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.
Fluoroalkanes, and Zaitsev's rule
  • Kitrak
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NMR: Why do "identical" protons not experience splitting?
  • RKlintworth
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List of metals or alloys with fatigue limit
  • TheAzn
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What's the best way to make high quality Cu(II)SO4 crystal?
  • Felchi
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Carbocation Stability in Prop-1-enylbenzene
  • Suraj M
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Polymerization of acrylamide with K Persulfate without Bis
  • SchrodingersMu
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Is there any mechanism for learning p block reactions?
  • Raghav Gupta
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Mechanism for Phosgene Formation
  • chemkid01
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In absolute need of help with chemistry labs
  • JoeyCentral
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Does the smell of alcohols increase as molar mass increases?
  • maturk
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Why reducing nature of hydrides increases down a group?
  • Raghav Gupta
  • · Replies 42 ·
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Order C-I, C-Br, C-Cl, & C-F Bonds by Length
  • henry3369
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Understanding the Saytzeff and Hoffman Rule in Organic Chemistry: An Explanation
  • Suraj M
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Why Do Electrons Further Away from the Nucleus Have More Energy?
  • henry3369
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Does KP predict reaction direction?
  • Mike Dacre
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What is the Mechanism of Trinitration of Phenol?
  • proton007007
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Why does O acquire a positive charge in the reaction
  • andyrk
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3
Equilibrium Problem: Relationship Between Q, K, and ∆G
  • patrickbotros
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Why is Liter*atm equivalent to Joules?
  • patrickbotros
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7
When to use which Equilibrium Constant. (Kp vs. Kc)
  • patrickbotros
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Where is the alcohol peak on 5-iodovanillin?
  • mnmman
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Why do lanthanides have +3 oxidation state(most stable).
  • Raghav Gupta
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Why is Delta S purely dependent on gases?
  • patrickbotros
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Why do xenon/krypton have relatively high electronegativity
  • psuedoben
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Does the basicity of hydrides increase with larger atom size?
  • AdityaDev
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Organic Chemistry - Synthesis of Lidocaine
  • Sylvia
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Aluminum + Hydrochloric Acid: Making Aluminum Chloride
  • seyyed30
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Size difference between Hydrogen ion and electron?
  • rizwanibn
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Difference between dye and pigment
  • fog37
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4
Titration Apparatus: Acid/Base, Necessity of Known/Unknown
  • erisedk
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What type of intermolecular forces are exhibited in BF3?
  • joerog
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8
Dumb question but here goes-cations/anions?
  • Tribo
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11
Is an Ionic Bond Not a True Chemical Bond?
  • Ott Rovgeisha
  • · Replies 11 ·
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11
Metal Toxicity: Handling Cobalt and Tungsten Safely without Gloves
  • Calpalned
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Why is Thallium More Toxic than Other Boron Group Elements?
  • Calpalned
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How do catalysts speed up reactions without losing energy?
  • Felchi
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4
How cathode is positively charged in voltaic cell?
  • gracy
  • · Replies 61 ·
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Mysterious Fluorescent Yellow Reaction with Dettol Antibacterial Spray
  • julietta
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In Gibbs Free Energy, why multiply -T?
  • bubblewrap
  • · Replies 81 ·
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When does resonance take place?
  • kay
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Working with Maxwell's equations
  • AndrewBworth
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Is it Possible to Create a Monatomic Hydrogen Ion Gas?
  • RyanV777
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Optimizing Orbital Shielding: Comparing 1s, 3s, 4d, and 5s Orbitals
  • henry3369
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Fuel cell open circuit voltage and pressure of reactants
  • Mr bboy
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How does pressure affect the rate of a gaseous reaction?
  • absolutezer0es
  • · Replies 6 ·
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Basicity of hydrides if group 15 elements
  • AdityaDev
  • · Replies 15 ·
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Need suggestion of commercial chemical to clean shower stall
  • yungman
  • · Replies 11 ·
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Diethyl Ether and Hydrofluoric acid reaction
  • MasonX
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What is the Connection Between Entropy and Freezing Point Depression?
  • gracy
  • · Replies 7 ·
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7
Principle and Angular Momentum Quantum Numbers
  • henry3369
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Will reversing Avogadro's Law lead to equal volumes for equal moles of gas?
  • gracy
  • · Replies 8 ·
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Work Done Calculation: Cylinder Piston System
  • gracy
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Dissolve Aluminum from Spiral Drills - Machinists Tips
  • Zach.L
  • · Replies 13 ·
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Ethanol Extraction for Food Flavors: Natural or Synthetic?
  • alphacat92
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Why reduced atoms are more energetic?
  • godingly
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Produce Copper Carbonate with Electrolysis
  • max6333
  • · Replies 12 ·
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Software for simulating atom interaction
  • lennon
  • · Replies 6 ·
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Relationship Between Hybridization, Bond Length, and Reson
  • TimeInquirer
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Where Can I Find Quality Inorganic Chemistry Videos for High School?
  • Raghav Gupta
  • · Replies 8 ·
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Hybridization of carbanion in rings
  • mnmman
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4
Can I make a banana from nothing?
  • Scott Pratz
  • · Replies 6 ·
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First Ionization energy exceptions
  • henry3369
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Periodic trends and effective nuclear charge
  • henry3369
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Supercooled ethanol/distilled water solution
  • vilisito
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Surface area contact with catalyst effect on hydrogen redox
  • CraigH
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Sodium hydride from sodium and hydrochloric acid
  • chloe100
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Making Liquid CO2: Is It Possible?
  • Suraj M
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Difference between molecular mass and molar mass
  • gracy
  • · Replies 13 ·
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Free energy in the free expansion of an ideal gas
  • MexChemE
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Problem with corrosion of gypsum cement
  • dspdrew
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Classical gases not necessarily ideal
  • Logan Land
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Heating CaO to create intense light
  • fishtail
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What is Kr2+ electron configuration?
  • fsci
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How Can the Rate of One Reactant Reveal the Whole Reaction in Chemical Kinetics?
  • Chemer
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Relative stability of ortho and para isomers
  • Prashasti
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Charge of an Ion - What Does "+1" Mean?
  • FredericChopin
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Europiums electron configuration
  • Mniazi
  • · Replies 9 ·
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Do Any Chemicals Undergo Reverse Phase Transitions?
  • Physt
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Litmus on Aldehydes,Ketones,Alcohols,Amines.
  • Raghav Gupta
  • · Replies 10 ·
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Exciton Diffusion Length in P3HT:PCBM BHJ Cells
  • Physicist3
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What-where is the proof for Avogadro΄s law?
  • luckis11
  • · Replies 17 ·
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Can a Thermos Truly Keep Water Hot Forever?
  • Edward Wij
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Questions on Magnetism and Domains
  • Niaboc67
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DFT Hybrid Functionals: Inclusion of HF Exact Exchange Energies
  • hiltac
  • · Replies 8 ·
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Fossil Fuels vs. Natural Gas: Carbon Emissions Explained
  • davidgrant23
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How water, CO2, sand etc extinguish fire?
  • Raghav Gupta
  • · Replies 12 ·
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Can rechargeable batteries last for 3-4 years with 24h use at 5-15 volts?
  • MXM13
  • · Replies 33 ·
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What Are Some Alternative Fixed Temperature Baths for Accurate Calibration Data?
  • Physt
  • · Replies 2 ·
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Why does degree of dissociation increase with decreasing concentration?
  • gracy
  • · Replies 9 ·
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Reduction of quaternary ammonium salt
  • AdityaDev
  • · Replies 3 ·
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Voltaic (Daniell) Cell: Zinc Oxidation Explained
  • gracy
  • · Replies 3 ·
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What Are Some Good Beginner Chemistry Experiments to Try at Home?
  • Niaboc67
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Energy of reaction: per moles of what?
  • Danny-Boy
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Can Ammonium Bicarbonate 'salt out' ethanol alcohol?
  • ejnovek
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What is the independent variable in Boyle's Law?
  • AAAA
  • · Replies 7 ·
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Formation of Excimer Structures: Explained for Engineers
  • MartinMan
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Is HCl a Molecular or Ionic Compound?
  • barryj
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Kinetic equilibrium of chemical reaction
  • sludger13
  • · Replies 1 ·
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What Causes Magnetism and Repulsion in Magnets?
  • Niaboc67
  • · Replies 7 ·
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What really are resonance structures?
  • Yashbhatt
  • · Replies 9 ·
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9