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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.
Fischer Projection to Haworth/Chair Conformation
  • ngu9997
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Metallica Unveils Blackened Whiskey Enhanced by Sound Waves
  • nmsurobert
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Can Copper Patina be Applied to Lead-Free Solder in Stained Glass Work?
  • CWatters
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Does resonance always affect acidity and basicity?
  • ngu9997
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New materials and ways to store electric energy
  • hugo_faurand
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Can NH2 with no formal charge on it be protonated?
  • ngu9997
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Why is Pressure Volume Work called P*delta V
  • sp3sp2sp
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What factors determine the acidity of hydrogens in vitamin C?
  • ngu9997
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Could heating stainless steel release any harmful materials?
  • kenny1999
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Why is this equation about adding pure substances correct?
  • HAF
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How volatile is urea in a water mixture?
  • Guilherme Franco
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What solvents are best for SN1 and E2 reactions?
  • ngu9997
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Why are non-polar molecules attracted to each other?
  • Hammad Shahid
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Basic Nickel-Iron Battery Experiment
  • Yrton
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How to calculate kinetics values?
  • BIOS
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Is this really an excited state?
  • nezahualcoyot
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Plastic formation in cast-iron pan
  • Tom Lever
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3
Trouble in understanding a few points of colligative properties
  • subhradeep mahata
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Where do vacant p-orbitals come from?
  • ProfuselyQuarky
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3
Why Do Different Materials Use Different Units for the Absorption Coefficient?
  • roam
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5
Investigating the Stoichiometry of Reactions 1 & 2
  • Kolika28
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2
Stabilize H2O2: Sodium Stanate & Phosphoric Acid
  • doctoxin
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Most Accepted Theory For Covalent Bonding
  • Navin
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RedOx Reactions & Phase Changes
  • somasimple
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Scrap Steel Refining: Separating Metals for New Steel
  • LAP3141
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Beer's law experiment - parameters
  • fog37
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How to Thin Si02 for Automotive Repair
  • Gaz1974
  • · Replies 7 ·
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Suspending Chrome oxide polishing powder
  • Mike shults
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Nitrogen Oxidizing properties at high temperature
  • Sebastiaan
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Problems with Raman Spectroscopy
  • GuiHn
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5
Electrolysis of NaHCO3 solution with lead electrodes
  • LeoPhoeniX
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2
How Does Adding CuSO4 Affect the Nernst Equation in Concentration Cells?
  • somasimple
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Molten Aluminium: Health Risks & Safety Tips
  • Thomas Gajdek
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Isotope applications in Agriculture industry
  • prashantakerkar
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3
How Does Activating ZnS with Sub-ppm Ag Work?
  • VACUUMIST
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Lemonade bomb (spoiler alert for "The Foreigner")
  • ShayanJ
  • · Replies 9 ·
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Nernst Equation with Pressure Differences
  • James Brady
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Where can I purchase some iron and nickel foams?
  • Yrton
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Which orbital is lower in energy
  • alijan kk
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Sn-125 (Tin-125): Usage & Information
  • Vahagn
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Why helium is easier to ionize than N2?
  • BlackPowder
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How does 1,4 H elimination work in butene?
  • dRic2
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No covalent bond formation due to repulsion
  • Maria Malik
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Can someone help with some lab results please (a KF Triation result)
  • Thomas Lyons
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Ammonia is a strong or weak field ligand?
  • Wrichik Basu
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Quick question - orientation of a hydrophobic / hydrophilic molecule
  • rwooduk
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What's the difference between neutral and stable?
  • HCverma
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Why does NH3 turn into NH4+? Also question about bond EN.
  • Hammad Shahid
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Another radical question: oxidation limited by radicals
  • rwooduk
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Motor Oil: Pure Substance or Mixture?
  • Another
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Why is iron added to the head of a match?
  • ORF
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In coordinate bond, why doesn't the H^+ atom get a negative charge?
  • HCverma
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Is Carbon a Mono-Atomic Molecule?
  • HCverma
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If NH4+ is the cation, then what is the anion of it?
  • HCverma
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Where does the negative charge come from in H2S?
  • HCverma
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How is the motion of an electron around nucleus?
  • Inderjeet Singh1208
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When the nucleus of H atom is neutral?
  • HCverma
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What does it mean by 1 amu? The mass of a proton?
  • HCverma
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Are Cl2, O2 , H2 etc neutral molecules?
  • HCverma
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Substances to absorb/adsorb HCHO vapours in car
  • Wrichik Basu
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When Cl, Br, I turn into Cl+, Br+ and I+?
  • HCverma
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Oddly specific number of elements
  • enter
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How to determine which radicals are dominant in oxidation
  • rwooduk
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What is the difference between 'equivalent' and 'equivalence'?
  • HCverma
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How to calculate change in pressure from LN2 phase change
  • AndyPivot
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How Can I Safely Remove a Seized Aluminum Tube from a Gasoline or Diesel Tank?
  • Thomas Lyons
  • · Replies 32 ·
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Why was the F block of the periodic table created?
  • nineteen
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(split) Remove an Aluminum Tube
  • sysprog
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Formal name for molecular aggregations?
  • icakeov
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How can 10% ethonal gas produce 73% alcohol? (with water)
  • NCBryan
  • · Replies 16 ·
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How big are the health effects of fluorocarbons?
  • Kontilera
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YouTube purging chemistry videos
  • Ygggdrasil
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NMR nuclear spin absorption/emission question
  • ForgetfulPhysicist
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Neutralize Hydrogen sulfide from piled sargasso seaweed
  • Tom Krall
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Electrode Polarization and Conductivity
  • fsonnichsen
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Hybridisation Doubt: When Does it Take Place and When Not?
  • Vatsal Goyal
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IUPAC Name of EDTA: 2,2′,2″,2′″-(ethane-1,2-diyldinitrilo-)κ^2N
  • Wrichik Basu
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Difference between 1 mole of CH4 and 1 molecule of CH4?
  • HCverma
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Where can I find rotational/vibrational temperature data for ethane?
  • jbowers9
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Is AMU the unit for both 'atomic mass' and 'molecular mass'?
  • HCverma
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Does 'molar mass' include an atomic weight for single atom?
  • HCverma
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An Ammonia Economy for Energy Transport and Storage
  • BillTre
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Where Does the Energy for Ionic Bonding Come From?
  • resurgance2001
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Volume of CO2 from a Tank at 30psi
  • sean882
  • · Replies 8 ·
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Stability Order of resonating structures
  • randomgamernerd
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Calculation of absorption spectra
  • roam
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Query on IUPAC nomenclature of coordination complexes
  • Wrichik Basu
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External hardware to use software?
  • jonjacson
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How is the angle of BF3 120 degrees?
  • prakhargupta3301
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Is this interpretation correct? (diagrams of Carbon Monoxide and Carbon Dioxide)
  • prakhargupta3301
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How can there be back-bonding in PF3?
  • prakhargupta3301
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Is Molecular Orbital Theory really helpful?
  • prakhargupta3301
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What is Hydrogen Bond Auto-correlation function?
  • DHN
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What is the Rydberg's formula? Will it be used here?
  • prakhargupta3301
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Why Isn't XeF4 Sea-Saw Shaped?
  • prakhargupta3301
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Can Nitrogen Replace CO2 for First Ignition in LPG Systems?
  • Saint1968
  • · Replies 19 ·
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Why isn't ClF3 trigonal planar?
  • prakhargupta3301
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Question about simple kinetics and stoichiometry
  • dRic2
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Reaction of 118 elements simultaneously = product?
  • hyunxu
  • · Replies 7 ·
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What would happen to a blob of mercury in space?
  • Malloy
  • · Replies 19 ·
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19