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.
How Do Colored Flames Work on Wax Candles?
  • Zenparticle
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How do bonding and antibonding MOs coexist in molecular systems?
  • HUMERA.S
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How to precipitate Al(OH)3 from potassium aluminate in KOH?
  • Antwerp
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What techniques are available to separate/filter gases?
  • pa5tabear
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Meso Compounds with an odd number of chiral centers
  • thefan
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Changing the 3D Structure of Molecules: Methods and Feasibility
  • mather
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Why do Nitrogen dioxide and hydrogen gas react with each other?
  • AakashPandita
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When water can form an H30+ ion why can't it form an H4O2+ ion?
  • AakashPandita
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Synthesize 1-Butyl-3-Propylbenzene from 1-Chloropropane & 1-Butyne
  • jayashae
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Polarity in water molecule and electronegativity of oxygen in that molecule.
  • AakashPandita
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Transparent paint carrier of electrical current
  • tohu
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THF evaporation under partial vacuum
  • krobben
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6
Transisiton metal electronic structure question.
  • MattA147
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Why Do Electron Shell Capacities Differ Between GCSE and AS Level?
  • MattA147
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Ortho/Meta/Para Chloro Benzyl Alcohol & Ester Reactivity
  • hajasharif2k5
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Can a Magnetic Field Create Ions?
  • HelloCthulhu
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3
Decent references for SN2 displacement of tosylate with acetylide
  • burningbend
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Converting Methane to Methanol with Photochemical Reactor
  • Skylight100
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How did they come up with this completed reaction
  • lechatelier
  • · Replies 8 ·
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8
Safety of Reacting: What's the Best Way?
  • gotjrgkr
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5
ACS Organic Chemistry Exam: Unlock the Mystery!
  • blaughli
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5
Electrolysis of aqeuous solutions
  • sgstudent
  • · Replies 17 ·
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Substitution Polymers: Research, Explanation and Help Needed
  • DanteSinger
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Help in Understanding Hydrogen Fuel Cells?
  • roym6
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Should variations in beaker mass be included in a chemistry lab report?
  • muhsentdrawji
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How do electron shells and subshells/orbitals relate?
  • ctownsley
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Oxidation & Reduction: Measurement of Power - Electrochemistry
  • mr newtein
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Does amount of electrons orbiting an atom effect rate of radioactive decay?
  • Rorkster2
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Derive the ideal gas law from Charles', Boyle's, and Avogadro's, how?
  • Try Hard0
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Why can't scientists make Gold?
  • Eric333
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Do water filters remove fluoride?
  • Pengwuino
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Understanding Crystal Structures: How to Read Table Data for Modeling in VESTA
  • dipole
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What Are the Best Science Demos for High School Students?
  • Opus_723
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Does iron react into gas phase?
  • pa5tabear
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Why do we use external pressure to calculate work in gas cylinders?
  • sodium.dioxid
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Metal oxides displacement reaction
  • sgstudent
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Why do cell walls become brittle when dried?
  • Johnleprekan
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Senior Thesis in Chemistry: Ideas for High Schoolers
  • echandler
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Element 114 = Flerovium; Element 116 = Livermorium
  • Astronuc
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6
How to use white phosphorus without ignite it?
  • Chitose
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4
How can the steric factor be greater than 1
  • BrianC12
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1
Alcohol Solvents: Dissolving Herbs' Alkaloids & Resins
  • Johnleprekan
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How to tell whether a reaction is an elementary reaction
  • BrianC12
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7
Why is Hess's Law Generally Not Obeyed?
  • BrianC12
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6
Determining an Emperical Formula using Combustion Analysis data
  • Crookedsky
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Help with definitions of dioxide and oxide
  • AH020387
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Why Is Carbon Dioxide Added to Tonic Water for Taste and Texture?
  • AH020387
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3D Printer Resin's Chemical Makeup?
  • n1caboose
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Sources for Crystal Models (FCC, BCC, etc)?
  • MissSilvy
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Is the octet rule, important to the atom?
  • johann1301
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Electrolysis of brine produced white stuff.
  • Fezziwig
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Why Doesn't Cooking Chicken in Aluminum Foil Cause an Explosion?
  • Bipolarity
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Leaky alkaline batteries - did I clean up enough?
  • Loosley
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Does an O Chem I and II Rxn Mechanism Bible exist?
  • ChiralWaltz
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Van der Waals forces of hydrogen
  • wenxian
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Ligand Exchange - are they reversible?
  • jsmith613
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Identifying Unknown Compounds in a Lab
  • a.dunn.wa
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Why is Mixing Units in the Nernst Equation Considered Accurate?
  • Acut
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Is There an Island of Stability in Nuclear Physics?
  • qedprigmosyno
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PEM Fuel Cells vs Batteries: Understanding the Difference
  • manp
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What is the dual nature of electrons and how does it relate to Quantum Theory?
  • san203
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Solubility of Benzo(a)pyrene & Other PAH's in Pure Water
  • dx/dy=?
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Unknown solution- ppm of Ca needed
  • jackscholar
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What is the hybridization of SnCl3 and is sp2 hybridization the correct answer?
  • Kurokari
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Best biology and chemistry textbooks to prepare for college
  • kodancer
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Effect of amount of catalyst in a reaction
  • sgstudent
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Boyles Law Graphs: PV vs Pressure Explained
  • TheRedDevil18
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Gyver: Quick-n-Dirty Synthetic Methane from Hydrogen
  • MacGyver2
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R S Configuration Assigning Priorities
  • Nitin_Naudiya
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Gibbs Free Energy Change/Entropy
  • sidnake
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What chemical solution to use for cleaning digital camera sensors?
  • Phili Jourdan
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How Do You Calculate Theoretical Reaction Time in Enzyme Experiments?
  • thestudent101
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Making Sodium Acetate Anhydrous: A Beginner's Guide
  • kensclark15
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What's the rule to covalent character
  • hms.tech
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Acid Base Theories: Bronsted-Lowry vs Lewis
  • hms.tech
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Where Can I Find Spectral Data for Schwartz Reagent (NMR/MS/IR)?
  • cep
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Inversion Temp: Critical Temperature Explained
  • moatasim23
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Why Does KMnO4 Oxidise I- to I2 in Acidic Medium but to IO3- in Alkaline Medium?
  • jd12345
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Carbon dioxide removal from biogas
  • MABELTD
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Why can't the phenyl cation be stabilized by resonance?
  • Ashu2912
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Mole Concept: 1.008g H & 12g C = Avogadro's # Atoms
  • cooper607
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What is water of crystallisation?
  • jd12345
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Ligand field stabilization energies, is it correct to say
  • Chemist20
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Activeion, new cleaning method, or homeopathy for dirt?
  • NeoDevin
  • · Replies 26 ·
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Orbital Hybridisation: Myth or Misconception?
  • RK7
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Is There an Acid That Can Corrode TiO2 Coating?
  • mah65
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Why is rate of dissolution constant?
  • sodium.dioxid
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What Does Enthalpy of Vaporization Mean Beyond the Boiling Point?
  • Silvius
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Partial derivative in thermodynamics
  • orgohell
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What may be the negative catalyst?
  • duke656
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Why Does Polymerisation Occur in Diols?
  • jsmith613
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What is Resonance in Haloarenes and How Can I Solve This Problem?
  • Nitin_Naudiya
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What is the Correction Made for Van der Waal Pressure?
  • moatasim23
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Separating Silver from Aluminum & Making Silver Nitrate
  • praeclarum
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Flouride salt safety issues? (high temperature)
  • Jack_O
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What iron-salts will dissolve in water?
  • CYP450
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Why does only the amino group react in the synthesis of paracetamol?
  • jsmith613
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NMR versus GC/MS, HPLC/GC, HCLtitration, meltingpoint test
  • chantal029
  • · Replies 3 ·
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Styrene Maleic Anhydride - Bond Angles and Lengths
  • TheHumblePoet
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Acid-Base Titrations and Liquid Soap
  • arthur_
  • · Replies 5 ·
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5