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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.

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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: 13K

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: 1K

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: 2K

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

Interesting compounds with alcohol functional group

Mar 9, 2016 · Replies 6 · Mar 12, 2016

Replies: 6

Views: 2K

Find Hexane, MEK, EA Densities at 40° | Database

Mar 11, 2016 · Replies 3 · Mar 11, 2016

Replies: 3

Views: 2K

How to Calculate the Length of Octanthiols in All-Trans Configuration?

Mar 8, 2016 · Replies 3 · Mar 10, 2016

Replies: 3

Views: 1K

Identify unknown compound/element

Feb 17, 2016 · Replies 6 · Mar 9, 2016

Replies: 6

Views: 3K

Finding a cheap way to disinfect water for social project

Mar 4, 2016 · Replies 14 · Mar 8, 2016

Replies: 14

Views: 2K

Dalton's law for ideal gases at different temperatures

Mar 7, 2016 · Replies 17 · Mar 8, 2016

Replies: 17

Views: 3K

Acetic Acid + Ammonium Hydroxide Vapours

Mar 8, 2016 · Replies 3 · Mar 8, 2016

Replies: 3

Views: 3K

Crystal Field Splitting of Actinides

Mar 3, 2016 · Replies 2 · Mar 7, 2016

Replies: 2

Views: 3K

Are bonds formed in higher energy levels weaker?

Mar 4, 2016 · Replies 4 · Mar 7, 2016

Replies: 4

Views: 2K

Synthesis of DF (Deuterium FLuoride)

Mar 4, 2016 · Replies 2 · Mar 4, 2016

Replies: 2

Views: 2K

How to say whether an element is more electronegative?

Feb 22, 2016 · Replies 6 · Mar 3, 2016

Replies: 6

Views: 2K

New research or uses of diamond?

Mar 2, 2016 · Replies 3 · Mar 3, 2016

Replies: 3

Views: 2K

Why nonpolar solvent "picks up" water?

Mar 2, 2016 · Replies 2 · Mar 2, 2016

Replies: 2

Views: 2K

Hyperconjugation and electromeric effect

Mar 1, 2016 · Replies 6 · Mar 2, 2016

Replies: 6

Views: 3K

How Can I Convert Mol Fraction to Percentage?

Mar 2, 2016 · Replies 2 · Mar 2, 2016

Replies: 2

Views: 2K

Why is diamond stronger than metals?

Mar 2, 2016 · Replies 7 · Mar 2, 2016

Replies: 7

Views: 5K

Evaporation Rates of Water in Different Colored Buckets

Mar 1, 2016 · Replies 1 · Mar 1, 2016

Replies: 1

Views: 2K

Conductive Silicon Carbide [Carborundum]

Feb 19, 2016 · Replies 1 · Mar 1, 2016

Replies: 1

Views: 2K

Synthesizing Ethylene: C2H6O2 + 2Na → 2(CH2)

Feb 26, 2016 · Replies 13 · Mar 1, 2016

Replies: 13

Views: 3K

Atomic radius and Ionization Energy Trends?

Feb 23, 2016 · Replies 6 · Mar 1, 2016

Replies: 6

Views: 3K

Why do transition metals have multiple oxidation states?

Feb 27, 2016 · Replies 10 · Mar 1, 2016

Replies: 10

Views: 5K

How Does Temperature Affect Reaction Rate and Activation Energy Calculation?

Feb 24, 2016 · Replies 4 · Feb 26, 2016

Replies: 4

Views: 2K

What causes paint to change colour over time?

Feb 24, 2016 · Replies 7 · Feb 26, 2016

Replies: 7

Views: 2K

Entropy change in a reversible isothermal process

Feb 25, 2016 · Replies 2 · Feb 25, 2016

Replies: 2

Views: 2K

How do I safely react NaOH with HF to yield H20 and NaF?

Feb 23, 2016 · Replies 14 · Feb 25, 2016

Replies: 14

Views: 5K

How can I recreate this pressure boiling experiment

Feb 24, 2016 · Replies 10 · Feb 25, 2016

Replies: 10

Views: 2K

What is the force responsible for bonding between atoms in a covalent molecule?

Feb 21, 2016 · Replies 16 · Feb 23, 2016

Replies: 16

Views: 3K

Nickel(III) reduction in electrolysis?

Feb 17, 2016 · Replies 3 · Feb 22, 2016

Replies: 3

Views: 3K

Cost-effective (and green) monitoring of plant water

Feb 21, 2016 · Replies 5 · Feb 22, 2016

Replies: 5

Views: 2K

How was Mendeleev's table suitable for accomdating noble gas

Feb 22, 2016 · Replies 4 · Feb 22, 2016

Replies: 4

Views: 2K

How do I learn to make isomers for a compound?

Feb 22, 2016 · Replies 3 · Feb 22, 2016

Replies: 3

Views: 2K

How can water be boiled without using heat?

Feb 15, 2016 · Replies 21 · Feb 21, 2016

Replies: 21

Views: 6K

How has radiocarbon in fossil fuels survived for millions of years?

Feb 17, 2016 · Replies 4 · Feb 21, 2016

Replies: 4

Views: 2K

Can I turn hydrogen gas into electricity without purchasing a fuel cell?

Feb 18, 2016 · Replies 6 · Feb 20, 2016

Replies: 6

Views: 2K

Will Boiling Water Create Humidity?

Jan 17, 2015 · Replies 10 · Feb 16, 2016

Replies: 10

Views: 31K

Learn About Using the Liter in Chemistry Courses

Jan 23, 2016 · Replies 47 · Feb 16, 2016

2

Replies: 47

Views: 6K

Kinetic vs thermodynamics control

Feb 10, 2016 · Replies 8 · Feb 13, 2016

Replies: 8

Views: 2K

Which group has greater steric hindrance?

Feb 10, 2016 · Replies 2 · Feb 11, 2016

Replies: 2

Views: 2K

Understanding the Role of Calibration in Vapour Pressure Determination

Feb 10, 2016 · Replies 1 · Feb 11, 2016

Replies: 1

Views: 2K

Which compound will be extracted in organic layer?

Feb 10, 2016 · Replies 3 · Feb 10, 2016

Replies: 3

Views: 5K

Electroplating with mixed metal electrodes?

Feb 10, 2016 · Replies 1 · Feb 10, 2016

Replies: 1

Views: 2K

PH Tester for Solids: Buy, Price & Info

Feb 10, 2016 · Replies 3 · Feb 10, 2016

Replies: 3

Views: 1K

Does B2 Have a Sigma Molecular Orbital?

Feb 8, 2016 · Replies 3 · Feb 10, 2016

Replies: 3

Views: 4K

Measuring Alkyl Chain Cross-Sectional Area for Gibbs Adsorption

Feb 6, 2016 · Replies 1 · Feb 9, 2016

Replies: 1

Views: 2K

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.

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