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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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What is the purpose of an iodine value test on stearic acid raw material?

Oct 30, 2011 · Replies 1 · Oct 30, 2011

Replies: 1

Views: 8K

Viscosity of Polymers: Degree of Polymerisation & Molecular Weight

Oct 29, 2011 · Replies 1 · Oct 30, 2011

Replies: 1

Views: 4K

Writing Chemical Equations, Is It a Gas or Aqueous Solution?

Oct 29, 2011 · Replies 3 · Oct 29, 2011

Replies: 3

Views: 18K

Why is nitrogen basic while oxygen and flourine are not?

Oct 27, 2011 · Replies 7 · Oct 28, 2011

Replies: 7

Views: 16K

Nucleophiles vs Bases: Understanding Strong/Weak Reactions

Oct 27, 2011 · Replies 7 · Oct 28, 2011

Replies: 7

Views: 12K

Nomenclature of Organic Compounds: Significance of -#-yl and E/Z Isomerism

Oct 27, 2011 · Replies 1 · Oct 27, 2011

Replies: 1

Views: 4K

Which Acid is Best for Cleaning Rusty Iron ?

Oct 22, 2011 · Replies 4 · Oct 27, 2011

Replies: 4

Views: 4K

Large Lot of Chemistry equipment left by my brother

Oct 26, 2011 · Replies 3 · Oct 27, 2011

Replies: 3

Views: 2K

How Do Reactor Types and Sizes Vary for Different Chemical Reactions?

Oct 26, 2011 · Replies 3 · Oct 27, 2011

Replies: 3

Views: 4K

Etymology of 'Base': Understand Why It's Called So

Oct 25, 2011 · Replies 3 · Oct 27, 2011

Replies: 3

Views: 6K

Need help using Ion Electron Method in acidic conditions.

Oct 26, 2011 · Replies 1 · Oct 27, 2011

Replies: 1

Views: 2K

Delocalised pi electrons in benzene

Sep 14, 2010 · Replies 9 · Oct 26, 2011

Replies: 9

Views: 10K

What Triggers Ionic Bonding in Atoms?

Oct 26, 2011 · Replies 1 · Oct 26, 2011

Replies: 1

Views: 7K

Infinite number of energy levels available to an atom

Oct 26, 2011 · Replies 2 · Oct 26, 2011

Replies: 2

Views: 4K

Kinetic Molecular Theory of Gases

Oct 25, 2011 · Replies 1 · Oct 26, 2011

Replies: 1

Views: 3K

Catalytic Converters - Three Questions

Oct 22, 2011 · Replies 6 · Oct 26, 2011

Replies: 6

Views: 4K

Anyone else obsessed with pyrotechnics and pyromania?

Oct 25, 2011 · Replies 1 · Oct 26, 2011

Replies: 1

Views: 2K

What Determines the Changeover from Liquid to Solid or Steam in Water?

Oct 24, 2011 · Replies 3 · Oct 24, 2011

Replies: 3

Views: 3K

What Determines the Colour of Compounds?

Oct 23, 2011 · Replies 3 · Oct 24, 2011

Replies: 3

Views: 11K

Chemical equations are becoming my greatest nightmare

Oct 22, 2011 · Replies 2 · Oct 24, 2011

Replies: 2

Views: 2K

Why Should n Be 1 When Calculating I3 for Lithium Using the Rydberg Formula?

Oct 23, 2011 · Replies 1 · Oct 23, 2011

Replies: 1

Views: 5K

What do these molecular term symbols mean?

Oct 22, 2011 · Replies 1 · Oct 23, 2011

Replies: 1

Views: 2K

Good Chemistry Book for Self-Study: Tips & Recommendations

Jan 18, 2008 · Replies 5 · Oct 22, 2011

Replies: 5

Views: 31K

Understanding Enantiomers of 3-Bromo-1-Butanol

Oct 22, 2011 · Replies 4 · Oct 22, 2011

Replies: 4

Views: 4K

I don't understand what causes redox reactions to occur.

Oct 21, 2011 · Replies 1 · Oct 22, 2011

Replies: 1

Views: 7K

Making Cobalt Blue by Sintering Alumina & Cobalt monoxide ?

Oct 8, 2011 · Replies 2 · Oct 21, 2011

Replies: 2

Views: 4K

Cheap liquid with Sp.Gravity betn. 2.8 to 6.5

Oct 15, 2011 · Replies 2 · Oct 21, 2011

Replies: 2

Views: 3K

Water H2O convert to Hydrogen peroxide H2O2

Dec 14, 2006 · Replies 32 · Oct 21, 2011

2

Replies: 32

Views: 104K

Acid-Base Reaction Temperature Conundrum

Oct 19, 2011 · Replies 2 · Oct 20, 2011

Replies: 2

Views: 4K

Why is Trifluoroacetic Acid more acidic than Trichloroacetic Acid?

Feb 25, 2011 · Replies 8 · Oct 20, 2011

Replies: 8

Views: 16K

Unusual observations any sensible answers?

Oct 18, 2011 · Replies 4 · Oct 19, 2011

Replies: 4

Views: 2K

How to Identify a Metal Using Work Function and Wavelength?

Oct 18, 2011 · Replies 2 · Oct 19, 2011

Replies: 2

Views: 4K

Understanding Equations for Chemistry Exam Prep

Oct 19, 2011 · Replies 5 · Oct 19, 2011

Replies: 5

Views: 3K

Heavy Elements Accumulate in Earth: Why?

Oct 18, 2011 · Replies 1 · Oct 19, 2011

Replies: 1

Views: 2K

Why Does One Mole of Any Gas Occupy Same Volume?

Oct 18, 2011 · Replies 2 · Oct 19, 2011

Replies: 2

Views: 3K

Comparing Cl 35 and Cl 37 Chemical Reactions

Sep 23, 2011 · Replies 4 · Oct 18, 2011

Replies: 4

Views: 3K

Hi guys. Imagine how dumb I feel for never having heard of this

Oct 15, 2011 · Replies 3 · Oct 18, 2011

Replies: 3

Views: 3K

Where Can I Find Detailed Information on Conway Microdiffusion Analysis?

Sep 12, 2008 · Replies 3 · Oct 18, 2011

Replies: 3

Views: 13K

How to Determine the Products of Chemical Reactions

Oct 18, 2011 · Replies 1 · Oct 18, 2011

Replies: 1

Views: 3K

Wave function , robability density , probability contradiction?

Oct 12, 2011 · Replies 7 · Oct 17, 2011

Replies: 7

Views: 5K

Atomic Structure: Uncovering the Nucleon of Chlorine 35.5

Oct 16, 2011 · Replies 10 · Oct 17, 2011

Replies: 10

Views: 3K

Molecular Ionization: Is Rydberg Formula Possible?

Oct 16, 2011 · Replies 2 · Oct 17, 2011

Replies: 2

Views: 2K

Anionic ligands in coordination complexes

Oct 15, 2011 · Replies 1 · Oct 17, 2011

Replies: 1

Views: 9K

What kind of math is required for upper level chemistry classes?

Oct 16, 2011 · Replies 2 · Oct 16, 2011

Replies: 2

Views: 5K

At what temperatures do the omega-3 fatty acids oxidize?

Oct 15, 2011 · Replies 1 · Oct 15, 2011

Replies: 1

Views: 4K

Ksp, saturated solutions and precipitation (Ionic Equilibria)

Oct 15, 2011 · Replies 1 · Oct 15, 2011

Replies: 1

Views: 5K

A test for hexan-1-ol and methylpentane-1-ol

Oct 13, 2011 · Replies 3 · Oct 15, 2011

Replies: 3

Views: 4K

Oxidizing Suspended Sulfur to Sulfate in Solution - Tips

Oct 8, 2011 · Replies 1 · Oct 14, 2011

Replies: 1

Views: 3K

Determining When Molecular Compounds Ionize When Dissolved Into Water

Oct 14, 2011 · Replies 1 · Oct 14, 2011

Replies: 1

Views: 10K

Solving SN1 Reaction: t-Butyl Bromide & HOH

Oct 13, 2011 · Replies 1 · Oct 13, 2011

Replies: 1

Views: 3K

Uncovering the Mystery of How Element Electron Numbers are Determined

Oct 10, 2011 · Replies 6 · Oct 12, 2011

Replies: 6

Views: 3K

How do atomic orbitals combine to form molecular orbitals?

Oct 10, 2011 · Replies 7 · Oct 12, 2011

Replies: 7

Views: 7K

Why Can't I Get the Same Answer for the Boltzmann Equation Problem?

Oct 12, 2011 · Replies 1 · Oct 12, 2011

Replies: 1

Views: 6K

Ionic Bond Strength: LiF vs K20

Oct 3, 2011 · Replies 6 · Oct 11, 2011

Replies: 6

Views: 8K

What are the products of a redox reaction between hydrogen peroxide and water?

Oct 10, 2011 · Replies 1 · Oct 10, 2011

Replies: 1

Views: 3K

Bunsen Coefficient Solubility Calculation Units?

Oct 10, 2011 · Replies 11 · Oct 10, 2011

Replies: 11

Views: 11K

Understanding Selectivity of Reducing Agents in Organic Chemistry

Oct 9, 2011 · Replies 5 · Oct 10, 2011

Replies: 5

Views: 8K

What is a Double Displacement Reaction?

Oct 10, 2011 · Replies 1 · Oct 10, 2011

Replies: 1

Views: 3K

Find hybridisation of Carbon compounds

Oct 7, 2011 · Replies 20 · Oct 9, 2011

Replies: 20

Views: 14K

Toxic chemical compounds used in products that you are aware of

Oct 4, 2011 · Replies 12 · Oct 9, 2011

Replies: 12

Views: 6K

Two fairly simple, but unrelated queries.

Oct 8, 2011 · Replies 1 · Oct 9, 2011

Replies: 1

Views: 2K

Oxygen + Photons: Uni- or Bi-Molecular Process?

Sep 26, 2011 · Replies 3 · Oct 8, 2011

Replies: 3

Views: 3K

What is the Relationship Between Atomic Orbitals in Polyelectronic Atoms?

Sep 10, 2011 · Replies 10 · Oct 8, 2011

Replies: 10

Views: 8K

What is the Chemistry equivalent of Particle Physics?

Sep 27, 2011 · Replies 12 · Oct 7, 2011

Replies: 12

Views: 12K

Change in coffee taste under certain conditions - chemical explanation?

Oct 6, 2011 · Replies 2 · Oct 6, 2011

Replies: 2

Views: 3K

Equilibrium constant contradiction

Oct 6, 2011 · Replies 1 · Oct 6, 2011

Replies: 1

Views: 2K

How do electrons revolve around in molecule bonded by covalent bonds?

Sep 26, 2011 · Replies 5 · Oct 6, 2011

Replies: 5

Views: 8K

What is a Subshell in Chemistry?

Oct 5, 2011 · Replies 1 · Oct 5, 2011

Replies: 1

Views: 3K

How can I make hydrochloric acid at home?

Oct 5, 2011 · Replies 1 · Oct 5, 2011

Replies: 1

Views: 7K

Hydrogen: A Metal Element? Unique Properties Explained

Oct 5, 2011 · Replies 4 · Oct 5, 2011

Replies: 4

Views: 3K

Understanding Polyatomic Ions: Sulfite & Sulfate

Oct 4, 2011 · Replies 1 · Oct 4, 2011

Replies: 1

Views: 3K

Organic ChemistryGeneral Chemistry Tutorials & Organic Compounds

Dec 9, 2005 · Replies 13 · Oct 4, 2011

Replies: 13

Views: 22K

What is the Name of B(C6F5)4 Compound?

Oct 4, 2011 · Replies 1 · Oct 4, 2011

Replies: 1

Views: 2K

Irreducible Representation and IR stretching bands

Oct 3, 2011 · Replies 1 · Oct 4, 2011

Replies: 1

Views: 4K

Find the Best Virtual Chem Lab for General Chemistry Labs - Try It Now!"

Nov 29, 2008 · Replies 5 · Oct 3, 2011

Replies: 5

Views: 17K

Can you have a triple replacement reaction?

Oct 2, 2011 · Replies 3 · Oct 3, 2011

Replies: 3

Views: 17K

Chemical Bonding: Does CN Neutral Exist?

Oct 1, 2011 · Replies 2 · Oct 2, 2011

Replies: 2

Views: 4K

Chemistry Lab Help: Get Answers Now

Oct 2, 2011 · Replies 2 · Oct 2, 2011

Replies: 2

Views: 2K

Choosing a partner in chemistry courses at a university or college

Aug 26, 2011 · Replies 4 · Oct 1, 2011

Replies: 4

Views: 4K

Dilute HF/Nitric Neutralization MYSTERY

Sep 28, 2011 · Replies 4 · Oct 1, 2011

Replies: 4

Views: 6K

Balancing Equations: Oxygen in Compounds

Sep 26, 2011 · Replies 8 · Sep 30, 2011

Replies: 8

Views: 4K

Is it possible for HCO3 to have a -3 charge?

Sep 26, 2011 · Replies 4 · Sep 30, 2011

Replies: 4

Views: 5K

Calculating percent abundance for 3 isotopes

Sep 29, 2011 · Replies 2 · Sep 30, 2011

Replies: 2

Views: 43K

Atoms: How Many Protons, Neutrons & Electrons?

Jul 1, 2011 · Replies 7 · Sep 30, 2011

Replies: 7

Views: 5K

Possible Errors Made Regarding Polarity and Intermolecular Bonds

Sep 30, 2011 · Replies 1 · Sep 30, 2011

Replies: 1

Views: 5K

Is there a difference between ionization energy and ionization potential?

Sep 28, 2011 · Replies 7 · Sep 30, 2011

Replies: 7

Views: 26K

Why is \frac{dN_i}{N}\neq dX_i when using the mole fraction concept?

Sep 29, 2011 · Replies 3 · Sep 29, 2011

Replies: 3

Views: 3K

How do you calculate the temp at which a H2O molecule splits into single atoms?

Sep 28, 2011 · Replies 8 · Sep 29, 2011

Replies: 8

Views: 4K

Is ml/gal the Same as gal/ml When Dealing with 1 Liter in Both Ratios?

Sep 28, 2011 · Replies 3 · Sep 29, 2011

Replies: 3

Views: 4K

Sodium Hydroxide: Purpose & Substitute

Sep 22, 2011 · Replies 9 · Sep 26, 2011

Replies: 9

Views: 6K

Tobacco Extractions: A Gardener's Guide

Sep 24, 2011 · Replies 10 · Sep 26, 2011

Replies: 10

Views: 4K

Researching Autocatlytic Reactions: A Starting Point for Un-named Projects

Sep 19, 2011 · Replies 30 · Sep 26, 2011

2

Replies: 30

Views: 6K

Polar compounds that are insoluble in water

Sep 24, 2011 · Replies 1 · Sep 24, 2011

Replies: 1

Views: 6K

Does Water Break Down/Rot?(Chemistry Ignorant)

Sep 24, 2011 · Replies 1 · Sep 24, 2011

Replies: 1

Views: 5K

If Cadmium is Toxic then how does it get in jewelry so often?

Sep 23, 2011 · Replies 1 · Sep 24, 2011

Replies: 1

Views: 3K

Orbital hybridization and lone electrons

Sep 22, 2011 · Replies 2 · Sep 24, 2011

Replies: 2

Views: 4K

Electrowinning Zinc: Understanding the Process and Sulfuric Acid

Sep 23, 2011 · Replies 1 · Sep 23, 2011

Replies: 1

Views: 4K

How do ions conduct electricity in water?

Aug 19, 2011 · Replies 8 · Sep 23, 2011

Replies: 8

Views: 6K

Question about Experimentally Measuring Mass

Sep 23, 2011 · Replies 1 · Sep 23, 2011

Replies: 1

Views: 3K

How Does Baking Soda Absorb Odors?

Sep 21, 2011 · Replies 2 · Sep 21, 2011

Replies: 2

Views: 4K

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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