mineral Supplements
  • scott123
  • · Replies 6 ·
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6
Bubbles in buret experimental error
  • i_love_science
  • · Replies 1 ·
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Questions about rechargeable batteries
  • kenny1999
  • · Replies 4 ·
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4
Why Do Pharaoh Ants Build Sand Mounts in Borax Ant Baits?
  • Cobul
  • · Replies 13 ·
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13
Creating Buffers: Salt or Acid/Base Pair?
  • i_love_science
  • · Replies 1 ·
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1
What is the surface of fridge door made from?
  • kenny1999
  • · Replies 7 ·
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7
I have no idea why this is an enantiomer
  • Nick tringali
  • · Replies 3 ·
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3
Polarity of Propan-1-ol and Propan-2-ol
  • organicchemistryyayy
  • · Replies 1 ·
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Percent change vs. percent difference
  • i_love_science
  • · Replies 10 ·
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10
Standard deviation and standard error
  • i_love_science
  • · Replies 1 ·
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1
Crust on old Battery -- What happens when you drop Vinegar on it?
  • Mikestone
  • · Replies 3 ·
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3
Why Do Radicals React Differently with Br?
  • Nick tringali
  • · Replies 2 ·
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2
Anisotropic Etching in Semiconductor Fabrication
  • pj33
  • · Replies 1 ·
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1
Does high electronegativity mean low electropositivity?
  • ProjectFringe
  • · Replies 10 ·
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10
Can a compound have multiple structures?
  • ProjectFringe
  • · Replies 3 ·
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3
Breaking an Ionic Bond-Atom Charge & Electron Config
  • ProjectFringe
  • · Replies 3 ·
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3
Ionic bonding question about "double" ionic bonds
  • ProjectFringe
  • · Replies 8 ·
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8
How can I make a sodium anion (Na-)?
  • ProjectFringe
  • · Replies 2 ·
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2
What is the dissociation constant of acetic acid in water?
  • Thecla
  • · Replies 3 ·
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3
Is there an online data resource for electrolyte conductivities?
  • cmb
  • · Replies 5 ·
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5
Sodium or calcium hypochlorite related to 2.5% active chlorine?
  • gamer87
  • · Replies 2 ·
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2
Question about humidity and plastic and rubber
  • gamer87
  • · Replies 5 ·
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5
Calorimetric Theory Discrepancy
  • DT21
  • · Replies 4 ·
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4
Question about electrolytic capacitors
  • gamer87
  • · Replies 28 ·
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28
PEM electrolyzer - How does platinum reduce activation energy?
  • HelloCthulhu
  • · Replies 2 ·
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2
Can K2N2H2++ be produced through a first-principles approach?
  • ProjectFringe
  • · Replies 16 ·
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16
Rate of reaction? (UV and heat)
  • kenny1999
  • · Replies 8 ·
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8
When something is scratched, even slightly
  • kenny1999
  • · Replies 4 ·
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4
Hybridization of atoms in heterocyclic compounds
  • Mayhem
  • · Replies 6 ·
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6
Galvanic cells: H+ vs H2SO4, and Br2(aq) vs Br2(l)
  • i_love_science
  • · Replies 2 ·
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2
What caused this calcium deposit?
  • DaveC426913
  • · Replies 8 ·
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8
Redox products with inert electrodes?
  • somasimple
  • · Replies 3 ·
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3
Is UV Light from LED Bulbs Harmful to PS2 Slim's ABS Plastic and Rubber?
  • gamer87
  • · Replies 6 ·
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6
Molecular weight of lead(ii) nitrate Pb(NO_3)_2
  • Paul Black
  • · Replies 4 ·
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4
Molecular Weight Surprise: N2 Bigger Than O2 & CO2
  • PAllen
  • · Replies 3 ·
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3
Why Do Enantiomers Interact Differently with Chiral Compounds?
  • i_love_science
  • · Replies 3 ·
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3
Potassium sodium tartrate preparation and comparison with recipes
  • latot
  • · Replies 1 ·
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How do I know which enthelpy change to calculate?
  • Physicsman788
  • · Replies 2 ·
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2
I do not understand oxidizers and what they do
  • Nick tringali
  • · Replies 15 ·
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15
Question about chlorine + water
  • gamer87
  • · Replies 4 ·
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4
1420 MHz--- the emission frequency of cold hydrogen gas
  • timmeister37
  • · Replies 30 ·
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When Should I Apply ΔH After Calculating Q in Thermodynamics?
  • yuh_yuh
  • · Replies 2 ·
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Can moisture in a microwave cause ink to move on a mug?
  • AppleDan
  • · Replies 19 ·
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Removing green copper oxides with Electrolysis, chemicals, etc.
  • jake jot
  • · Replies 57 ·
2
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57
Sodium Hydroxide + Iron Oxide: Green Tint Explained?
  • BWV
  • · Replies 15 ·
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Is the O2 bond hybridized or not? "Experts" give conflicting answers....
  • ForgetfulPhysicist
  • · Replies 8 ·
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8
Electrolysis of Water -- Rate of Reaction?
  • Cheesycheese213
  • · Replies 8 ·
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8
Does an RFID wallet contain any chemical addictives?
  • kenny1999
  • · Replies 2 ·
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Buffer solution working with DNA -- I have to dissolve dried oligos in PBS
  • chmenaive
  • · Replies 1 ·
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Production of oxygen in a submarine
  • PainterGuy
  • · Replies 3 ·
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Energy differences of molecular orbitals
  • Helena Wells
  • · Replies 4 ·
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Why does roofing occur despite the difference in chemical shift?
  • Popz
  • · Replies 1 ·
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1
How Do You Determine The Number Of Moles In A Volume Of Gas?
  • BigDon
  • · Replies 19 ·
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19
Finding the g-value in the Boltzmann distribution
  • JoJoQuinoa
  • · Replies 7 ·
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7
A few questions about electrodeposition of Cu with H202 and CH₃COOH
  • theycallmevirgo
  • · Replies 2 ·
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Molarity is represented by M and its unit is also M?
  • SHASHWAT PRATAP SING
  • · Replies 23 ·
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Scientific analysis -- How many seconds does it take for the paper to burn?
  • Carlos_Ishigami07
  • · Replies 3 ·
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What Chemistry Equation is this? (from Dr Stone Anime)
  • Carlos_Ishigami07
  • · Replies 5 ·
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5
What category of compound is this?
  • strangerep
  • · Replies 16 ·
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16
How does temperature affect solutions?
  • DaveE
  • · Replies 6 ·
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6
Nomenclature questions -- Naming structures when given compounds
  • Sunwoo Bae
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How does the Enthelpy change tell us about the stability of the product?
  • Frigus
  • · Replies 3 ·
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3
Concentration of electrolyte for the electrolysis of water?
  • Cheesycheese213
  • · Replies 7 ·
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7
Mystery of Fizzing Gas Duster - Videos Included
  • PuzzledMonkey
  • · Replies 7 ·
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7
Invisible Ink that you can see through an IR lens
  • Aidentheawesome23
  • · Replies 13 ·
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13
Naming the pentane with phenyl group (or benzene with aryl group)
  • Sunwoo Bae
  • · Replies 1 ·
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Why Do Penny Stacks Bond Together?
  • Kirahlogin
  • · Replies 7 ·
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7
Applying desiccant to surfaces (aluminum sheet or PLA/PETG)
  • mess
  • · Replies 9 ·
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9
Why does nitrogen sp3 hybridize?
  • Mayhem
  • · Replies 18 ·
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18
Can we write mass in coefficients of elements in a chemical equation
  • SHASHWAT PRATAP SING
  • · Replies 4 ·
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4
Significant Figures of 225.0 & Molar Volume at STP
  • i_love_science
  • · Replies 3 ·
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3
Is percent yield based on grams or moles?
  • i_love_science
  • · Replies 1 ·
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Radioactivity and the Periodic Table
  • fog37
  • · Replies 24 ·
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24
Interpreting Energy diagrams for polyatomic molecules
  • fog37
  • · Replies 6 ·
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6
What is the difference between internal energy and enthalpy?
  • fog37
  • · Replies 12 ·
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12
Question about plastic bags and humidity
  • gamer87
  • · Replies 10 ·
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10
Chymotrypsin and trypsin specificity investigation - help please
  • hlaurenc
  • · Replies 5 ·
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5
AI meets Chemistry in solving electronic Schrödinger equation
  • fresh_42
  • · Replies 0 ·
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List of H20 breakdown substances
  • jake jot
  • · Replies 57 ·
2
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Boiling Tap Water for Drinking: Benefits & Risks
  • Herbascious J
  • · Replies 4 ·
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4
In what class does one typically learn that atoms emit EM radiation?
  • timmeister37
  • · Replies 21 ·
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Is Steric Inhibition of Resonance Affecting Acetate Ion Stability?
  • hariharan venkatasu
  • · Replies 5 ·
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5
Questions about muriatic acid and hypochlorite sodium
  • gamer87
  • · Replies 9 ·
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9
Does Polyester resin + catalyst react with uncured polyurethane foam?
  • mess
  • · Replies 1 ·
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1
Help with PVP-I & DMSO solution
  • Giuseppechimico
  • · Replies 2 ·
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2
The concentration of a solution is 4%
  • peterkuk
  • · Replies 6 ·
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What is the structure of FOOOF and FOOOOF?
  • etotheipi
  • · Replies 11 ·
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11
Why do sodium ions not continuously build up in swimming pools?
  • Nathi ORea
  • · Replies 4 ·
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4
How is Gibbs Free Energy Calculated?
  • afcwestwarrior
  • · Replies 3 ·
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Is empenthrin much safer than 1-4 dicholorobenzene? (used in mothballs)
  • kenny1999
  • · Replies 5 ·
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Why do Lifesavers no longer produce a blue flash, but Altoids still do?
  • Ivan Seeking
  • · Replies 8 ·
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8
Does white vinegar really neutralize airborne odors and not just mask them?
  • joniverson
  • · Replies 2 ·
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Explanation of the spectrochemical series of transition metal ions
  • HAYAO
  • · Replies 6 ·
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6
Question: How to remove capric acid (caprate) from estrenes?
  • Maruska
  • · Replies 5 ·
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Diffusion Coefficient still doesn't make sense in air at STP
  • Rooner1
  • · Replies 3 ·
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3
Is Dragos rule evidence of hybridization theory's failure?
  • Hamiltonian
  • · Replies 9 ·
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Explaining Differences in Terbium & Uranium Electron Configs
  • i_love_science
  • · Replies 3 ·
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3
How do we account for multiple sources of uncertainty in a measurement?
  • i_love_science
  • · Replies 4 ·
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4