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

Discover the Magic of Soap Making: Experiment with Different Solutions at Home

May 20, 2013 · Replies 5 · May 28, 2013

Replies: 5

Views: 3K

Why are hydroxides of earth alkaline metals are so insoluble in water?

May 26, 2013 · Replies 1 · May 27, 2013

Replies: 1

Views: 3K

Is boiling just high vapor pressure?

May 25, 2013 · Replies 6 · May 27, 2013

Replies: 6

Views: 2K

What chemicals will dissolve biological matter fastest?

May 25, 2013 · Replies 8 · May 26, 2013

Replies: 8

Views: 5K

Boric acid + Isopropyl alcohol = ?

May 26, 2013 · Replies 1 · May 26, 2013

Replies: 1

Views: 7K

Dehydration in organic molecules

May 25, 2013 · Replies 1 · May 25, 2013

Replies: 1

Views: 2K

Determining the equivalent weight of molecules.

May 21, 2013 · Replies 6 · May 25, 2013

Replies: 6

Views: 4K

Latent Heat of CAS No. 4719-04-4

May 24, 2013 · Replies 3 · May 24, 2013

Replies: 3

Views: 3K

Electronegativity vs electrochemical series

May 17, 2013 · Replies 1 · May 22, 2013

Replies: 1

Views: 4K

How Can the Equivalent Weight of Sulfur be 32 in S2Cl2?

May 22, 2013 · Replies 1 · May 22, 2013

Replies: 1

Views: 8K

Poll

Poll related to handedness between physics, mathematics and chemistry people

Aug 12, 2011 · Replies 43 · May 22, 2013

2

Replies: 43

Views: 7K

How Much Gas Can Water Really Hold?

May 21, 2013 · Replies 1 · May 22, 2013

Replies: 1

Views: 2K

Cis or Trans Isomer: John's Question Answered

May 22, 2013 · Replies 1 · May 22, 2013

Replies: 1

Views: 2K

Is Lead Iodide Precipitate Stable Over Time?

May 21, 2013 · Replies 3 · May 21, 2013

Replies: 3

Views: 3K

Question on Le Chatelier's principle

May 8, 2013 · Replies 9 · May 21, 2013

Replies: 9

Views: 4K

Microbial contaminants in water distillation

May 20, 2013 · Replies 2 · May 20, 2013

Replies: 2

Views: 2K

Nucleophilicity in substitution reactions

May 20, 2013 · Replies 2 · May 20, 2013

Replies: 2

Views: 2K

Why is the mixing of ethanol and water exothermic?

May 14, 2013 · Replies 9 · May 20, 2013

Replies: 9

Views: 27K

How Do I Do High Temperature Steaming?

May 18, 2013 · Replies 1 · May 18, 2013

Replies: 1

Views: 2K

Why does [HA]=[A-] halfway thru a titration?

May 14, 2013 · Replies 3 · May 14, 2013

Replies: 3

Views: 11K

Safety- poly resin , MEKp my boss might be a butthead

May 14, 2013 · Replies 2 · May 14, 2013

Replies: 2

Views: 2K

How is saturation pressure different than vapor pressure?

May 13, 2013 · Replies 1 · May 14, 2013

Replies: 1

Views: 2K

Why doesn't a weak acid/base act as a buffer on its own?

May 12, 2013 · Replies 4 · May 13, 2013

Replies: 4

Views: 8K

Why when water is heated it's volume first decreases and then

May 12, 2013 · Replies 2 · May 13, 2013

Replies: 2

Views: 17K

Understanding Gas Laws: Explaining the Relationship Between Pressure and Volume

May 9, 2013 · Replies 5 · May 12, 2013

Replies: 5

Views: 3K

NMR - does rf cause transitions or simply rotate the magn vector?

May 8, 2013 · Replies 4 · May 9, 2013

Replies: 4

Views: 3K

Help with understanding electron sharing in

May 8, 2013 · Replies 2 · May 9, 2013

Replies: 2

Views: 2K

What are the consequences of melting plastics from ocean garbage patches?

May 6, 2013 · Replies 3 · May 9, 2013

Replies: 3

Views: 2K

How can I perform electrolysis on CO2?

May 8, 2013 · Replies 1 · May 9, 2013

Replies: 1

Views: 2K

Wetness and why materials change shape

May 6, 2013 · Replies 1 · May 8, 2013

Replies: 1

Views: 2K

Favored products (really a conceptual) question

May 7, 2013 · Replies 6 · May 8, 2013

Replies: 6

Views: 2K

What is the Correct Crystal Lattice Structure?

May 5, 2013 · Replies 5 · May 7, 2013

Replies: 5

Views: 3K

Acids & Alkali Metals: What's the Difference?

Apr 25, 2013 · Replies 13 · May 5, 2013

Replies: 13

Views: 6K

Test for Ammonia: NaOH & Litmus/HCl

May 4, 2013 · Replies 4 · May 4, 2013

Replies: 4

Views: 3K

How to use standard reduction potential table

Apr 28, 2013 · Replies 13 · May 4, 2013

Replies: 13

Views: 10K

Relation between gibbs free energy and equilibrium constant

Apr 28, 2013 · Replies 4 · May 4, 2013

Replies: 4

Views: 5K

Commercial Scale Desalination via Electrolysis

May 3, 2013 · Replies 3 · May 4, 2013

Replies: 3

Views: 10K

Difference between types of explosives (contact vs spark/flame)?

Apr 23, 2013 · Replies 5 · May 2, 2013

Replies: 5

Views: 3K

What is the adiabatic flame temperature of methane and air combustion?

Apr 30, 2013 · Replies 2 · May 2, 2013

Replies: 2

Views: 3K

Why Does the Methyl Anion Carry a -1 Charge with Two Unbonded Electrons?

May 1, 2013 · Replies 1 · May 1, 2013

Replies: 1

Views: 2K

Methylene Blue's equivalent weight

May 1, 2013 · Replies 5 · May 1, 2013

Replies: 5

Views: 8K

Add Br2/HV to (S)-1,2-Dibromobutane: Optically Inactive Product

Apr 30, 2013 · Replies 1 · May 1, 2013

Replies: 1

Views: 2K

Potentials in Pourbaix Diagrams

Apr 30, 2013 · Replies 5 · May 1, 2013

Replies: 5

Views: 3K

How can I find the denaturing/breaking temperature of a molecule?

Apr 21, 2013 · Replies 3 · Apr 29, 2013

Replies: 3

Views: 3K

Does Urine Absorb Atoms from the Air and Create a Vacuum in a Closed Container?

Apr 27, 2013 · Replies 2 · Apr 28, 2013

Replies: 2

Views: 3K

Comparing Greenhouse Gas Properties: N2O, CO2, and CH4

Apr 27, 2013 · Replies 4 · Apr 27, 2013

Replies: 4

Views: 3K

Chemistry/Economics type project

Apr 24, 2013 · Replies 3 · Apr 27, 2013

Replies: 3

Views: 3K

Equivalence Point: Finding Vtitrant of Titrant Solution

Apr 22, 2013 · Replies 10 · Apr 26, 2013

Replies: 10

Views: 4K

Fun with Surface Tension in Space

Apr 22, 2013 · Replies 1 · Apr 26, 2013

Replies: 1

Views: 2K

Dewar Flask: Clinging Noise Inside?

Apr 15, 2013 · Replies 5 · Apr 24, 2013

Replies: 5

Views: 2K

Are Ionized Water Spray Bottles Really Effective for Cleaning?

Apr 24, 2013 · Replies 3 · Apr 24, 2013

Replies: 3

Views: 6K

Interview Help: Characterization & Metal Structure Behaviour

Apr 23, 2013 · Replies 2 · Apr 23, 2013

Replies: 2

Views: 3K

Liquid that changes color back and forth.

Apr 14, 2013 · Replies 5 · Apr 21, 2013

Replies: 5

Views: 8K

What State Would Oxygen Be at 280 K and 50 Bar?

Apr 20, 2013 · Replies 3 · Apr 21, 2013

Replies: 3

Views: 2K

Bond energy and activation energy

Apr 6, 2012 · Replies 9 · Apr 21, 2013

Replies: 9

Views: 12K

Intermolecular and intramolecular hydrogen bonding

Apr 15, 2013 · Replies 5 · Apr 20, 2013

Replies: 5

Views: 4K

Texas Fertilizer Plant Explosion ?

Apr 18, 2013 · Replies 2 · Apr 20, 2013

Replies: 2

Views: 2K

Proof of maximum no. of electrons in a shell

Apr 16, 2013 · Replies 6 · Apr 20, 2013

Replies: 6

Views: 11K

Simple experiment to measure atmospheric Oxygen

Apr 4, 2013 · Replies 4 · Apr 19, 2013

Replies: 4

Views: 4K

Difference between combustible substance and a supporter of combustion

Apr 1, 2013 · Replies 5 · Apr 19, 2013

Replies: 5

Views: 5K

How does bleach work as a decontaminant?

Apr 17, 2013 · Replies 4 · Apr 18, 2013

Replies: 4

Views: 2K

What does aqueous workup mean?

Apr 17, 2013 · Replies 1 · Apr 18, 2013

Replies: 1

Views: 10K

Question regarding atomic weight percentage, and concentration

Apr 17, 2013 · Replies 3 · Apr 18, 2013

Replies: 3

Views: 2K

Can Sodium Hydroxide Effectively Capture and Release CO2 from the Atmosphere?

Mar 15, 2013 · Replies 2 · Apr 17, 2013

Replies: 2

Views: 4K

Dissolving iron in HCl, unknown product

Apr 3, 2013 · Replies 3 · Apr 17, 2013

Replies: 3

Views: 5K

The positioning of the thermometer

Apr 3, 2013 · Replies 15 · Apr 17, 2013

Replies: 15

Views: 4K

Silver nitrate stains: what doesn't work

Apr 14, 2013 · Replies 2 · Apr 17, 2013

Replies: 2

Views: 4K

Why do different elements have different charges?

Apr 16, 2013 · Replies 5 · Apr 17, 2013

Replies: 5

Views: 6K

Melting Points as Function of P

Apr 16, 2013 · Replies 1 · Apr 17, 2013

Replies: 1

Views: 2K

Anhydrous sodium sulfate put in a solution

Apr 16, 2013 · Replies 2 · Apr 16, 2013

Replies: 2

Views: 2K

Looking for a better understanding of chemical reactions

Apr 15, 2013 · Replies 1 · Apr 16, 2013

Replies: 1

Views: 2K

Why is acetic acid a weak acid?

Apr 13, 2013 · Replies 6 · Apr 14, 2013

Replies: 6

Views: 8K

Principal Quantum Number of the Excited Oxygen atom.

Apr 13, 2013 · Replies 3 · Apr 14, 2013

Replies: 3

Views: 13K

Why Do Welded Joints Rust Faster?

Apr 8, 2013 · Replies 3 · Apr 14, 2013

Replies: 3

Views: 16K

Calculating Net Dipole Moment for Water - What Am I Doing Wrong?

Apr 12, 2013 · Replies 4 · Apr 13, 2013

Replies: 4

Views: 4K

Prediction of volume of solid-liquid solution

Apr 12, 2013 · Replies 7 · Apr 13, 2013

Replies: 7

Views: 5K

How can I easily remember the complex structures of biomolecules?

Feb 18, 2011 · Replies 5 · Apr 13, 2013

Replies: 5

Views: 5K

When looking at a Chemical, what does this mean 99.9 atom % D

Jan 31, 2013 · Replies 10 · Apr 12, 2013

Replies: 10

Views: 4K

Clarification on Liquefaction of Hydrogen Gas

Apr 11, 2013 · Replies 2 · Apr 12, 2013

Replies: 2

Views: 3K

What Is the Correct Symbol for Gibbs' Energy Under Standard Conditions?

Mar 29, 2013 · Replies 6 · Apr 12, 2013

Replies: 6

Views: 3K

What are some helpful resources for understanding inorganic chemistry concepts?

Apr 10, 2013 · Replies 1 · Apr 12, 2013

Replies: 1

Views: 2K

Help building a database of organic compounds used in pharmaceuticals

Apr 8, 2013 · Replies 2 · Apr 11, 2013

Replies: 2

Views: 2K

A question regarding combustion

Apr 9, 2013 · Replies 4 · Apr 11, 2013

Replies: 4

Views: 2K

Reactants have a higher enthelpy

Apr 8, 2013 · Replies 1 · Apr 10, 2013

Replies: 1

Views: 2K

(molecular spectroscopy)what is the meaning of the symbol

Apr 4, 2013 · Replies 3 · Apr 10, 2013

Replies: 3

Views: 2K

Is the following molecule capable of making hydrogen bonds

Apr 2, 2013 · Replies 5 · Apr 9, 2013

Replies: 5

Views: 10K

Understanding atomic mass units (amu) and weight of particles

Apr 8, 2013 · Replies 2 · Apr 9, 2013

Replies: 2

Views: 3K

Barium Borate- beta BBO crystals (what am I looking at?)

Apr 6, 2013 · Replies 3 · Apr 8, 2013

Replies: 3

Views: 2K

Solving H2O Equilibria: Can 5 Variables be Balanced?

Apr 5, 2013 · Replies 8 · Apr 7, 2013

Replies: 8

Views: 3K

What are toy gun caps made of?(those red circls that make a lot sound)

Mar 24, 2013 · Replies 7 · Apr 6, 2013

Replies: 7

Views: 21K

Difference between bi and bis as prefixes of a molecule?

Apr 4, 2013 · Replies 1 · Apr 4, 2013

Replies: 1

Views: 15K

Fastest oxidizing meterials? that are cheap to deoxidizing?

Apr 2, 2013 · Replies 2 · Apr 3, 2013

Replies: 2

Views: 2K

Sandmeyer isatin synthesis - tarry material?

Apr 2, 2013 · Replies 1 · Apr 3, 2013

Replies: 1

Views: 3K

Emergency Flare: Burning Long and Bright - Learn How to Make It!

Mar 31, 2013 · Replies 3 · Apr 3, 2013

Replies: 3

Views: 2K

Hydrate dissolving in it's own waters

Apr 3, 2013 · Replies 1 · Apr 3, 2013

Replies: 1

Views: 2K

80% ethanol mixed with 20% diesel

Mar 30, 2013 · Replies 3 · Apr 2, 2013

Replies: 3

Views: 2K

Can anyone recommend any chemistry forums?

Mar 19, 2013 · Replies 15 · Apr 1, 2013

Replies: 15

Views: 4K

Tertiary Alcohols: Can't be Oxidized & Breaking C-C Bonds

Mar 29, 2013 · Replies 3 · Mar 30, 2013

Replies: 3

Views: 3K

Absorption with UV/VIS spectrometer

Mar 25, 2013 · Replies 10 · Mar 30, 2013

Replies: 10

Views: 12K

Anode erosion of a moisture probe

Mar 29, 2013 · Replies 2 · Mar 29, 2013

Replies: 2

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