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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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Atomic Radius: Determining Size through Electron Configuration

Nov 14, 2005 · Replies 2 · Nov 14, 2005

Replies: 2

Views: 8K

News US forces use of Chemical weapons in Fallujah

Nov 8, 2005 · Replies 153 · Nov 11, 2005

6

Replies: 153

Views: 16K

Why would white phosphorus burn flesh bu not clothes?

Nov 9, 2005 · Replies 7 · Nov 11, 2005

Replies: 7

Views: 13K

Calculate the molarity of the sodium carbonate solution

Nov 10, 2005 · Replies 3 · Nov 10, 2005

Replies: 3

Views: 2K

Where can I find the density of pure L-Proline?

Nov 10, 2005 · Replies 1 · Nov 10, 2005

Replies: 1

Views: 6K

The Science Behind Chocolate and Expiration Dates

Nov 8, 2005 · Replies 93 · Nov 9, 2005

4

Replies: 93

Views: 7K

Orbital Diagrams and Electron Configuration Notations

Nov 8, 2005 · Replies 6 · Nov 9, 2005

Replies: 6

Views: 34K

New Scientist's Take on the "Slacktivism" Trend

Oct 30, 2005 · Replies 3 · Nov 8, 2005

Replies: 3

Views: 5K

Can You Safely "Drink" Liquid Nitrogen?

Nov 6, 2005 · Replies 4 · Nov 8, 2005

Replies: 4

Views: 3K

Optical Isomers: Why Do L-Types Cost More?

Nov 5, 2005 · Replies 2 · Nov 6, 2005

Replies: 2

Views: 5K

What Happens to a Magnetic Sphere in an Electrolyte with Current?

Oct 24, 2005 · Replies 5 · Nov 6, 2005

Replies: 5

Views: 3K

What Are the Specs and Results of the New Single Molecule Nanocar?

Oct 25, 2005 · Replies 2 · Nov 5, 2005

Replies: 2

Views: 3K

Extract caffine from coffee beans / tea leaves

Nov 1, 2005 · Replies 4 · Nov 4, 2005

Replies: 4

Views: 7K

Does Higher Concentration Increase Solvent Polarity and Affect SN1 Reactions?

Nov 3, 2005 · Replies 3 · Nov 4, 2005

Replies: 3

Views: 4K

Identifying Unidentified Yellow Chemical in Tin Chloride

Nov 2, 2005 · Replies 4 · Nov 4, 2005

Replies: 4

Views: 3K

How Can I Improve the Bitter Taste in Caffeine Pills?

Nov 2, 2005 · Replies 12 · Nov 2, 2005

Replies: 12

Views: 15K

Learn IUPAC Nomenclature for Organic Compounds

Oct 31, 2005 · Replies 2 · Nov 1, 2005

Replies: 2

Views: 4K

Can Magnesium Sulfate Ionize Effectively?

Oct 31, 2005 · Replies 2 · Oct 31, 2005

Replies: 2

Views: 4K

Check Lewis Structures: Free Online Resources & Tips

Oct 30, 2005 · Replies 2 · Oct 31, 2005

Replies: 2

Views: 10K

Can You Predict the Line Spectrum of a Mixture of Two Elements?

Oct 29, 2005 · Replies 4 · Oct 30, 2005

Replies: 4

Views: 4K

How Does a Single Molecule Walk on Two Legs?

Oct 27, 2005 · Replies 14 · Oct 29, 2005

Replies: 14

Views: 3K

Blue Lake Test: Tips to Get it Right in Chem Lab

Oct 26, 2005 · Replies 1 · Oct 26, 2005

Replies: 1

Views: 11K

The Mystery of Copper Ion Flame Test Colors

Oct 23, 2005 · Replies 5 · Oct 25, 2005

Replies: 5

Views: 17K

Enthalpy: Pressure Change & Problem Solving

Oct 25, 2005 · Replies 2 · Oct 25, 2005

Replies: 2

Views: 8K

Problem with round bottomed flask

Oct 21, 2005 · Replies 3 · Oct 25, 2005

Replies: 3

Views: 3K

Finding Graphite Plates to Build a Fuel Cell

Oct 19, 2005 · Replies 4 · Oct 22, 2005

Replies: 4

Views: 10K

Help with stability of full valence shell

Oct 20, 2005 · Replies 4 · Oct 22, 2005

Replies: 4

Views: 5K

Extracting Magnesium and Sodium in the Home

Oct 19, 2005 · Replies 8 · Oct 20, 2005

Replies: 8

Views: 4K

Rust Filtration Q: Best Way to Remove Rust?

Oct 17, 2005 · Replies 7 · Oct 18, 2005

Replies: 7

Views: 5K

How can I contact a University for funding for a project.

Oct 17, 2005 · Replies 2 · Oct 18, 2005

Replies: 2

Views: 3K

GC Elution Order of Alcohols: Boiling Point vs Polarity

Oct 18, 2005 · Replies 2 · Oct 18, 2005

Replies: 2

Views: 28K

Collecting Hydrogen during electrolysis.

Oct 17, 2005 · Replies 2 · Oct 17, 2005

Replies: 2

Views: 8K

Where to Start with Electrochemistry Research for PEM Fuel Cells?

Oct 7, 2005 · Replies 9 · Oct 17, 2005

Replies: 9

Views: 4K

Markownikoff's Rule: Why Does it Happen?

Oct 16, 2005 · Replies 2 · Oct 17, 2005

Replies: 2

Views: 9K

Why is stirring a hot solution a demonstration of the 2nd law of thermodynamics?

Oct 13, 2005 · Replies 4 · Oct 17, 2005

Replies: 4

Views: 6K

What is the perfect kool-aid mix for the best taste?

Oct 16, 2005 · Replies 10 · Oct 16, 2005

Replies: 10

Views: 3K

Distilled Water and Polyatomic Ion

Oct 15, 2005 · Replies 1 · Oct 15, 2005

Replies: 1

Views: 4K

Separating substances under lower atmos press

Oct 11, 2005 · Replies 9 · Oct 15, 2005

Replies: 9

Views: 7K

Metathesis: The Dance of Carbon Atoms - 2005 Nobel Prize in Chemistry

Oct 5, 2005 · Replies 4 · Oct 11, 2005

Replies: 4

Views: 4K

Find a General Chemistry Book Online in PDF Format

Sep 24, 2005 · Replies 7 · Oct 10, 2005

Replies: 7

Views: 10K

Non-Ground State Atom: 1s2 2s2 2p5 3s2 3p5 - Possible?

Oct 5, 2005 · Replies 6 · Oct 5, 2005

Replies: 6

Views: 5K

How to Determine Correct Percentages for Diluting Potash in Electrolysis Device?

Oct 5, 2005 · Replies 3 · Oct 5, 2005

Replies: 3

Views: 4K

Changing taste of wine with a magnet?

Oct 4, 2005 · Replies 3 · Oct 5, 2005

Replies: 3

Views: 3K

Is instrumental analysis the worst chemistry class?

Oct 3, 2005 · Replies 12 · Oct 4, 2005

Replies: 12

Views: 8K

First and Second order phase tarnsitions

Sep 30, 2005 · Replies 1 · Oct 4, 2005

Replies: 1

Views: 2K

Types of Charges in Chemistry: Explained

Oct 2, 2005 · Replies 8 · Oct 4, 2005

Replies: 8

Views: 15K

Cation Solubility: Relationship with Element Position?

Sep 29, 2005 · Replies 3 · Oct 3, 2005

Replies: 3

Views: 12K

Gibbs Phase Rule: Will Chemical Potential Differ?

Sep 30, 2005 · Replies 3 · Oct 3, 2005

Replies: 3

Views: 5K

How to measure an emission spectrum?

Oct 1, 2005 · Replies 2 · Oct 1, 2005

Replies: 2

Views: 7K

A distillation procedure, product safe to drink?

Oct 1, 2005 · Replies 2 · Oct 1, 2005

Replies: 2

Views: 6K

Why is there no reaction when hydrochloric acid is added to lead and tin?

Sep 28, 2005 · Replies 2 · Sep 28, 2005

Replies: 2

Views: 6K

Isolate Malonitrile:Extr w/ Ether, 3x100mL & 1x300mL

Sep 26, 2005 · Replies 4 · Sep 28, 2005

Replies: 4

Views: 15K

Critical Density and Vander Waal's Equation

Sep 27, 2005 · Replies 3 · Sep 27, 2005

Replies: 3

Views: 13K

How Does the Electron Dot Diagram for CN Look?

Sep 26, 2005 · Replies 2 · Sep 26, 2005

Replies: 2

Views: 8K

Raw beef liver and hydrogen peroxide?

Sep 26, 2005 · Replies 1 · Sep 26, 2005

Replies: 1

Views: 2K

Milliken Oil Drop Experiment. .

Sep 26, 2005 · Replies 1 · Sep 26, 2005

Replies: 1

Views: 5K

Acid Strength of 1-Fluoroethanol & 1-Chloroethanol

Sep 26, 2005 · Replies 2 · Sep 26, 2005

Replies: 2

Views: 5K

Neutralization (Acid-Base) Reaction

Sep 26, 2005 · Replies 1 · Sep 26, 2005

Replies: 1

Views: 11K

Does Zinc React with Acetic and Phosphoric Acid?

Sep 24, 2005 · Replies 6 · Sep 26, 2005

Replies: 6

Views: 24K

Understanding Acid Strength: Comparing Methanol and Methanamine

Sep 26, 2005 · Replies 1 · Sep 26, 2005

Replies: 1

Views: 12K

What are some creative ideas for a chemistry-themed t-shirt?

Sep 25, 2005 · Replies 5 · Sep 26, 2005

Replies: 5

Views: 9K

What Volume of 0.0512 M Ca(OH)2 is Needed to React with 0.2 g of HNO2?

Sep 22, 2005 · Replies 5 · Sep 26, 2005

Replies: 5

Views: 3K

Electron Configuration principles

Sep 25, 2005 · Replies 1 · Sep 25, 2005

Replies: 1

Views: 10K

Relationship between molarity & concentration?

Sep 25, 2005 · Replies 3 · Sep 25, 2005

Replies: 3

Views: 33K

How Do You Add Equations in This Crazy Lab?

Sep 24, 2005 · Replies 4 · Sep 25, 2005

Replies: 4

Views: 7K

Water's boiling point and table salt

Sep 25, 2005 · Replies 2 · Sep 25, 2005

Replies: 2

Views: 21K

Oleic Acid: Chemical Formula and Uses

Sep 25, 2005 · Replies 1 · Sep 25, 2005

Replies: 1

Views: 2K

Calculating Heat of Reaction: NaOH + HCl

Sep 24, 2005 · Replies 2 · Sep 25, 2005

Replies: 2

Views: 3K

Beer-Lambert Law: Calculating Light Absorption in Solutions

Sep 22, 2005 · Replies 6 · Sep 25, 2005

Replies: 6

Views: 11K

Mg + Cu(NO3)2 Reaction: Correct Equation?

Sep 23, 2005 · Replies 2 · Sep 24, 2005

Replies: 2

Views: 4K

Why Do Electrons Closer to Nucleus Have Less Energy?

Sep 23, 2005 · Replies 1 · Sep 24, 2005

Replies: 1

Views: 2K

Current Data for the world records most (efficient) Catalyst reaction

Sep 22, 2005 · Replies 1 · Sep 23, 2005

Replies: 1

Views: 3K

Mass Ratios and Mutiple Proportions

Sep 22, 2005 · Replies 1 · Sep 22, 2005

Replies: 1

Views: 5K

Grading freshman lab reports=hilarious

Sep 21, 2005 · Replies 33 · Sep 22, 2005

2

Replies: 33

Views: 8K

The Point of Chemistry: Examining its Redundancy

May 16, 2005 · Replies 29 · Sep 22, 2005

Replies: 29

Views: 14K

Which Descriptions Represent the Law of Multiple Proportions in Atoms X and Y?

Sep 20, 2005 · Replies 3 · Sep 21, 2005

Replies: 3

Views: 3K

Understanding Spectroscopy: Answers to Common Questions | Lab Experiments"

Sep 20, 2005 · Replies 4 · Sep 21, 2005

Replies: 4

Views: 4K

Cyclohexene and toluene + sulfuric acid

Sep 20, 2005 · Replies 1 · Sep 21, 2005

Replies: 1

Views: 21K

Toluene + Bromine Mix: Reaction Test Results

Sep 20, 2005 · Replies 1 · Sep 21, 2005

Replies: 1

Views: 33K

Energy per Volume Crated by Best Chem. Reaction

Sep 19, 2005 · Replies 1 · Sep 21, 2005

Replies: 1

Views: 3K

What are some common challenges faced in chemistry problem solving?

Sep 20, 2005 · Replies 3 · Sep 21, 2005

Replies: 3

Views: 3K

Dipole Dipole and Lewis Dot structes

Sep 20, 2005 · Replies 1 · Sep 21, 2005

Replies: 1

Views: 11K

Chemical formula and thoretical/percent yield.

Sep 18, 2005 · Replies 4 · Sep 20, 2005

Replies: 4

Views: 13K

Proving inflection points - Titration

Sep 20, 2005 · Replies 3 · Sep 20, 2005

Replies: 3

Views: 8K

Impossible to centrifuge salt out of water?

Sep 16, 2005 · Replies 1 · Sep 20, 2005

Replies: 1

Views: 8K

Free Molecular Drawing Programs

Sep 5, 2005 · Replies 3 · Sep 19, 2005

Replies: 3

Views: 4K

How do I balance net ionic equations for ionic compound reactions?

Sep 17, 2005 · Replies 5 · Sep 19, 2005

Replies: 5

Views: 11K

The Chemistry Society's Unique Mocktail Challenge!

Sep 19, 2005 · Replies 3 · Sep 19, 2005

Replies: 3

Views: 4K

Struggling in Organic Chem? Any Recommended Study Guides?

Sep 18, 2005 · Replies 1 · Sep 18, 2005

Replies: 1

Views: 3K

How can I increase the concentration of H2SO4 using electrolysis?

Jan 31, 2005 · Replies 11 · Sep 18, 2005

Replies: 11

Views: 7K

Finding the Right Corrosion-Resistant & Pressure-Resistant Container

Sep 16, 2005 · Replies 10 · Sep 18, 2005

Replies: 10

Views: 13K

Calculating pKa of X's Second Ionizable Group

Sep 17, 2005 · Replies 5 · Sep 18, 2005

Replies: 5

Views: 45K

How to Prepare Notes on Corrosion, EMF Series, and Fossil Fuels?

Sep 17, 2005 · Replies 3 · Sep 18, 2005

Replies: 3

Views: 14K

What is the Correct Calculation for the Dissociation of Glycine with 5M KOH?

Sep 16, 2005 · Replies 3 · Sep 17, 2005

Replies: 3

Views: 11K

Is It Correct to Name Isopropyl as 1-Methylethyl in IUPAC Nomenclature?

Sep 17, 2005 · Replies 1 · Sep 17, 2005

Replies: 1

Views: 4K

IB HL Chemistry Lab Suggestions

Sep 16, 2005 · Replies 1 · Sep 16, 2005

Replies: 1

Views: 15K

Iron, Sulfur, and Hydrochloric Acid

Sep 13, 2005 · Replies 5 · Sep 16, 2005

Replies: 5

Views: 28K

Test Drinking Water for Ammonia Content

Sep 11, 2005 · Replies 10 · Sep 16, 2005

Replies: 10

Views: 7K

What is the History and Purpose of Cordite Invention?

Apr 20, 2005 · Replies 9 · Sep 16, 2005

Replies: 9

Views: 8K

Why is hot wax thrown into cold water a dangerous combination?

Jul 31, 2005 · Replies 8 · Sep 16, 2005

Replies: 8

Views: 36K

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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