Skip to main content

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

I have trouble understanding the concept of resonance

nemzy
Oct 18, 2004 · Replies 6 · Oct 22, 2004

Replies: 6

What would be the ideal chemistry program?

relativitydude
Oct 21, 2004 · Replies 1 · Oct 22, 2004

Replies: 1

Understanding the free-radical chain reactions

tipton12
Oct 19, 2004 · Replies 6 · Oct 22, 2004

Replies: 6

Aphrodisiac normally consists of what chemicals?

Saint
Oct 21, 2004 · Replies 3 · Oct 21, 2004

Replies: 3

Instances to produce heat by burning

jennypear
Oct 20, 2004 · Replies 2 · Oct 21, 2004

Replies: 2

EDTA titration-(Analytical Chem.)

tipton12
Oct 17, 2004 · Replies 6 · Oct 21, 2004

Replies: 6

A question for Graduate students and higher

chem_tr
Oct 15, 2004 · Replies 7 · Oct 21, 2004

Replies: 7

Inking Disc Golf Discs: What to Use & How to Apply

marley.wannabee
Oct 16, 2004 · Replies 7 · Oct 20, 2004

Replies: 7

Far Infra Rays: Questions & Answers

yinyang
Oct 20, 2004 · Replies 3 · Oct 20, 2004

Replies: 3

What Is the Structure and Stability of the S4N4 Compound?

needhelpperson
Oct 18, 2004 · Replies 1 · Oct 19, 2004

Replies: 1

Equality Reaction: Questions & Answers - Fred

Mathman23
Oct 18, 2004 · Replies 2 · Oct 19, 2004

Replies: 2

Calculating Formula Weights for Common Chemical Compounds

courtrigrad
Oct 18, 2004 · Replies 2 · Oct 19, 2004

Replies: 2

Cyclic Voltammetry: Meaning & Lab Results

gravenewworld
Oct 18, 2004 · Replies 3 · Oct 19, 2004

Replies: 3

Is Rhodium Likely to Have Positive Ion States with Noble-Gas Configuration?

needhelpperson
Oct 18, 2004 · Replies 2 · Oct 18, 2004

Replies: 2

What do you make of this mechanism?

chem_tr
Oct 17, 2004 · Replies 1 · Oct 18, 2004

Replies: 1

Chemistry Help: Neutralizing HCl & H3PO4 Solutions

TJSR
Oct 13, 2004 · Replies 5 · Oct 18, 2004

Replies: 5

Hydrogen and Oxygen: Questions & Answers

Arsonade
Oct 13, 2004 · Replies 8 · Oct 18, 2004

Replies: 8

Calculating PPM Iron: Iron Titration

tipton12
Oct 13, 2004 · Replies 5 · Oct 17, 2004

Replies: 5

Calculating CO2 and CH4 Partial Pressure - Reaction Formula

Mathman23
Oct 13, 2004 · Replies 4 · Oct 17, 2004

Replies: 4

Why Do Some Hydroxides Form Precipitates in Water?

rogerfreak
Oct 17, 2004 · Replies 1 · Oct 17, 2004

Replies: 1

How are nanoshells constructed in modern labs?

Xenorelic
Oct 15, 2004 · Replies 5 · Oct 16, 2004

Replies: 5

Final Concentration Formula for Chemical Mixtures: CiVi+CiVi=CfVf

recon9
Oct 14, 2004 · Replies 3 · Oct 15, 2004

Replies: 3

Chem 101 Problem: Neutralizing Acids & Bases

TJSR
Oct 13, 2004 · Replies 3 · Oct 14, 2004

Replies: 3

Can Strong Acids or Bases Have Negative pH Values in Practice?

MaximumTaco
Oct 14, 2004 · Replies 2 · Oct 14, 2004

Replies: 2

Calculating pH of CH3NH2 and CH3NH3+Cl- Solution

josephcollins
Oct 12, 2004 · Replies 3 · Oct 14, 2004

Replies: 3

Fluorescent Paints: Chemical Structure & Invisible Application

jhirlo
Oct 12, 2004 · Replies 3 · Oct 14, 2004

Replies: 3

Solubility of hydrochloride salts

Vinayagampk
Oct 13, 2004 · Replies 1 · Oct 13, 2004

Replies: 1

Understanding Spectral Bandpass of Monochromator

tigger
Oct 13, 2004 · Replies 2 · Oct 13, 2004

Replies: 2

How Can Copper Alloys Be Purified Electrochemically?

amarnath
Oct 13, 2004 · Replies 1 · Oct 13, 2004

Replies: 1

Alcoholic Ammonia vs Aqueous for Treating Haloalkanes

ambuj123
Oct 12, 2004 · Replies 4 · Oct 12, 2004

Replies: 4

Understanding Acid-Base Reactions: pH Levels of Common Substances

josephcollins
Oct 12, 2004 · Replies 2 · Oct 12, 2004

Replies: 2

How Quickly Does an Ideal Gas Expand with Temperature Change?

daniel3777
Oct 11, 2004 · Replies 5 · Oct 12, 2004

Replies: 5

Polarity Question: O-methylnitrobenzene vs p-methylnitrobenzene

Skyblitz
Oct 11, 2004 · Replies 1 · Oct 12, 2004

Replies: 1

Help about benzoin condensation

chem_tr
Oct 9, 2004 · Replies 9 · Oct 11, 2004

Replies: 9

Tetraphenylporphyrin and dipole moments

nemzy
Oct 11, 2004 · Replies 1 · Oct 11, 2004

Replies: 1

Energetics of Organic Compunds help

parwana
Oct 9, 2004 · Replies 15 · Oct 11, 2004

Replies: 15

What is the Energy Change for the Formation of 0.39 mol of KI(s)?

parwana
Oct 10, 2004 · Replies 6 · Oct 11, 2004

Replies: 6

Lactic Acid: Ionised or Non-Ionised in Human Body?

josephcollins
Oct 10, 2004 · Replies 2 · Oct 10, 2004

Replies: 2

Naming Li & N Compounds: Li3N Explanation

Spectre32
Oct 6, 2004 · Replies 5 · Oct 10, 2004

Replies: 5

Structural Formulae for Isomer P, Q and R: Explained

MA103
Oct 9, 2004 · Replies 3 · Oct 10, 2004

Replies: 3

Mechanism for methylbenzoate, help

justinbaker
Oct 5, 2004 · Replies 8 · Oct 9, 2004

Replies: 8

Equivalence Point Calculation: Joe's Question

josephcollins
Oct 9, 2004 · Replies 1 · Oct 9, 2004

Replies: 1

How to Treat Spilled Mercury: Advice & Tips

chem_tr
Oct 8, 2004 · Replies 6 · Oct 9, 2004

Replies: 6

Confused about Acid and Base Reactions

Dual Op Amp
Oct 8, 2004 · Replies 3 · Oct 9, 2004

Replies: 3

Which anion is more acidic: TsO- or CN-?

maverick280857
Oct 8, 2004 · Replies 3 · Oct 8, 2004

Replies: 3

Denatonium Benzoate & Hair Staining Properties

amarnath
Oct 7, 2004 · Replies 1 · Oct 7, 2004

Replies: 1

How to Calculate the Residuum and [Na⁺] in a BaCl₂ + Na₂CO₃ Reaction?

Mathman23
Oct 6, 2004 · Replies 1 · Oct 7, 2004

Replies: 1

Voltammetry of alkylated colloids

timmyeatchips
Oct 5, 2004 · Replies 3 · Oct 6, 2004

Replies: 3

Understanding Enzyme Kinetics: Calculating Vmax and Km

marksju
Oct 6, 2004 · Replies 2 · Oct 6, 2004

Replies: 2

Q. Understanding Basic Organic Chemistry Concepts

ambuj123
Oct 5, 2004 · Replies 6 · Oct 6, 2004

Replies: 6

Changes in pH Values: Why Little Acid/Alkali Makes Little Difference

Jack16
Oct 5, 2004 · Replies 2 · Oct 5, 2004

Replies: 2

Question about heating an oxide

pinky2468
Oct 5, 2004 · Replies 1 · Oct 5, 2004

Replies: 1

Calculating Mass of Oxygen from CuO and Cu

termite
Oct 4, 2004 · Replies 10 · Oct 5, 2004

Replies: 10

Periodicity & Chemical Bonding Homework Help General Chem

afroman
Oct 3, 2004 · Replies 3 · Oct 4, 2004

Replies: 3

Is Cooking Really a Science and How Does It Use the Scientific Method?

Dagenais
Oct 3, 2004 · Replies 12 · Oct 4, 2004

Replies: 12

What is the concentration of acetic acid in the 200 mL volumetric flask?

nautica
Oct 3, 2004 · Replies 6 · Oct 4, 2004

Replies: 6

Understanding pH: Solving Confusing Problems with Strong Acids and Bases

nautica
Oct 2, 2004 · Replies 4 · Oct 3, 2004

Replies: 4

What Concentrations of KH2PO4 and Na2HPO4 are Needed to Make a pH 7.00 Buffer?

Gata
Sep 23, 2004 · Replies 8 · Oct 3, 2004

Replies: 8

Why does soda fizz when it's warm?

bjon-07
Sep 30, 2004 · Replies 4 · Oct 3, 2004

Replies: 4

Find Empirical Formula for Gas X: C_7H_16

Clari
Oct 1, 2004 · Replies 2 · Oct 3, 2004

Replies: 2

How to Calculate Kb and Find Its Value

nautica
Sep 30, 2004 · Replies 12 · Oct 3, 2004

Replies: 12

What is the elution volume and how does it relate to protein purification?

mountain
Oct 2, 2004 · Replies 1 · Oct 3, 2004

Replies: 1

Separate Unknown Salts: Qualitative Analysis

Cyrus
Sep 29, 2004 · Replies 11 · Oct 3, 2004

Replies: 11

Calculate Molarity of Cl- in Solution

nautica
Oct 2, 2004 · Replies 6 · Oct 3, 2004

Replies: 6

What is the Effect of Dissolving Different Compounds in Water?

nautica
Sep 27, 2004 · Replies 21 · Oct 3, 2004

Replies: 21

Nd2Fe14B: Molecular Structure Explained

dilasluis
Oct 2, 2004 · Replies 3 · Oct 3, 2004

Replies: 3

Calculate Buffer Effect of Adding HCl to Ethanoic Acid Solution

josephcollins
Oct 3, 2004 · Replies 1 · Oct 3, 2004

Replies: 1

Atomic radius - core charge vs energy level

.....
Oct 3, 2004 · Replies 1 · Oct 3, 2004

Replies: 1

Solving Pressure Shooter Kink: Find Volume & Air Needed

mmartin
Sep 30, 2004 · Replies 6 · Oct 3, 2004

Replies: 6

How is Acetone Used in Chromatography Calculations?

indoubt
Oct 2, 2004 · Replies 1 · Oct 2, 2004

Replies: 1

Atomic Mass of Neon: Explained for High School Chemistry

wasteofo2
Sep 30, 2004 · Replies 3 · Oct 2, 2004

Replies: 3

Understanding Supersaturation and Its Impact on Gravimetric Ppt

nautica
Sep 28, 2004 · Replies 7 · Sep 30, 2004

Replies: 7

What Is the Connection Between Metal/Nonmetal Oxides and Ionization Energies?

needhelpperson
Sep 29, 2004 · Replies 1 · Sep 30, 2004

Replies: 1

Weight of Oxygen vs CO2 in Blood

matthyaouw
Sep 29, 2004 · Replies 1 · Sep 29, 2004

Replies: 1

Calculate pH & Concentration of Acids & Bases in Solution

Jack16
Sep 25, 2004 · Replies 4 · Sep 28, 2004

Replies: 4

How do you react AL(NO3)3 + NH3

sfd101
Sep 27, 2004 · Replies 1 · Sep 28, 2004

Replies: 1

Biochem Problems: Nikki in NY Needs Help

RedVelvetCake
Sep 15, 2004 · Replies 15 · Sep 27, 2004

Replies: 15

BTU Q's about burning water vs. burning gassoline

MonstersFromTheId
Sep 24, 2004 · Replies 3 · Sep 27, 2004

Replies: 3

Solving Acids & Bases Questions - pH, Ionisation Constant

Jack16
Sep 25, 2004 · Replies 13 · Sep 27, 2004

Replies: 13

Help with these problems please

Lilly
Sep 23, 2004 · Replies 2 · Sep 26, 2004

Replies: 2

Dehydration Reaction: Example & Definition

dg_5021
Sep 25, 2004 · Replies 5 · Sep 26, 2004

Replies: 5

What Defines Organic Substances in Chemistry?

no idea
Sep 25, 2004 · Replies 5 · Sep 26, 2004

Replies: 5

Dehydration Reaction: Examples & Explanation

dg_5021
Sep 25, 2004 · Replies 2 · Sep 25, 2004

Replies: 2

Balanced Equations for AgNO3 + HCl, Zn + HCl, and C2H5OH + O2 Reactions

dg_5021
Sep 24, 2004 · Replies 5 · Sep 25, 2004

Replies: 5

Example of a Gas Producing Reaction

dg_5021
Sep 25, 2004 · Replies 1 · Sep 25, 2004

Replies: 1

Pentacoordination of Zinc: A Possibility or a Myth?

chem_tr
Sep 23, 2004 · Replies 5 · Sep 25, 2004

Replies: 5

A problem relating to density and layers

Skyblitz
Sep 24, 2004 · Replies 1 · Sep 25, 2004

Replies: 1

Molecular Oribtal theory, anyone?

kuenmao
Sep 24, 2004 · Replies 1 · Sep 25, 2004

Replies: 1

Calculating Volume of 6.0M H2SO4 to Make 0.25M Solution

scavok
Sep 24, 2004 · Replies 3 · Sep 24, 2004

Replies: 3

Calculate the volumes of air and hydrogen gas

Lilly
Sep 22, 2004 · Replies 2 · Sep 23, 2004

Replies: 2

Partial Pressure Q: Solving for CO2 in Closed Container

Cyto
Sep 23, 2004 · Replies 3 · Sep 23, 2004

Replies: 3

Experiment may be the tiration, techniques, experiments

leo4002
Sep 22, 2004 · Replies 3 · Sep 23, 2004

Replies: 3

Calculating Molar Mass of an Unknown Gas from Effusion Rate

Lilly
Sep 22, 2004 · Replies 1 · Sep 23, 2004

Replies: 1

Seven Carbon Alkene with one Stereogenic Center

maverick280857
Sep 22, 2004 · Replies 2 · Sep 22, 2004

Replies: 2

Are Multiple Stereoisomers Produced in Hydroxylation Reactions of Alkenes?

maverick280857
Sep 22, 2004 · Replies 4 · Sep 22, 2004

Replies: 4

Calcium Sulfate Dihydrate Reaction w/ Water - Fred

Mathman23
Sep 21, 2004 · Replies 1 · Sep 21, 2004

Replies: 1

What is the ph of .035M acetic acid ?

vikki99
Sep 19, 2004 · Replies 4 · Sep 21, 2004

Replies: 4

Finding Online Handbook for Reactants Properties

asfd
Sep 20, 2004 · Replies 7 · Sep 21, 2004

Replies: 7

Request advice on right application of NaOH or KOH

nightcleaner
Sep 16, 2004 · Replies 5 · Sep 20, 2004

Replies: 5

Which Of The Following Statements Are Correct?

Jack16
Sep 20, 2004 · Replies 2 · Sep 20, 2004

Replies: 2

sidebar

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.

Hot Threads

Cyano substituted hydrazines
- Started by hilbert2
- Feb 18, 2026
- Replies: 21
- Chemistry
Q
Affordable way to remove potassium from off-grid water?
- Started by questions8938
- Mar 15, 2026
- Replies: 8
- Chemistry
L
Side reactions while dissolving silver
- Started by ldanielrosa
- Mar 24, 2026
- Replies: 8
- Chemistry
R
Why is AuCl4 an anion?
- Started by Redriq1
- Mar 5, 2026
- Replies: 6
- Chemistry
E
Racemic mixtures versus achiral compounds
- Started by emitted_echo
- Mar 18, 2026
- Replies: 3
- Chemistry

Top