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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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Why Does Sugar Water Freeze Faster Than Pure Water?

Dec 10, 2003 · Replies 6 · Dec 11, 2003

Replies: 6

Views: 15K

What simple geometric shapes do molecules exhibit?

Dec 9, 2003 · Replies 4 · Dec 10, 2003

Replies: 4

Views: 6K

So I'm about to tear my hair out

Dec 9, 2003 · Replies 4 · Dec 9, 2003

Replies: 4

Views: 3K

CO2 and Kr Mixture: Calculating Original CO2 and Recoverable Kr Amounts

Dec 8, 2003 · Replies 3 · Dec 9, 2003

Replies: 3

Views: 4K

What is bond order and why is it important in molecular chemistry?

Dec 8, 2003 · Replies 2 · Dec 9, 2003

Replies: 2

Views: 15K

What is the process for finding the percent by mass of acetic acid in vinegar?

Dec 6, 2003 · Replies 8 · Dec 9, 2003

Replies: 8

Views: 27K

Solve Molecular Formula of Silicon-Fluorine Compound

Dec 8, 2003 · Replies 3 · Dec 8, 2003

Replies: 3

Views: 5K

How can I solve gas problems in chemistry?

Dec 8, 2003 · Replies 2 · Dec 8, 2003

Replies: 2

Views: 4K

Dating methods: calculating atomic ratio?

Dec 4, 2003 · Replies 11 · Dec 8, 2003

Replies: 11

Views: 13K

Why Rinse Hair With Vinegar After Shampoo?

Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Views: 4K

Calculating Mass of Acid in Vinegar

Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Views: 8K

Electrolyte and salivary amylase

Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Views: 7K

Solve Stoichiometry Problems with Chemistry: Al & Cl2

Dec 1, 2003 · Replies 7 · Dec 6, 2003

Replies: 7

Views: 4K

Rethinking Chemistry Education: Moving Beyond Rote Memorization

Nov 26, 2003 · Replies 13 · Dec 6, 2003

Replies: 13

Views: 4K

Troubleshooting Chemical Equations: Tips for Balancing and Correcting Formulas"

Dec 4, 2003 · Replies 4 · Dec 6, 2003

Replies: 4

Views: 15K

Solving pH with [H+] = 1 * 10^-5 mol/L

Dec 4, 2003 · Replies 1 · Dec 4, 2003

Replies: 1

Views: 3K

Stereochemistry of Bromine Addition to trans-Cinnamic Acid

Nov 30, 2003 · Replies 10 · Dec 3, 2003

Replies: 10

Views: 32K

C2H4 Bond Energy | Bond Breaking & Adding Energy

Dec 2, 2003 · Replies 1 · Dec 2, 2003

Replies: 1

Views: 8K

What Causes Difficulty in Understanding Chemistry?

Dec 1, 2003 · Replies 1 · Dec 2, 2003

Replies: 1

Views: 7K

What Determines the Oxidation States of Aluminum and Silicon?

Nov 24, 2003 · Replies 9 · Nov 30, 2003

Replies: 9

Views: 6K

Reaction Rate of 4HCl + 4NaS2O3 -> Effects on Reaction

Nov 29, 2003 · Replies 2 · Nov 29, 2003

Replies: 2

Views: 4K

Why is there a difference in atomic and ionic radii for Ca and Zn?

Nov 29, 2003 · Replies 5 · Nov 29, 2003

Replies: 5

Views: 23K

Why did the red color fade in the reaction between substance x(2+) and y(2+)?

Nov 21, 2003 · Replies 10 · Nov 27, 2003

Replies: 10

Views: 6K

Do O2 gas and diphosphate combust at approx 40 degrees C?

Nov 26, 2003 · Replies 2 · Nov 26, 2003

Replies: 2

Views: 3K

Is the Backward Reaction at Equilibrium Non-Spontaneous or Reversible?

Nov 24, 2003 · Replies 6 · Nov 25, 2003

Replies: 6

Views: 7K

Involving Rate determining steps

Nov 20, 2003 · Replies 3 · Nov 24, 2003

Replies: 3

Views: 6K

Understanding Acidity: A look at Hydronium Ions

Nov 23, 2003 · Replies 2 · Nov 23, 2003

Replies: 2

Views: 6K

How to Calculate the Mass of a Calcium Atom in Kilograms?

Nov 21, 2003 · Replies 1 · Nov 21, 2003

Replies: 1

Views: 4K

What Is the Longest and Most Complex Chemical Equation Known?

Nov 19, 2003 · Replies 13 · Nov 21, 2003

Replies: 13

Views: 7K

Pressure of H in Pd Lattice: Calculation & Analysis

Nov 19, 2003 · Replies 4 · Nov 20, 2003

Replies: 4

Views: 3K

Electron spin and chemical bonding

Nov 18, 2003 · Replies 4 · Nov 19, 2003

Replies: 4

Views: 10K

Standerising NaOH: How to Do It & What Concentration of HCl

Nov 19, 2003 · Replies 1 · Nov 19, 2003

Replies: 1

Views: 4K

Square Planar Complex Ion Arrangements

Nov 16, 2003 · Replies 3 · Nov 18, 2003

Replies: 3

Views: 13K

How many atoms are in 20.6g of N2O4 gas at STP?

Nov 16, 2003 · Replies 3 · Nov 16, 2003

Replies: 3

Views: 6K

Denaturising Proteins: Mechanism & Effects Explained

Nov 14, 2003 · Replies 3 · Nov 14, 2003

Replies: 3

Views: 5K

Are Uuq and Uuh: Same or Different?

Nov 5, 2003 · Replies 2 · Nov 14, 2003

Replies: 2

Views: 4K

Why Water Doesn't Intervene in Ethene Electrophilic Addition

Nov 11, 2003 · Replies 5 · Nov 14, 2003

Replies: 5

Views: 6K

Chemistry: A Precise Definition

Oct 30, 2003 · Replies 4 · Nov 12, 2003

Replies: 4

Views: 4K

Why Is There No Chemistry Forum to Explore Science Through Math?

Nov 12, 2003 · Replies 3 · Nov 12, 2003

Replies: 3

Views: 2K

Exploring Enthalpy and Entropy in Exothermic and Endothermic Reactions

Nov 10, 2003 · Replies 14 · Nov 12, 2003

Replies: 14

Views: 15K

Understanding Polyatomic Ions in Lewis Structures

Nov 11, 2003 · Replies 2 · Nov 12, 2003

Replies: 2

Views: 9K

Extensive Organic Chemistry Database

Nov 11, 2003 · Replies 4 · Nov 12, 2003

Replies: 4

Views: 6K

Please help : Homework problem almost there ? Equilibrium

Nov 9, 2003 · Replies 2 · Nov 11, 2003

Replies: 2

Views: 4K

Custom Periodic Table Arrangement: The Secrets of Element Organization

Nov 10, 2003 · Replies 4 · Nov 10, 2003

Replies: 4

Views: 9K

Is it possible to manufacture water and how does it work?

Oct 8, 2003 · Replies 41 · Nov 10, 2003

2

Replies: 41

Views: 9K

Alcohol Enzyme Reactions: High or Low?

Nov 9, 2003 · Replies 3 · Nov 9, 2003

Replies: 3

Views: 8K

Enthalpy of Combustion per mole of H2

Nov 9, 2003 · Replies 15 · Nov 9, 2003

Replies: 15

Views: 5K

Solute vs Solvent: A 9th Grade Exploration

Nov 8, 2003 · Replies 2 · Nov 8, 2003

Replies: 2

Views: 19K

Chromatography Applications and Advantages

Nov 5, 2003 · Replies 5 · Nov 6, 2003

Replies: 5

Views: 4K

Chemistry Lab Help: Identifying Unknown Chemicals Using Solubility Rules

Nov 5, 2003 · Replies 4 · Nov 6, 2003

Replies: 4

Views: 7K

Understanding Polarities: BeF2 & Beyond

Oct 31, 2003 · Replies 13 · Nov 4, 2003

Replies: 13

Views: 12K

Mystery Behind Scratching the Beaker: Investigating PPT Formation

Nov 3, 2003 · Replies 3 · Nov 4, 2003

Replies: 3

Views: 7K

Why Can the 3rd Shell Hold 18 Electrons?

Oct 31, 2003 · Replies 7 · Nov 2, 2003

Replies: 7

Views: 9K

Calculate Moles: Na2CO3 Solution | Chemistry Problem Help

Oct 21, 2003 · Replies 23 · Oct 24, 2003

Replies: 23

Views: 21K

Preparation of butanone by oxidation

Oct 21, 2003 · Replies 3 · Oct 22, 2003

Replies: 3

Views: 15K

Durian: The King of Fruits - Is it Fatal with Beer?

Oct 21, 2003 · Replies 2 · Oct 21, 2003

Replies: 2

Views: 17K

Equation Reactions: Solid Zinc + Sodium Hydroxide

Oct 17, 2003 · Replies 10 · Oct 21, 2003

Replies: 10

Views: 16K

Why the pH value does not change?

Oct 20, 2003 · Replies 2 · Oct 20, 2003

Replies: 2

Views: 7K

Chemo Reacting Volumes Of Gasses q's

Oct 15, 2003 · Replies 8 · Oct 16, 2003

Replies: 8

Views: 4K

The Chemistry Behind Fizzy Bath Bombs

Oct 11, 2003 · Replies 4 · Oct 13, 2003

Replies: 4

Views: 8K

Melting point of 40% Sn and 60% Pb

Oct 5, 2003 · Replies 11 · Oct 9, 2003

Replies: 11

Views: 13K

Understanding Oxidation States in Ethanol (C2H5OH) and Carbon Dioxide (CO2)

Oct 7, 2003 · Replies 2 · Oct 8, 2003

Replies: 2

Views: 15K

Engineering Molecules for Wavelength Absorption

Oct 8, 2003 · Replies 1 · Oct 8, 2003

Replies: 1

Views: 4K

Figuring Out How Much HCl for Ba(OH)2 Reaction

Oct 6, 2003 · Replies 4 · Oct 6, 2003

Replies: 4

Views: 17K

How Much HCl Is Needed to Neutralize NaOH?

Oct 6, 2003 · Replies 3 · Oct 6, 2003

Replies: 3

Views: 9K

Why do milk and eggs congeal when heat is applied?

Oct 6, 2003 · Replies 2 · Oct 6, 2003

Replies: 2

Views: 4K

A burbon on the rocks exists because ice is less dense than water

Oct 6, 2003 · Replies 1 · Oct 6, 2003

Replies: 1

Views: 4K

Understanding Ionic Charges for Na, Cl, and Other Particles

Oct 1, 2003 · Replies 2 · Oct 2, 2003

Replies: 2

Views: 5K

Does the size of the shell in 2s change when it has 2 electrons?

Sep 19, 2003 · Replies 8 · Sep 30, 2003

Replies: 8

Views: 5K

Phenol and FeCl3 Reaction: Formation of Violet Complex

Sep 29, 2003 · Replies 1 · Sep 29, 2003

Replies: 1

Views: 44K

Unravelling the Mysteries of Chemistry

Sep 20, 2003 · Replies 9 · Sep 28, 2003

Replies: 9

Views: 7K

Unravelling Oxidizers & Reducers: NAD+ & NADH Explained

Sep 24, 2003 · Replies 7 · Sep 28, 2003

Replies: 7

Views: 11K

What Links Silicon and Silicone Beyond Their Names?

Sep 23, 2003 · Replies 8 · Sep 25, 2003

Replies: 8

Views: 4K

Creating a Safe Chemical Garden for an 8-Year-Old

Sep 19, 2003 · Replies 6 · Sep 23, 2003

Replies: 6

Views: 5K

Good Computer Program for Chemical Structures & Equations

Sep 21, 2003 · Replies 3 · Sep 22, 2003

Replies: 3

Views: 4K

What is the correct IUPAC name for compound (b) with a chiral center on C2?

Sep 18, 2003 · Replies 4 · Sep 21, 2003

Replies: 4

Views: 5K

Alchemy essentially morphed into chemistry

Mar 24, 2003 · Replies 2 · Mar 24, 2003

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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