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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.
What is it about the EM waves that get absorbed by electrons
  • Nicholas Ham
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How to assign symmetry to water molecule using D4h symmetry?
  • fangrz
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Can Electrons' Energy Levels Change in eV Through Various Means?
  • Nicholas Ham
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Understanding Hetero and Homo Mixtures for Chemistry Beginners
  • leighflix
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5
Why doesn't N3- have a dipole moment arrow from the central atom?
  • Sho Kano
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Michelson Interferometer IR Lab Question
  • BrainHurts
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Could you make an opaque solid matter's electrons have the same....
  • Nicholas Ham
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How Can Electrons Move to Higher Shell Levels Without Light Absorption?
  • Nicholas Ham
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Oxidation of iron and galvanised iron in bleach
  • Hannichan
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5
Why is 2L used as the distance in the derivation of 1/3nMc^2 = nRT?
  • sgstudent
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Adding Nickel to Zinc Sulphate Solution
  • Physics_Kid
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2
Balancing Reaction of Formic Acid and Ammonium Hydroxide
  • PCSL
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A Question about Chemical Equilibrium
  • vijayramakrishnan
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Reactivity of Halogens: Why Decreases Down the Group?
  • Faiq
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10
Solubility of CS2: Temperature Effects
  • Karan Punjabi
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6
What are the properties of lithium gas?
  • ARC123
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5
Calculating Specific Gravity of Brine at High Pressure and Temperature
  • Sorade
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How Batteries Work: Anode, Cathode & Electrolyte Explained
  • ARC123
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End Amt =Start Amt *e^-0.0391 * t (in years) Half-life =?
  • wolf1728
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2
Useful Tutorials for Organic Chemistry Software
  • JaneJ
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Graphene: Questions from a Non-Chemist
  • tim9000
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Contradiction between the show Cosmos and what someone here told me?
  • bluemoonKY
  • · Replies 50 ·
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Is it possible for heat to be a physical form?
  • ARC123
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4
Determining Adsorption of CO2 with Microporous Polymer
  • Sancho Panza
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2
Cleaning My Car Glass that damaged from Phosphate plant
  • ahmadnahla
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5
Doubt from second law of thermodynamics
  • vijayramakrishnan
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How to Dissolve Solid Strontium for Use in Graphene Dispersions?
  • Singularityguy
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Can Potassium Fluoride Be Used for Electrolysis?
  • redwraith94
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Glucose Heating w/ HI: Why Get N-Hexane? | Reaction Explanation
  • erisedk
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2
Avagadro Software and The Inversion Potential of Ammonia
  • kq6up
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2
Mixed urine with small amount of diluted household bleach
  • xmasfriend
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Could Steam and Coke Reactions Lead to Water Gas Formation?
  • chemguy777
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3
Insights Interview with a Chem-Physicist: DrClaude - Comments
  • Greg Bernhardt
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5
Sodium hypochlorate has formed a dark brown precipitate?
  • ChromeBit
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8
Oxidation of Aldehyde with Potassium Dichromate(VI)
  • DK168
  • · Replies 9 ·
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Calculating the Specific Heat of a Solution with NaCl and H2O
  • joaquinjbs
  • · Replies 12 ·
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How does diamagnetism originate?
  • Robert100
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Downfield isnt low field .... or is it?
  • Miffymycat
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Why do different colors of playdough smell and feel different?
  • KarminValso1724
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Could a planet have liquid water without an atmosphere?
  • bluemoonKY
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How to determine the movement of electrons between atoms
  • gabede
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I am 14 years old and made a chemistry software
  • QuantumEngine
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What home based solvent might dissolve unknown molecular particles?
  • VikkiM
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Why do deshielded protons require more energy in NMR spectroscopy?
  • davgonz90
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Water electrolysis with carbon cathode.
  • johnbbahm
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How to know what binding agent to use? (powder into pseudo solid form)
  • NotASmurf
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Gelatin hydrogels for rheometer
  • marilli
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Where Can I Find Reliable Solubility Data for Various Mixtures and Temperatures?
  • Serena
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3
How does an electron in a hydrogen atom utilize extra energy during excitation?
  • UchihaClan13
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Digestion of Pb-alloy for ICP-OES analysis
  • mpotocni
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14
Solving the Mystery of White Crusty Substance After H2O2 Use
  • Theoden
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Is there a practical way to make homemade 3% H2O2?
  • M1031
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What is heat-transfer coefficient alpha
  • joaquinjbs
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When is ΔH = ΔU in Thermodynamics?
  • abhishek4
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How Can I Safely Utilize Freshly-Isolated Silicon?
  • Theoden
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Question about ionic compounds
  • Lim Y K
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Why is the pressure of fluid important for vapor pressure and cavitation?
  • Lisciu
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Correlation between macronutirients and radionuclides
  • hariprasath
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Electrolysis/fuel cell reversal question
  • twiz_
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What does this symbol mean in a chemical equation?
  • thebosonbreaker
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Plane of symmetry in alphabet N
  • Elena14
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Can someone reformulate an instant ice pack to be colder?
  • Natureknows
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Oxygen vacancies in the structure?
  • rwooduk
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Solid Rocket Fuel and Oxidant Agent
  • fog37
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Is it possible for an atom to have a pure electrical charge?
  • ARC123
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4
How Do Volume Expansions Differ in Liquids and Gases Due to Temperature Change?
  • master_333
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Understanding Quantum Numbers and Orbitals: Tips for Effective Learning
  • Docscientist
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Are the properties of a crystal and its unit cell same?
  • Elena14
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Electronic configuration of transition elements
  • Docscientist
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Eutectic alloy with Strontium & Lithium?
  • Chris Wallin
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Lithium-6 Hydride verses Lithium-7 Hydride
  • Doc B
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Is Osmosis a Phenomenon of Thermodynamics?
  • larsa
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Why Does Electron Energy Remain Constant Over Time?
  • Docscientist
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Understanding the Uncertainty Principle: Microscopic vs. Macroscopic Examples
  • Anithadhruvbud
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Why do we assume that the circulating pi electrons induce B
  • FTNMR
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Self-disproportionation of N-acetyl-dl-phenylalanine
  • Maniek
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How Does De Broglie's Theory Explain an Electron's Wave-Particle Duality?
  • Anithadhruvbud
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Why can't electron be stationary ?
  • Docscientist
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Photoelectric effect and free electrons
  • Docscientist
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Drawbacks of Rutherford's conclusions
  • Docscientist
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Why is the Law of Constant Composition Still Taught?
  • Docscientist
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Why do shells begin to hold more electrons?
  • Metals
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Ka vs Kb Weak Acids: Acetic Acid Low Ka, Lower Kb?
  • UMath1
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Why Do We Use AMU Instead of Grams in Mass Spectrometry?
  • Docscientist
  • · Replies 7 ·
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Which is More Acidic: Benzoic Acid or Formic Acid?
  • Cosmos
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Determining How Long My Gas Cylinder Will Last
  • cosmarchy
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Atomic Conservation in Ionized Hydrogen Gas
  • Mr. Cosmos
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Things that can influence an oxidisation degradation process?
  • rwooduk
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Separation Through chromatography
  • Deadevil
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Reversible endothermic reaction
  • HansVh
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Best way to draw out a molecule for forum question?
  • FTNMR
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Is Home-Based Diamond Coating of Magnetic Implants Possible?
  • eightbitbeast
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Radial Nodes of an Orbital: Probability of Electrons
  • Tahmeed
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Can Two Halides on a Phenyl Ring Be Replaced with Just One KCN Molecule?
  • Huej
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Detecting odors of toxic substances
  • Garlic
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Test for Magnesium: Identifying Vitamin Capsules
  • larry909
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How Can DSC Graphs Enhance Teaching Laboratory Experiences?
  • rmiller70015
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Analysis of Urine with Spectroscopy: Urea & Creatinine
  • Simon Iversen
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Making different concentrations of TiO2 using glycerin/H2O
  • Anne
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Asymmetric Carbon: Why Treat - Sign as Group?
  • gracy
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8