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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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Understanding Organic Functional Groups and Their Impact on pH

May 22, 2005 · Replies 2 · May 27, 2005

Replies: 2

Views: 3K

Neutralising Acid with NaOH - Tips for Accurate Measurement

May 26, 2005 · Replies 4 · May 26, 2005

Replies: 4

Views: 3K

How to Solve These Chemistry Exam Questions?

May 25, 2005 · Replies 1 · May 25, 2005

Replies: 1

Views: 2K

How feasible is a plastic explosive that outperforms C4 by 50 times?

Feb 22, 2005 · Replies 6 · May 24, 2005

Replies: 6

Views: 7K

Why does vanadium have maximum observed oxidation state of +5

May 24, 2005 · Replies 2 · May 24, 2005

Replies: 2

Views: 3K

Ionic Form of KI + H2O Reaction

May 18, 2005 · Replies 15 · May 24, 2005

Replies: 15

Views: 4K

Any computational chemists in the house?

May 22, 2005 · Replies 7 · May 23, 2005

Replies: 7

Views: 3K

Reaction between iron(II) sulphate, sulphuric acid

May 17, 2005 · Replies 43 · May 23, 2005

2

Replies: 43

Views: 21K

What Happens When Gases Mix or Ice is Added to Supercooled Water?

May 21, 2005 · Replies 6 · May 22, 2005

Replies: 6

Views: 2K

Does anyone know what color azo-dye

May 21, 2005 · Replies 1 · May 22, 2005

Replies: 1

Views: 5K

Understanding Chemical Cells: Questions & Answers

May 19, 2005 · Replies 3 · May 20, 2005

Replies: 3

Views: 2K

What Molecules in Air Hit Dust Particles?

May 19, 2005 · Replies 1 · May 19, 2005

Replies: 1

Views: 2K

Solving Hard Chemistry Equations

May 18, 2005 · Replies 1 · May 19, 2005

Replies: 1

Views: 7K

How Do You Determine Oxidation Numbers?

May 19, 2005 · Replies 1 · May 19, 2005

Replies: 1

Views: 3K

What Are Acyclic Isomers and Why Are They Important in Organic Chemistry?

May 18, 2005 · Replies 1 · May 18, 2005

Replies: 1

Views: 10K

Atomic Numbers, Valence and More

May 17, 2005 · Replies 3 · May 18, 2005

Replies: 3

Views: 2K

Separating Isomers: Efficient Method for Chemists?

May 17, 2005 · Replies 3 · May 18, 2005

Replies: 3

Views: 7K

A2 OCR Planning Help: Determine Chlorine Concentration by Back Titration

May 17, 2005 · Replies 2 · May 17, 2005

Replies: 2

Views: 3K

Chemical components in insecticides

May 12, 2005 · Replies 2 · May 17, 2005

Replies: 2

Views: 6K

Can a Chemical Remove Highlighter Marks?

Apr 25, 2005 · Replies 2 · May 17, 2005

Replies: 2

Views: 3K

How Do You Calculate the pH of a Sodium Ethanoate Solution?

May 17, 2005 · Replies 2 · May 17, 2005

Replies: 2

Views: 17K

How do I remove copper from water (be realistic)

May 16, 2005 · Replies 5 · May 17, 2005

Replies: 5

Views: 32K

Will a long tube act like a fractionating column?

May 5, 2005 · Replies 8 · May 16, 2005

Replies: 8

Views: 4K

Calculating the Heat of Combustion for C2H6 Using Hess's Law

May 15, 2005 · Replies 5 · May 16, 2005

Replies: 5

Views: 13K

Infinite Energy With Fuel Cells?

May 14, 2005 · Replies 3 · May 16, 2005

Replies: 3

Views: 3K

Thermodynamically favored reaction

May 14, 2005 · Replies 6 · May 16, 2005

Replies: 6

Views: 16K

Two Quick Questions: Edible Liquids & Freezing Helium

May 9, 2005 · Replies 7 · May 16, 2005

Replies: 7

Views: 25K

Comparing the Properties of CsF and NaF: Melting Point and Solubility

May 15, 2005 · Replies 3 · May 15, 2005

Replies: 3

Views: 11K

If 6g of pure carbon is completely burned

May 15, 2005 · Replies 3 · May 15, 2005

Replies: 3

Views: 3K

Chemistry Question: 2s Orbital & 3px Orbital | Evidence of Octet Stability

May 6, 2005 · Replies 6 · May 15, 2005

Replies: 6

Views: 3K

Making Snow with Non-Water Chemicals: A Guide

May 14, 2005 · Replies 3 · May 15, 2005

Replies: 3

Views: 3K

Can Vinegar Turn into Methanol in Sunlight?

May 12, 2005 · Replies 13 · May 15, 2005

Replies: 13

Views: 11K

Why is the flow behaviour or viscosity important in the case of polymer?

Mar 31, 2005 · Replies 3 · May 14, 2005

Replies: 3

Views: 3K

Detecting volcanic ash or meteor.

May 14, 2005 · Replies 8 · May 14, 2005

Replies: 8

Views: 3K

Does pure gold oxidize(I truly need a long-time proffesional chemist)

May 11, 2005 · Replies 3 · May 14, 2005

Replies: 3

Views: 21K

The Bohr model of the H atom for anyone who needs it

Apr 17, 2005 · Replies 5 · May 14, 2005

Replies: 5

Views: 6K

Help can anyone answer my question

May 13, 2005 · Replies 2 · May 13, 2005

Replies: 2

Views: 3K

Questions from Exam Grade 11 Just Check

May 12, 2005 · Replies 1 · May 13, 2005

Replies: 1

Views: 5K

Diamond has a tetrahdral shape stucture

May 12, 2005 · Replies 1 · May 13, 2005

Replies: 1

Views: 3K

Any suggestions for inorganic chemistry problem books?

May 12, 2005 · Replies 1 · May 12, 2005

Replies: 1

Views: 4K

Dissolving Rubber/Plastic/Wire Coatings - Advice Needed

May 11, 2005 · Replies 2 · May 12, 2005

Replies: 2

Views: 2K

Acceptable GRE Score (Chemistry)

May 10, 2005 · Replies 3 · May 11, 2005

Replies: 3

Views: 12K

Question on the rxn of Alcohol and Carboxylic acids.

May 10, 2005 · Replies 2 · May 11, 2005

Replies: 2

Views: 4K

How Much Iron is in a 250ml Glass of Milo?

May 9, 2005 · Replies 6 · May 11, 2005

Replies: 6

Views: 8K

First Person to Receive PhD in Chemistry

May 8, 2005 · Replies 5 · May 11, 2005

Replies: 5

Views: 4K

Sn1 vs Sn2 Reactions: Which is Favored?

May 10, 2005 · Replies 2 · May 10, 2005

Replies: 2

Views: 22K

How a alkyne will react with a ketone

May 10, 2005 · Replies 2 · May 10, 2005

Replies: 2

Views: 2K

Determine the activation energy for the reverse reaction

May 9, 2005 · Replies 1 · May 10, 2005

Replies: 1

Views: 11K

Understanding Alkenes & Alkynes: Bromine Water Test

May 9, 2005 · Replies 3 · May 10, 2005

Replies: 3

Views: 2K

Henry's Law Constants: Finding K of O2 in EtOH & Glycerol

May 9, 2005 · Replies 1 · May 9, 2005

Replies: 1

Views: 6K

Mystery Mineral in Tabletop Fountain

May 8, 2005 · Replies 1 · May 8, 2005

Replies: 1

Views: 3K

How Does Adding Water Affect the Color Change in CaCl2 . 6H2O + HCl Solution?

May 7, 2005 · Replies 4 · May 8, 2005

Replies: 4

Views: 9K

Potassium Chlorate and Sugar ignitor

May 4, 2005 · Replies 3 · May 8, 2005

Replies: 3

Views: 7K

What gives silicon its unique grey painted glass appearance?

May 7, 2005 · Replies 1 · May 8, 2005

Replies: 1

Views: 6K

Exploring Molecular Structure of Silicon & Carbon Dioxide

May 5, 2005 · Replies 12 · May 7, 2005

Replies: 12

Views: 21K

How was the electron first weighed?

May 7, 2005 · Replies 1 · May 7, 2005

Replies: 1

Views: 2K

Why won't C4 explode when heated but a shockwave can set it off?

May 7, 2005 · Replies 1 · May 7, 2005

Replies: 1

Views: 2K

Chemistry Joke: Deciphering the Molecule H I J K L M N O

May 7, 2005 · Replies 4 · May 7, 2005

Replies: 4

Views: 10K

What Makes Hydrogen Highly Flammable and Carbon Strong?

May 7, 2005 · Replies 1 · May 7, 2005

Replies: 1

Views: 21K

Is Helium's Entropy at Absolute Zero Truly Zero?

May 5, 2005 · Replies 3 · May 6, 2005

Replies: 3

Views: 2K

Balancing Chemical Equations: Considering States of Reactants and Products

May 5, 2005 · Replies 7 · May 5, 2005

Replies: 7

Views: 3K

Geometric Isomers in Alkenes & Alkynes: Why?

May 4, 2005 · Replies 3 · May 5, 2005

Replies: 3

Views: 14K

Brown Ring Test for NO3-: FeSO4 + H2SO4?

May 5, 2005 · Replies 2 · May 5, 2005

Replies: 2

Views: 7K

Equilibrium Constant of A(g) 2B(g)+C(g) at Temperature t

May 4, 2005 · Replies 5 · May 5, 2005

Replies: 5

Views: 3K

Help with Buffers: H+ Ions, Ka Value, Titration of NH3 & HCl

May 4, 2005 · Replies 2 · May 5, 2005

Replies: 2

Views: 8K

Redox Equations: How to Determine Right Side of Equation

May 4, 2005 · Replies 4 · May 5, 2005

Replies: 4

Views: 22K

Where can i find a list of redox half equations?

May 4, 2005 · Replies 4 · May 4, 2005

Replies: 4

Views: 6K

Redox Equations: Balancing Half Reactions

May 4, 2005 · Replies 2 · May 4, 2005

Replies: 2

Views: 2K

Are there volatile chemicals in tap water that can cause a garlic odor?

Apr 25, 2005 · Replies 12 · May 3, 2005

Replies: 12

Views: 12K

Ferric Chloride: MSDS and safety precautions

Apr 29, 2005 · Replies 7 · May 3, 2005

Replies: 7

Views: 19K

UV visible spectroscopy

May 3, 2005 · Replies 1 · May 3, 2005

Replies: 1

Views: 5K

I can do maths and chemistry but not physics

May 3, 2005 · Replies 2 · May 3, 2005

Replies: 2

Views: 2K

Why is the heat of formation for NaOH negative?

May 2, 2005 · Replies 2 · May 3, 2005

Replies: 2

Views: 17K

Solutions compared of solutes and solvents

May 2, 2005 · Replies 1 · May 3, 2005

Replies: 1

Views: 13K

Which will dissolve in water Castor Oil or Potassium Iodide?

May 2, 2005 · Replies 3 · May 2, 2005

Replies: 3

Views: 9K

Diluting 0.01 M HCl to pH 8.0: Question & Explanation

May 2, 2005 · Replies 1 · May 2, 2005

Replies: 1

Views: 4K

How Can You Calculate Equilibrium Constants and Pressures from Given Reactions?

May 1, 2005 · Replies 6 · May 2, 2005

Replies: 6

Views: 5K

Why do the standard emf and calculated emf values differ in electrochemistry?

May 1, 2005 · Replies 4 · May 2, 2005

Replies: 4

Views: 4K

Is the Natural Log of Pressure Unitless?

Apr 28, 2005 · Replies 8 · May 1, 2005

Replies: 8

Views: 9K

Question on Ionic bonds and compounds

Apr 30, 2005 · Replies 3 · May 1, 2005

Replies: 3

Views: 6K

Need help finding the formula of a compound

Apr 30, 2005 · Replies 4 · May 1, 2005

Replies: 4

Views: 13K

Major Product of Acetaldehyde + Dilute Base: Acetic Acid

Apr 30, 2005 · Replies 1 · May 1, 2005

Replies: 1

Views: 2K

Weak Acid/Base Equilibria: C6H5OH & C6H5NH2 K_a & K_b

Apr 28, 2005 · Replies 3 · Apr 29, 2005

Replies: 3

Views: 4K

What Temperature Makes the Reaction N2O4 --> 2NO2 Spontaneous?

Apr 29, 2005 · Replies 1 · Apr 29, 2005

Replies: 1

Views: 3K

Can you separate compounds by changing solubility?

Apr 27, 2005 · Replies 8 · Apr 29, 2005

Replies: 8

Views: 4K

Draw the Lewis structure of oxalic acid (H2C2O4)

Apr 28, 2005 · Replies 1 · Apr 29, 2005

Replies: 1

Views: 7K

BCC - balancing chemical equations, stoichiometry

Apr 26, 2005 · Replies 8 · Apr 28, 2005

Replies: 8

Views: 18K

PH - really basic, I know, but I'm tired

Apr 27, 2005 · Replies 6 · Apr 28, 2005

Replies: 6

Views: 5K

So, can you find the temperature at which this reaction will be spontaneous?

Apr 28, 2005 · Replies 2 · Apr 28, 2005

Replies: 2

Views: 2K

Which Acid Has a Lower pH: HBrO4 or HIO3?

Apr 13, 2005 · Replies 8 · Apr 28, 2005

Replies: 8

Views: 7K

Can Silicon and Carbon Be Cleaned Without Etching?

Apr 27, 2005 · Replies 1 · Apr 27, 2005

Replies: 1

Views: 4K

Calculate Temperature for White to Grey Tin Conversion | Thermodynamic Data

Apr 20, 2005 · Replies 6 · Apr 27, 2005

Replies: 6

Views: 7K

Joe's Question: Nitrogen Organic Structure Property

Apr 25, 2005 · Replies 3 · Apr 27, 2005

Replies: 3

Views: 3K

Comparing Reactivity of Chemical Groups: OH-R to O_4S-R

Apr 26, 2005 · Replies 3 · Apr 27, 2005

Replies: 3

Views: 2K

Pros & Cons of Citric Acid in Lemon Juice

Apr 26, 2005 · Replies 1 · Apr 27, 2005

Replies: 1

Views: 21K

Predicting a reaction between ester and acyl halide

Apr 26, 2005 · Replies 1 · Apr 26, 2005

Replies: 1

Views: 4K

Experiment Results: Mixing Solution A with Solution B

Apr 23, 2005 · Replies 5 · Apr 26, 2005

Replies: 5

Views: 5K

What Are the Best Alternatives to Coal Tar for Eczema Treatment?

Apr 25, 2005 · Replies 5 · Apr 26, 2005

Replies: 5

Views: 3K

Shapes of structural diagrams-help

Apr 21, 2005 · Replies 1 · Apr 23, 2005

Replies: 1

Views: 2K

Martini Chemistry: Debating Alcohol Bruising & Chemical Reactions

Apr 23, 2005 · Replies 4 · Apr 23, 2005

Replies: 4

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.

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