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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 Berylium and Lithium Ionisation Energy: Confusion Cleared

Dec 15, 2004 · Replies 17 · Dec 16, 2004

Replies: 17

Views: 26K

Linear range- in detector of GC

Dec 15, 2004 · Replies 1 · Dec 16, 2004

Replies: 1

Views: 15K

Aspirin Questions: Seeking Guru Input

Dec 15, 2004 · Replies 1 · Dec 15, 2004

Replies: 1

Views: 4K

Cis vs. Trans epoxidation of olefins

Dec 15, 2004 · Replies 2 · Dec 15, 2004

Replies: 2

Views: 6K

Dioxin Poisoning: Risks, Origins, and Prevention

Dec 14, 2004 · Replies 5 · Dec 15, 2004

Replies: 5

Views: 4K

Brewing Your Own Alcoholic Beverages - Is It Safe?

Dec 13, 2004 · Replies 7 · Dec 14, 2004

Replies: 7

Views: 4K

Why Does Xe React with O2PtF6 to Form XePtF6?

Dec 13, 2004 · Replies 5 · Dec 14, 2004

Replies: 5

Views: 2K

Understanding Molecular Orbital Theory

Dec 13, 2004 · Replies 2 · Dec 14, 2004

Replies: 2

Views: 5K

Gas Chromatography: Example of Molar Proportion of A & B

Dec 14, 2004 · Replies 4 · Dec 14, 2004

Replies: 4

Views: 6K

Understanding Naming Ionic Formulas: Parentheses and Roman Numerals Explained

Dec 13, 2004 · Replies 5 · Dec 14, 2004

Replies: 5

Views: 6K

Where Can I Find Answers to the 2001 ACS Practice Test?

Dec 13, 2004 · Replies 1 · Dec 13, 2004

Replies: 1

Views: 3K

Did anyone actually enjoy organic chem?

Dec 10, 2004 · Replies 15 · Dec 13, 2004

Replies: 15

Views: 15K

Relative basicity of two molecules.

Dec 13, 2004 · Replies 2 · Dec 13, 2004

Replies: 2

Views: 6K

What Happens When Silver Contacts Pressed Sulphur Tablets?

Dec 10, 2004 · Replies 3 · Dec 13, 2004

Replies: 3

Views: 16K

Would a noble gas react with a radical?

Dec 12, 2004 · Replies 2 · Dec 13, 2004

Replies: 2

Views: 5K

Why Does Nitrogen Difluoride (N2F2) Show Geometric Isomerism?

Dec 12, 2004 · Replies 2 · Dec 12, 2004

Replies: 2

Views: 10K

How to Determine Standard Enthalpy Change Using Hess's Law?

Dec 12, 2004 · Replies 5 · Dec 12, 2004

Replies: 5

Views: 13K

Why Do Chemistry Equations Feel So Challenging?

Dec 12, 2004 · Replies 2 · Dec 12, 2004

Replies: 2

Views: 2K

Polymerization - Synthesis of Orlon

Dec 11, 2004 · Replies 2 · Dec 12, 2004

Replies: 2

Views: 11K

Titration Calculation question.

Dec 12, 2004 · Replies 1 · Dec 12, 2004

Replies: 1

Views: 10K

Acid-Base neutralization w/ more than 1 base.

Dec 11, 2004 · Replies 6 · Dec 12, 2004

Replies: 6

Views: 7K

Creating and Titrating ASA: What You Need to Know

Dec 6, 2004 · Replies 9 · Dec 12, 2004

Replies: 9

Views: 7K

Solving Ksp Lab Errors: CaSO4 Calculation Methods

Dec 11, 2004 · Replies 2 · Dec 12, 2004

Replies: 2

Views: 12K

How Do Symmetry and Overlap Determine Molecular Orbital Interactions?

Dec 11, 2004 · Replies 1 · Dec 12, 2004

Replies: 1

Views: 3K

How Does UV Light Initiate Chlorine Atom Splitting in Chlorination?

Dec 9, 2004 · Replies 8 · Dec 12, 2004

Replies: 8

Views: 6K

Solution Concentration: Molarity

Dec 9, 2004 · Replies 6 · Dec 11, 2004

Replies: 6

Views: 20K

Solving Hess' Law for C2H6 Combustion: kJ/mol

Dec 10, 2004 · Replies 3 · Dec 11, 2004

Replies: 3

Views: 7K

Balanced Combustion Equations for Alcohols

Dec 10, 2004 · Replies 4 · Dec 10, 2004

Replies: 4

Views: 9K

How do we derive the equilibrium constant formula?

Dec 9, 2004 · Replies 8 · Dec 10, 2004

Replies: 8

Views: 12K

How to use and interpret C NMR?

Dec 10, 2004 · Replies 1 · Dec 10, 2004

Replies: 1

Views: 4K

Condensation Polymers: Comparing A & B

Dec 9, 2004 · Replies 1 · Dec 9, 2004

Replies: 1

Views: 4K

Molecules and bonds of transition metals

Dec 8, 2004 · Replies 7 · Dec 9, 2004

Replies: 7

Views: 3K

Solving Tritium Oxide in Ocean Water

Dec 8, 2004 · Replies 1 · Dec 9, 2004

Replies: 1

Views: 3K

Predicting Chemical Reactions: How to Determine and Write Out Products

Dec 8, 2004 · Replies 3 · Dec 9, 2004

Replies: 3

Views: 3K

Determination of the final temperature inside a calorimeter

Dec 8, 2004 · Replies 2 · Dec 8, 2004

Replies: 2

Views: 11K

Aerogels - Supercritical Extractions?

Dec 7, 2004 · Replies 3 · Dec 8, 2004

Replies: 3

Views: 2K

Undergraduate chemical engineering

Dec 5, 2004 · Replies 8 · Dec 8, 2004

Replies: 8

Views: 5K

Empirical Formula: Real-World Uses

Dec 7, 2004 · Replies 2 · Dec 8, 2004

Replies: 2

Views: 23K

Types of Chemical Reactions: Can You Write the Condensed Word Equation?

Dec 7, 2004 · Replies 5 · Dec 8, 2004

Replies: 5

Views: 5K

Vinegar & Soda Water: Strange Result?

Dec 6, 2004 · Replies 5 · Dec 8, 2004

Replies: 5

Views: 9K

Sugar alcohols and their effect on your teeth.

Dec 6, 2004 · Replies 2 · Dec 7, 2004

Replies: 2

Views: 7K

Dissolving on a molecular level .

Dec 6, 2004 · Replies 3 · Dec 6, 2004

Replies: 3

Views: 15K

High School Lab: Precipitates and Solubility Rules

Dec 5, 2004 · Replies 5 · Dec 6, 2004

Replies: 5

Views: 15K

Long-winded finding of Limiting Reagent

Dec 2, 2004 · Replies 1 · Dec 6, 2004

Replies: 1

Views: 4K

Net ionic equations with no ions

Dec 5, 2004 · Replies 3 · Dec 6, 2004

Replies: 3

Views: 6K

Very Difficult : Finding final Volume gasses (for me)

Dec 2, 2004 · Replies 10 · Dec 5, 2004

Replies: 10

Views: 3K

Why Do Condensation Reactions in Glucose Not Occur at C2 or C3?

Nov 26, 2004 · Replies 2 · Dec 5, 2004

Replies: 2

Views: 3K

Lab Experiment:Calculating Molar Enthelpy of Fusion of Water

Dec 5, 2004 · Replies 8 · Dec 5, 2004

Replies: 8

Views: 19K

Nuetralization Reaction involving a weak acid and weak base

Dec 2, 2004 · Replies 3 · Dec 5, 2004

Replies: 3

Views: 13K

Why Does Water Expand When it Freezes?

Dec 5, 2004 · Replies 4 · Dec 5, 2004

Replies: 4

Views: 4K

What Methods Are Used to Create Therapeutic Drugs Like ASA?

Nov 21, 2004 · Replies 5 · Dec 5, 2004

Replies: 5

Views: 6K

Why the ortho,meta,para positions are named

Dec 4, 2004 · Replies 3 · Dec 5, 2004

Replies: 3

Views: 13K

Can Magnesium Fire Starters Be Dangerous?

Dec 3, 2004 · Replies 13 · Dec 4, 2004

Replies: 13

Views: 7K

Bond Dissociation Energy of 2Cl: 58 kcal/mole

Dec 3, 2004 · Replies 3 · Dec 4, 2004

Replies: 3

Views: 2K

How to erase pen writing by chemical?

Dec 4, 2004 · Replies 2 · Dec 4, 2004

Replies: 2

Views: 13K

Can 4,5-Dibromoisatin Be Synthesized?

Dec 4, 2004 · Replies 2 · Dec 4, 2004

Replies: 2

Views: 3K

Starch vs Cellulose: Which is Soluble in Water?

Dec 3, 2004 · Replies 1 · Dec 3, 2004

Replies: 1

Views: 16K

I think this is Daltons Law Problem

Dec 3, 2004 · Replies 1 · Dec 3, 2004

Replies: 1

Views: 2K

Optical Isomerism: Levorotatory Tartric Acid Reduction

Dec 3, 2004 · Replies 3 · Dec 3, 2004

Replies: 3

Views: 4K

Compare physics/chemistry with social sciences

Nov 19, 2004 · Replies 3 · Dec 3, 2004

Replies: 3

Views: 6K

Need help on radial distribution on excel

Dec 2, 2004 · Replies 1 · Dec 2, 2004

Replies: 1

Views: 6K

Covalent Bonding: Why Na 3s Electron Energy is Higher than Cl 3p

Dec 2, 2004 · Replies 7 · Dec 2, 2004

Replies: 7

Views: 6K

Please Help! My Teacher's Ridiculous - I Need Solving the Equations!

Nov 29, 2004 · Replies 5 · Dec 1, 2004

Replies: 5

Views: 3K

Where Do Valence Electrons Go in Covalent Bonds?

Dec 1, 2004 · Replies 5 · Dec 1, 2004

Replies: 5

Views: 3K

Maximizing Experiment Yield: What Factors Matter?

Nov 22, 2004 · Replies 6 · Dec 1, 2004

Replies: 6

Views: 6K

Uncovering the Mystery of Acetanilide and Caffeine Melting Point Range

Nov 29, 2004 · Replies 1 · Dec 1, 2004

Replies: 1

Views: 7K

Calculating Enthalpy Change: HNO3 + KOH

Nov 30, 2004 · Replies 4 · Dec 1, 2004

Replies: 4

Views: 5K

Mn Catalyst for Asymmetric Epoxidation

Nov 30, 2004 · Replies 2 · Nov 30, 2004

Replies: 2

Views: 4K

When reactions occur, how can you differentiate between A2B2 and 2AB?

Nov 30, 2004 · Replies 2 · Nov 30, 2004

Replies: 2

Views: 3K

Maxwell's Demon: What Do You Think?

Nov 4, 2004 · Replies 3 · Nov 30, 2004

Replies: 3

Views: 4K

Calculating Boiling Point Elevation for a Solution with Dissociating Solutes

Nov 29, 2004 · Replies 2 · Nov 30, 2004

Replies: 2

Views: 15K

Which oxidation state should I assume when balancing equations?

Nov 29, 2004 · Replies 4 · Nov 30, 2004

Replies: 4

Views: 5K

Redox Reaction of Molybdenum(V) Ions

Nov 28, 2004 · Replies 2 · Nov 30, 2004

Replies: 2

Views: 3K

Testing Buffer Solutions with Cabbage Dye Indicator

Nov 29, 2004 · Replies 2 · Nov 29, 2004

Replies: 2

Views: 6K

Is this Redox Reaction Balanced Correctly?

Nov 27, 2004 · Replies 4 · Nov 29, 2004

Replies: 4

Views: 9K

Organic Chemistry Resources for Advanced Students

Nov 22, 2004 · Replies 6 · Nov 29, 2004

Replies: 6

Views: 4K

Calculating Freezing Point Depression with Urea and Water

Nov 28, 2004 · Replies 3 · Nov 29, 2004

Replies: 3

Views: 7K

Getting the identity of an unknown element in a reaction.

Nov 28, 2004 · Replies 3 · Nov 29, 2004

Replies: 3

Views: 16K

Impact of Temperature on Burning Hydrocarbon in a Closed System

Nov 29, 2004 · Replies 1 · Nov 29, 2004

Replies: 1

Views: 2K

Ester formation & amount of acid catalyst needed

Nov 28, 2004 · Replies 3 · Nov 28, 2004

Replies: 3

Views: 7K

Setting up a galvanic cell (1.25V)

Nov 28, 2004 · Replies 1 · Nov 28, 2004

Replies: 1

Views: 4K

What was causing the very weird problem?

Nov 27, 2004 · Replies 5 · Nov 28, 2004

Replies: 5

Views: 2K

Hybirdization using the molecule H2CO3

Nov 22, 2004 · Replies 1 · Nov 28, 2004

Replies: 1

Views: 4K

How a polar solvent works in the separation of polar dyes?

Nov 26, 2004 · Replies 3 · Nov 28, 2004

Replies: 3

Views: 4K

VSEPR/Hybirdization/diagrams HELP

Nov 22, 2004 · Replies 3 · Nov 28, 2004

Replies: 3

Views: 11K

Balance in an acidic solution redox

Nov 27, 2004 · Replies 1 · Nov 27, 2004

Replies: 1

Views: 3K

How to Calculate pH in a Titration of Citric Acid with NaOH?

Nov 23, 2004 · Replies 6 · Nov 27, 2004

Replies: 6

Views: 3K

Galvanic Cell Setup with Cu and Mg | Achieving 2.68 V Voltage

Nov 18, 2004 · Replies 8 · Nov 27, 2004

Replies: 8

Views: 7K

Two unknwon factors in this stoichiometry problem

Nov 26, 2004 · Replies 2 · Nov 26, 2004

Replies: 2

Views: 2K

Is my pH calculation for a solution of HCl and NaOH accurate?

Nov 23, 2004 · Replies 4 · Nov 25, 2004

Replies: 4

Views: 4K

How much energy is absorbed by water?

Nov 24, 2004 · Replies 1 · Nov 25, 2004

Replies: 1

Views: 2K

RF Measurement: Do I Need a Unit?

Nov 24, 2004 · Replies 2 · Nov 24, 2004

Replies: 2

Views: 68K

Obtaining Chlorosulphonic Acid (HSO3Cl)

Nov 22, 2004 · Replies 7 · Nov 24, 2004

Replies: 7

Views: 3K

What is the final volume of the balloon in liters after being heated to 93.0oC?

Nov 13, 2004 · Replies 5 · Nov 23, 2004

Replies: 5

Views: 3K

Acid/Base Weight Change: Melting Point Increase?

Nov 8, 2004 · Replies 9 · Nov 23, 2004

Replies: 9

Views: 3K

What Is Stoichiometry in Chemistry?

Nov 22, 2004 · Replies 2 · Nov 23, 2004

Replies: 2

Views: 4K

Is Ozone Inhalation Safe for Humans?

Nov 18, 2004 · Replies 4 · Nov 22, 2004

Replies: 4

Views: 5K

How Does KMnO4 Oxidize Toluene to Benzoic Acid?

Nov 20, 2004 · Replies 2 · Nov 21, 2004

Replies: 2

Views: 3K

Why Do Double Bonds Not Allow Bond Rotation?

Nov 18, 2004 · Replies 6 · Nov 21, 2004

Replies: 6

Views: 5K

BH3 Valence Bond: Explaining 3 Bonding Orbitals

Nov 13, 2004 · Replies 8 · Nov 21, 2004

Replies: 8

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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