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.
Threads
What is it about the EM waves that get absorbed by electrons
- Nicholas Ham
- · Replies 8 ·
How to assign symmetry to water molecule using D4h symmetry?
- fangrz
- · Replies 1 ·
Can Electrons' Energy Levels Change in eV Through Various Means?
- Nicholas Ham
- · Replies 1 ·
How do you tell homogeneous from heterogeneous mixtures?
- leighflix
- · Replies 5 ·
Why doesn't N3- have a dipole moment arrow from the central atom?
- Sho Kano
- · Replies 2 ·
Michelson Interferometer IR Lab Question
- BrainHurts
- · Replies 3 ·
Can opaque solids be made transparent by raising electron energy levels?
- Nicholas Ham
- · Replies 1 ·
How Can Electrons Move to Higher Shell Levels Without Light Absorption?
- Nicholas Ham
- · Replies 1 ·
Oxidation of iron and galvanised iron in bleach
- Hannichan
- · Replies 5 ·
Why is 2L used as the distance in the derivation of 1/3nMc^2 = nRT?
- sgstudent
- · Replies 3 ·
Adding Nickel to Zinc Sulphate Solution
- Physics_Kid
- · Replies 2 ·
Balancing Reaction of Formic Acid and Ammonium Hydroxide
- PCSL
- · Replies 3 ·
Equilibrium tables for the N2O4/NO2 reaction: moles and pressure
- vijayramakrishnan
- · Replies 1 ·
Why does halogen reactivity with hydrogen decrease down the group?
- Faiq
- · Replies 10 ·
Solubility of CS2: Temperature Effects
- Karan Punjabi
- · Replies 6 ·
What are the properties of lithium gas?
- ARC123
- · Replies 5 ·
Calculating Specific Gravity of Brine at High Pressure and Temperature
- Sorade
- · Replies 1 ·
What are anodes and cathodes made of and how do they store energy?
- ARC123
- · Replies 3 ·
End Amt =Start Amt *e^-0.0391 * t (in years) Half-life =?
- wolf1728
- · Replies 2 ·
Useful Tutorials for Organic Chemistry Software
- JaneJ
- · Replies 1 ·
Graphene: Questions from a Non-Chemist
- tim9000
- · Replies 4 ·
Contradiction between the show Cosmos and what someone here told me?
- bluemoonKY
- · Replies 50 ·
Is it possible for heat to be a physical form?
- ARC123
- · Replies 4 ·
Determining Adsorption of CO2 with Microporous Polymer
- Sancho Panza
- · Replies 2 ·
Cleaning My Car Glass that damaged from Phosphate plant
- ahmadnahla
- · Replies 5 ·
What does ΔS represent in the second law of thermodynamics?
- vijayramakrishnan
- · Replies 1 ·
How to Dissolve Solid Strontium for Use in Graphene Dispersions?
- Singularityguy
- · Replies 3 ·
Can Potassium Fluoride Be Used for Electrolysis?
- redwraith94
- · Replies 2 ·
Why does glucose heated with HI produce n-hexane?
- erisedk
- · Replies 2 ·
Avagadro Software and The Inversion Potential of Ammonia
- kq6up
- · Replies 2 ·
Mixed urine with small amount of diluted household bleach
- xmasfriend
- · Replies 1 ·
Could Steam and Coke Reactions Lead to Water Gas Formation?
- chemguy777
- · Replies 3 ·
Insights Interview with a Chem-Physicist: DrClaude - Comments
- Greg Bernhardt
- · Replies 5 ·
Sodium hypochlorate has formed a dark brown precipitate?
- ChromeBit
- · Replies 8 ·
Oxidation of Aldehyde with Potassium Dichromate(VI)
- DK168
- · Replies 9 ·
Calculating the Specific Heat of a Solution with NaCl and H2O
- joaquinjbs
- · Replies 12 ·
How does diamagnetism originate?
- Robert100
- · Replies 2 ·
Why is deshielded shift called downfield if it requires higher field strength?
- Miffymycat
- · Replies 5 ·
Why do different colors of playdough smell and feel different?
- KarminValso1724
- · Replies 5 ·
Could a planet have liquid water without an atmosphere?
- bluemoonKY
- · Replies 5 ·
How to determine the movement of electrons between atoms
- gabede
- · Replies 6 ·
I am 14 years old and made a chemistry software
- QuantumEngine
- · Replies 5 ·
What home based solvent might dissolve unknown molecular particles?
- VikkiM
- · Replies 11 ·
Why do deshielded protons require more energy in NMR spectroscopy?
- davgonz90
- · Replies 5 ·
Water electrolysis with carbon cathode.
- johnbbahm
- · Replies 2 ·
How to know what binding agent to use? (powder into pseudo solid form)
- NotASmurf
- · Replies 1 ·
Gelatin hydrogels for rheometer
- marilli
- · Replies 2 ·
Where Can I Find Reliable Solubility Data for Various Mixtures and Temperatures?
- Serena
- · Replies 3 ·
How does an electron in a hydrogen atom utilize extra energy during excitation?
- UchihaClan13
- · Replies 11 ·
Digestion of Pb-alloy for ICP-OES analysis
- mpotocni
- · Replies 14 ·
White crust forming on surfaces after concentrated H2O2 dries
- Theoden
- · Replies 5 ·
Is there a practical way to make homemade 3% H2O2?
- M1031
- · Replies 15 ·
What is heat-transfer coefficient alpha
- joaquinjbs
- · Replies 12 ·
When is ΔH = ΔU in Thermodynamics?
- abhishek4
- · Replies 41 ·
How Can I Safely Utilize Freshly-Isolated Silicon?
- Theoden
- · Replies 10 ·
Does melting an ionic compound change its state or chemical composition?
- Lim Y K
- · Replies 3 ·
Why is the pressure of fluid important for vapor pressure and cavitation?
- Lisciu
- · Replies 15 ·
Correlation between macronutirients and radionuclides
- hariprasath
- · Replies 6 ·
Electrolysis/fuel cell reversal question
- twiz_
- · Replies 5 ·
What does this symbol mean in a chemical equation?
- thebosonbreaker
- · Replies 3 ·
Plane of symmetry in alphabet N
- Elena14
- · Replies 2 ·
Can someone reformulate an instant ice pack to be colder?
- Natureknows
- · Replies 2 ·
Oxygen vacancies in the structure?
- rwooduk
- · Replies 3 ·
Solid Rocket Fuel and Oxidant Agent
- fog37
- · Replies 17 ·
Is it possible for an atom to have a pure electrical charge?
- ARC123
- · Replies 4 ·
How Do Volume Expansions Differ in Liquids and Gases Due to Temperature Change?
- master_333
- · Replies 1 ·
Orbitals, subshells and nodes: what's the difference?
- Docscientist
- · Replies 14 ·
Are the properties of a crystal and its unit cell same?
- Elena14
- · Replies 1 ·
Electronic configuration of transition elements
- Docscientist
- · Replies 7 ·
Eutectic alloy of strontium and lithium at room temperature
- Chris Wallin
- · Replies 3 ·
Lithium-6 Hydride verses Lithium-7 Hydride
- Doc B
- · Replies 1 ·
Is Osmosis a Phenomenon of Thermodynamics?
- larsa
- · Replies 6 ·
Why Does Electron Energy Remain Constant Over Time?
- Docscientist
- · Replies 4 ·
Examples of the uncertainty principle at microscopic and macroscopic scales
- Anithadhruvbud
- · Replies 4 ·
Why do we assume that the circulating pi electrons induce B
- FTNMR
- · Replies 10 ·
Self-disproportionation of N-acetyl-dl-phenylalanine
- Maniek
- · Replies 1 ·
How Does De Broglie's Theory Explain an Electron's Wave-Particle Duality?
- Anithadhruvbud
- · Replies 1 ·
Why can't electron be stationary ?
- Docscientist
- · Replies 2 ·
Photoelectric effect and free electrons
- Docscientist
- · Replies 7 ·
Drawbacks of Rutherford's conclusions
- Docscientist
- · Replies 5 ·
Why is the Law of Constant Composition Still Taught?
- Docscientist
- · Replies 2 ·
Why do shells begin to hold more electrons?
- Metals
- · Replies 5 ·
Ka vs Kb Weak Acids: Acetic Acid Low Ka, Lower Kb?
- UMath1
- · Replies 1 ·
Why Do We Use AMU Instead of Grams in Mass Spectrometry?
- Docscientist
- · Replies 7 ·
Which is More Acidic: Benzoic Acid or Formic Acid?
- Cosmos
- · Replies 4 ·
Determining How Long My Gas Cylinder Will Last
- cosmarchy
- · Replies 2 ·
Atomic Conservation in Ionized Hydrogen Gas
- Mr. Cosmos
- · Replies 1 ·
Things that can influence an oxidisation degradation process?
- rwooduk
- · Replies 2 ·
Separation Through chromatography
- Deadevil
- · Replies 5 ·
Reversible endothermic reaction
- HansVh
- · Replies 1 ·
Best way to draw out a molecule for forum question?
- FTNMR
- · Replies 3 ·
Is Home-Based Diamond Coating of Magnetic Implants Possible?
- eightbitbeast
- · Replies 2 ·
Radial Nodes of an Orbital: Probability of Electrons
- Tahmeed
- · Replies 4 ·
Can Two Halides on a Phenyl Ring Be Replaced with Just One KCN Molecule?
- Huej
- · Replies 1 ·
Detecting odors of toxic substances
- Garlic
- · Replies 4 ·
Test for Magnesium: Identifying Vitamin Capsules
- larry909
- · Replies 2 ·
How Can DSC Graphs Enhance Teaching Laboratory Experiences?
- rmiller70015
- · Replies 4 ·
Detecting urea and creatinine in urine with spectroscopy
- Simon Iversen
- · Replies 3 ·
Making different concentrations of TiO2 using glycerin/H2O
- Anne
- · Replies 2 ·
Asymmetric Carbon: Why Treat - Sign as Group?
- gracy
- · Replies 8 ·