Menu

Navigation

More options

Style variation

Contact us

Chemistry Forum

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.

Filters

Could you make an opaque solid matter's electrons have the same....

May 9, 2016 · Replies 1 · May 9, 2016

Replies: 1

Views: 2K

How Can Electrons Move to Higher Shell Levels Without Light Absorption?

May 8, 2016 · Replies 1 · May 8, 2016

Replies: 1

Views: 2K

Oxidation of iron and galvanised iron in bleach

May 7, 2016 · Replies 5 · May 8, 2016

Replies: 5

Views: 4K

Why is 2L used as the distance in the derivation of 1/3nMc^2 = nRT?

May 7, 2016 · Replies 3 · May 7, 2016

Replies: 3

Views: 2K

Adding Nickel to Zinc Sulphate Solution

May 5, 2016 · Replies 2 · May 5, 2016

Replies: 2

Views: 2K

Balancing Reaction of Formic Acid and Ammonium Hydroxide

May 3, 2016 · Replies 3 · May 3, 2016

Replies: 3

Views: 8K

A Question about Chemical Equilibrium

Apr 29, 2016 · Replies 1 · May 2, 2016

Replies: 1

Views: 2K

Reactivity of Halogens: Why Decreases Down the Group?

Apr 27, 2016 · Replies 10 · May 2, 2016

Replies: 10

Views: 5K

Solubility of CS2: Temperature Effects

Apr 29, 2016 · Replies 6 · May 2, 2016

Replies: 6

Views: 4K

What are the properties of lithium gas?

Apr 29, 2016 · Replies 5 · May 2, 2016

Replies: 5

Views: 3K

Calculating Specific Gravity of Brine at High Pressure and Temperature

May 2, 2016 · Replies 1 · May 2, 2016

Replies: 1

Views: 7K

How Batteries Work: Anode, Cathode & Electrolyte Explained

Apr 29, 2016 · Replies 3 · Apr 29, 2016

Replies: 3

Views: 3K

End Amt =Start Amt *e^-0.0391 * t (in years) Half-life =?

Apr 29, 2016 · Replies 2 · Apr 29, 2016

Replies: 2

Views: 2K

Useful Tutorials for Organic Chemistry Software

Apr 28, 2016 · Replies 1 · Apr 28, 2016

Replies: 1

Views: 2K

Graphene: Questions from a Non-Chemist

Apr 23, 2016 · Replies 4 · Apr 28, 2016

Replies: 4

Views: 2K

Contradiction between the show Cosmos and what someone here told me?

Apr 22, 2016 · Replies 50 · Apr 27, 2016

2

Replies: 50

Views: 8K

Is it possible for heat to be a physical form?

Apr 24, 2016 · Replies 4 · Apr 26, 2016

Replies: 4

Views: 2K

Determining Adsorption of CO2 with Microporous Polymer

Apr 18, 2016 · Replies 2 · Apr 26, 2016

Replies: 2

Views: 2K

Cleaning My Car Glass that damaged from Phosphate plant

Apr 24, 2016 · Replies 5 · Apr 26, 2016

Replies: 5

Views: 2K

Doubt from second law of thermodynamics

Apr 26, 2016 · Replies 1 · Apr 26, 2016

Replies: 1

Views: 2K

How to Dissolve Solid Strontium for Use in Graphene Dispersions?

Apr 22, 2016 · Replies 3 · Apr 24, 2016

Replies: 3

Views: 2K

Can Potassium Fluoride Be Used for Electrolysis?

Jun 25, 2005 · Replies 2 · Apr 23, 2016

Replies: 2

Views: 7K

Glucose Heating w/ HI: Why Get N-Hexane? | Reaction Explanation

Apr 21, 2016 · Replies 2 · Apr 23, 2016

Replies: 2

Views: 2K

Avagadro Software and The Inversion Potential of Ammonia

Apr 20, 2016 · Replies 2 · Apr 22, 2016

Replies: 2

Views: 2K

Mixed urine with small amount of diluted household bleach

Apr 21, 2016 · Replies 1 · Apr 21, 2016

Replies: 1

Views: 7K

Could Steam and Coke Reactions Lead to Water Gas Formation?

Apr 20, 2016 · Replies 3 · Apr 21, 2016

Replies: 3

Views: 2K

Insights Interview with a Chem-Physicist: DrClaude - Comments

Apr 19, 2016 · Replies 5 · Apr 20, 2016

Replies: 5

Views: 2K

Sodium hypochlorate has formed a dark brown precipitate?

Apr 15, 2016 · Replies 8 · Apr 20, 2016

Replies: 8

Views: 3K

Oxidation of Aldehyde with Potassium Dichromate(VI)

Apr 18, 2016 · Replies 9 · Apr 20, 2016

Replies: 9

Views: 3K

Calculating the Specific Heat of a Solution with NaCl and H2O

Mar 2, 2016 · Replies 12 · Apr 19, 2016

Replies: 12

Views: 4K

How does diamagnetism originate?

Apr 18, 2016 · Replies 2 · Apr 19, 2016

Replies: 2

Views: 4K

Downfield isnt low field .... or is it?

Apr 16, 2016 · Replies 5 · Apr 18, 2016

Replies: 5

Views: 3K

Why do different colors of playdough smell and feel different?

Apr 15, 2016 · Replies 5 · Apr 17, 2016

Replies: 5

Views: 2K

Could a planet have liquid water without an atmosphere?

Apr 16, 2016 · Replies 5 · Apr 16, 2016

Replies: 5

Views: 4K

How to determine the movement of electrons between atoms

Apr 13, 2016 · Replies 6 · Apr 15, 2016

Replies: 6

Views: 2K

I am 14 years old and made a chemistry software

Apr 13, 2016 · Replies 5 · Apr 14, 2016

Replies: 5

Views: 2K

What home based solvent might dissolve unknown molecular particles?

Apr 9, 2016 · Replies 11 · Apr 14, 2016

Replies: 11

Views: 2K

Why do deshielded protons require more energy in NMR spectroscopy?

Apr 12, 2016 · Replies 5 · Apr 14, 2016

Replies: 5

Views: 2K

Water electrolysis with carbon cathode.

Apr 13, 2016 · Replies 2 · Apr 13, 2016

Replies: 2

Views: 2K

How to know what binding agent to use? (powder into pseudo solid form)

Mar 21, 2016 · Replies 1 · Apr 13, 2016

Replies: 1

Views: 3K

Gelatin hydrogels for rheometer

Apr 12, 2016 · Replies 2 · Apr 12, 2016

Replies: 2

Views: 1K

Where Can I Find Reliable Solubility Data for Various Mixtures and Temperatures?

Mar 9, 2016 · Replies 3 · Apr 12, 2016

Replies: 3

Views: 2K

How does an electron in a hydrogen atom utilize extra energy during excitation?

Apr 10, 2016 · Replies 11 · Apr 11, 2016

Replies: 11

Views: 4K

Digestion of Pb-alloy for ICP-OES analysis

Mar 25, 2016 · Replies 14 · Apr 8, 2016

Replies: 14

Views: 3K

Solving the Mystery of White Crusty Substance After H2O2 Use

Apr 7, 2016 · Replies 5 · Apr 8, 2016

Replies: 5

Views: 3K

Is there a practical way to make homemade 3% H2O2?

May 12, 2011 · Replies 15 · Apr 8, 2016

Replies: 15

Views: 17K

What is heat-transfer coefficient alpha

Apr 3, 2016 · Replies 12 · Apr 8, 2016

Replies: 12

Views: 7K

When is ΔH = ΔU in Thermodynamics?

Feb 9, 2016 · Replies 41 · Apr 8, 2016

2

Replies: 41

Views: 14K

How Can I Safely Utilize Freshly-Isolated Silicon?

Apr 5, 2016 · Replies 10 · Apr 6, 2016

Replies: 10

Views: 3K

Question about ionic compounds

Apr 4, 2016 · Replies 3 · Apr 5, 2016

Replies: 3

Views: 2K

Why is the pressure of fluid important for vapor pressure and cavitation?

Apr 4, 2016 · Replies 15 · Apr 5, 2016

Replies: 15

Views: 5K

Correlation between macronutirients and radionuclides

Apr 1, 2016 · Replies 6 · Apr 5, 2016

Replies: 6

Views: 2K

Electrolysis/fuel cell reversal question

Apr 3, 2016 · Replies 5 · Apr 5, 2016

Replies: 5

Views: 2K

What does this symbol mean in a chemical equation?

Apr 3, 2016 · Replies 3 · Apr 3, 2016

Replies: 3

Views: 6K

Plane of symmetry in alphabet N

Apr 1, 2016 · Replies 2 · Apr 1, 2016

Replies: 2

Views: 3K

Can someone reformulate an instant ice pack to be colder?

Apr 1, 2016 · Replies 2 · Apr 1, 2016

Replies: 2

Views: 2K

Oxygen vacancies in the structure?

Apr 1, 2016 · Replies 3 · Apr 1, 2016

Replies: 3

Views: 1K

Solid Rocket Fuel and Oxidant Agent

Mar 24, 2016 · Replies 17 · Mar 31, 2016

Replies: 17

Views: 4K

Is it possible for an atom to have a pure electrical charge?

Mar 29, 2016 · Replies 4 · Mar 30, 2016

Replies: 4

Views: 2K

How Do Volume Expansions Differ in Liquids and Gases Due to Temperature Change?

Mar 29, 2016 · Replies 1 · Mar 29, 2016

Replies: 1

Views: 2K

Understanding Quantum Numbers and Orbitals: Tips for Effective Learning

Mar 28, 2016 · Replies 14 · Mar 29, 2016

Replies: 14

Views: 6K

Are the properties of a crystal and its unit cell same?

Mar 29, 2016 · Replies 1 · Mar 29, 2016

Replies: 1

Views: 1K

Electronic configuration of transition elements

Mar 28, 2016 · Replies 7 · Mar 28, 2016

Replies: 7

Views: 2K

Eutectic alloy with Strontium & Lithium?

Mar 20, 2016 · Replies 3 · Mar 28, 2016

Replies: 3

Views: 2K

Lithium-6 Hydride verses Lithium-7 Hydride

Mar 27, 2016 · Replies 1 · Mar 27, 2016

Replies: 1

Views: 2K

Is Osmosis a Phenomenon of Thermodynamics?

Mar 24, 2016 · Replies 6 · Mar 27, 2016

Replies: 6

Views: 2K

Why Does Electron Energy Remain Constant Over Time?

Mar 25, 2016 · Replies 4 · Mar 25, 2016

Replies: 4

Views: 2K

Understanding the Uncertainty Principle: Microscopic vs. Macroscopic Examples

Mar 25, 2016 · Replies 4 · Mar 25, 2016

Replies: 4

Views: 2K

Why do we assume that the circulating pi electrons induce B

Mar 19, 2016 · Replies 10 · Mar 25, 2016

Replies: 10

Views: 2K

Self-disproportionation of N-acetyl-dl-phenylalanine

Mar 23, 2016 · Replies 1 · Mar 25, 2016

Replies: 1

Views: 1K

How Does De Broglie's Theory Explain an Electron's Wave-Particle Duality?

Mar 25, 2016 · Replies 1 · Mar 25, 2016

Replies: 1

Views: 1K

Why can't electron be stationary ?

Mar 25, 2016 · Replies 2 · Mar 25, 2016

Replies: 2

Views: 2K

Photoelectric effect and free electrons

Mar 24, 2016 · Replies 7 · Mar 25, 2016

Replies: 7

Views: 1K

Drawbacks of Rutherford's conclusions

Mar 24, 2016 · Replies 5 · Mar 24, 2016

Replies: 5

Views: 1K

Why is the Law of Constant Composition Still Taught?

Mar 23, 2016 · Replies 2 · Mar 24, 2016

Replies: 2

Views: 2K

Why do shells begin to hold more electrons?

Mar 19, 2016 · Replies 5 · Mar 24, 2016

Replies: 5

Views: 2K

Ka vs Kb Weak Acids: Acetic Acid Low Ka, Lower Kb?

Mar 23, 2016 · Replies 1 · Mar 23, 2016

Replies: 1

Views: 2K

Why Do We Use AMU Instead of Grams in Mass Spectrometry?

Mar 21, 2016 · Replies 7 · Mar 22, 2016

Replies: 7

Views: 2K

Which is More Acidic: Benzoic Acid or Formic Acid?

Mar 22, 2016 · Replies 4 · Mar 22, 2016

Replies: 4

Views: 2K

Determining How Long My Gas Cylinder Will Last

Mar 21, 2016 · Replies 2 · Mar 21, 2016

Replies: 2

Views: 3K

Atomic Conservation in Ionized Hydrogen Gas

Mar 18, 2016 · Replies 1 · Mar 21, 2016

Replies: 1

Views: 2K

Things that can influence an oxidisation degradation process?

Mar 16, 2016 · Replies 2 · Mar 21, 2016

Replies: 2

Views: 2K

Separation Through chromatography

Oct 13, 2014 · Replies 5 · Mar 21, 2016

Replies: 5

Views: 2K

Reversible endothermic reaction

Mar 20, 2016 · Replies 1 · Mar 20, 2016

Replies: 1

Views: 2K

Best way to draw out a molecule for forum question?

Mar 19, 2016 · Replies 3 · Mar 19, 2016

Replies: 3

Views: 2K

Is Home-Based Diamond Coating of Magnetic Implants Possible?

Mar 14, 2016 · Replies 2 · Mar 17, 2016

Replies: 2

Views: 2K

Radial Nodes of an Orbital: Probability of Electrons

Mar 16, 2016 · Replies 4 · Mar 17, 2016

Replies: 4

Views: 2K

Can Two Halides on a Phenyl Ring Be Replaced with Just One KCN Molecule?

Mar 17, 2016 · Replies 1 · Mar 17, 2016

Replies: 1

Views: 1K

Detecting odors of toxic substances

Mar 15, 2016 · Replies 4 · Mar 16, 2016

Replies: 4

Views: 2K

Test for Magnesium: Identifying Vitamin Capsules

Mar 15, 2016 · Replies 2 · Mar 15, 2016

Replies: 2

Views: 2K

How Can DSC Graphs Enhance Teaching Laboratory Experiences?

Mar 2, 2016 · Replies 4 · Mar 15, 2016

Replies: 4

Views: 2K

Analysis of Urine with Spectroscopy: Urea & Creatinine

Mar 14, 2016 · Replies 3 · Mar 15, 2016

Replies: 3

Views: 3K

Making different concentrations of TiO2 using glycerin/H2O

Mar 14, 2016 · Replies 2 · Mar 15, 2016

Replies: 2

Views: 2K

Asymmetric Carbon: Why Treat - Sign as Group?

Mar 15, 2016 · Replies 8 · Mar 15, 2016

Replies: 8

Views: 2K

What do the numbers in front of electrolyte mixtures mean?

Mar 14, 2016 · Replies 4 · Mar 15, 2016

Replies: 4

Views: 2K

Trying to turn water into ice relatively quickly

Mar 8, 2016 · Replies 12 · Mar 14, 2016

Replies: 12

Views: 3K

Difference between optically active and inactive compounds

Mar 12, 2016 · Replies 6 · Mar 14, 2016

Replies: 6

Views: 6K

Where Does Our Gasoline Come From?

Mar 14, 2016 · Replies 3 · Mar 14, 2016

Replies: 3

Views: 2K

Does Mixing Fluids A and B Create a Predictable Thermal Capacity?

Mar 13, 2016 · Replies 2 · Mar 13, 2016

Replies: 2

Views: 1K

Solids and Liquids in Kinetics and Equilibrium

Mar 13, 2016 · Replies 3 · Mar 13, 2016

Replies: 3

Views: 3K

Chemistry

Welcome to the Chemistry forum!

Chemistry is the scientific study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. It plays a central role in understanding the building blocks of the universe, encompassing the study of atoms, molecules, elements, and compounds.

Chemists investigate the interactions and forces between particles at the atomic and molecular levels, contributing to our understanding of various natural phenomena. The field is divided into branches such as organic chemistry, inorganic chemistry, physical chemistry, and biochemistry, each focusing on specific aspects of chemical systems.

Chemistry is not only a foundational science but also a driving force behind technological advancements, materials development, pharmaceuticals, and numerous industrial applications.

Top