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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 Hydrogen Fluoride (HF) Pose a Danger?

ShawnD
Jan 28, 2005 · Replies 6 · Jan 30, 2005

Replies: 6

About the substitution reaction

vicki
Jan 30, 2005 · Replies 1 · Jan 30, 2005

Replies: 1

Why are liquids generally less dense than solids?

wasteofo2
Jan 29, 2005 · Replies 4 · Jan 29, 2005

Replies: 4

Partial Pressure of Kr in a N2/Kr Mixture (0.505 atm)

parwana
Jan 29, 2005 · Replies 4 · Jan 29, 2005

Replies: 4

Reaction of acetone with oxalic ester

maverick280857
Jan 20, 2005 · Replies 10 · Jan 29, 2005

Replies: 10

What is the estimated width of stearic acid molecules in water?

physicsss
Jan 28, 2005 · Replies 2 · Jan 29, 2005

Replies: 2

HOF: Is It Known to Exist at Normal Temperatures?

maverick280857
Jan 27, 2005 · Replies 5 · Jan 28, 2005

Replies: 5

Determining Delta S of Cl2 + Br2 --> 2BrCl

qwexor
Jan 27, 2005 · Replies 5 · Jan 28, 2005

Replies: 5

Phenophthalien Test: Investigating Blood Evidence in Bathtubs

munky99999
Jan 21, 2005 · Replies 5 · Jan 28, 2005

Replies: 5

Functional groups present are: C=O and NH2

garytse86
Jan 27, 2005 · Replies 3 · Jan 28, 2005

Replies: 3

Calculate % Silicon in Silicate Mineral | Danne

danne89
Jan 26, 2005 · Replies 24 · Jan 28, 2005

Replies: 24

How to Determine if a Molecule is Optically Active

nemzy
Jan 28, 2005 · Replies 2 · Jan 28, 2005

Replies: 2

Applying Chemistry to the real world

physicsss
Jan 20, 2005 · Replies 7 · Jan 28, 2005

Replies: 7

Polar aprotic solvent sn2 rate

fish
Jan 27, 2005 · Replies 1 · Jan 27, 2005

Replies: 1

Energy Exchange in N2 + H2 Reaction: Examining the Bond Changes

Erin_Sharpe
Jan 27, 2005 · Replies 1 · Jan 27, 2005

Replies: 1

Synthesis of a nitrile from an amide

chem_tr
Jan 26, 2005 · Replies 4 · Jan 27, 2005

Replies: 4

Differences Between Hydrogen & H2O Bonds

ConcealedDreamer
Jan 26, 2005 · Replies 1 · Jan 26, 2005

Replies: 1

Understanding the Composition of Na4AlF6: A Comprehensive Analysis

danne89
Jan 25, 2005 · Replies 5 · Jan 25, 2005

Replies: 5

Identifying Organic Compound - Organic Chemistry

ChrisHarvey
Jan 16, 2005 · Replies 7 · Jan 25, 2005

Replies: 7

Br2, is known to contain two atoms of bromine

physicsss
Jan 22, 2005 · Replies 20 · Jan 25, 2005

Replies: 20

Where Can I Find Affordable Chemicals for Etching Steel?

DocToxyn
Jan 20, 2005 · Replies 8 · Jan 24, 2005

Replies: 8

Why is AI3 a conductor and Aluminum Trioxide is not?

physicsss
Jan 23, 2005 · Replies 1 · Jan 24, 2005

Replies: 1

Moles 0_2_(g) React to Produce H_2O_(g)

Eich
Jan 21, 2005 · Replies 8 · Jan 23, 2005

Replies: 8

Ethers are such compounds as Methoxymethane and Propoxyoctane

The Bob
Jan 23, 2005 · Replies 4 · Jan 23, 2005

Replies: 4

Why is it important to release and remeasure gas during mass measurement?

z-component
Jan 21, 2005 · Replies 3 · Jan 22, 2005

Replies: 3

Miscibility of Water and Ethanol

ChemRookie
Jan 21, 2005 · Replies 2 · Jan 22, 2005

Replies: 2

Determine the pressure of a gas in a manometer?

z-component
Jan 14, 2005 · Replies 4 · Jan 21, 2005

Replies: 4

How do Electrorheological fluids work?

Arsonade
Jan 17, 2005 · Replies 6 · Jan 21, 2005

Replies: 6

What Happened in the Chemistry Lab Experiment?

danne89
Jan 19, 2005 · Replies 8 · Jan 21, 2005

Replies: 8

Chemical compositon of sugar [substitutes]

mrjeffy321
Jan 14, 2005 · Replies 5 · Jan 21, 2005

Replies: 5

Preparing Isopentyl Acetate: Why Extra Acetic Acid is Needed

nemzy
Jan 19, 2005 · Replies 2 · Jan 21, 2005

Replies: 2

Testing for Sulfate Ions in Tap Water

Erin_Sharpe
Jan 19, 2005 · Replies 6 · Jan 21, 2005

Replies: 6

Solving Thermite Reaction: 1 Mole Al + 10.0g Fe2O3

chemister
Jan 19, 2005 · Replies 4 · Jan 21, 2005

Replies: 4

Having a problem with atom/ion radius

walker
Jan 20, 2005 · Replies 4 · Jan 21, 2005

Replies: 4

Which Cannot Determine Molar Mass?

apchemstudent
Jan 18, 2005 · Replies 2 · Jan 20, 2005

Replies: 2

Determination of the atomic radius of an Al atom

dajugganaut
Jan 19, 2005 · Replies 3 · Jan 20, 2005

Replies: 3

Hydrogenation of 1-Octene to n-Octene

nemzy
Jan 19, 2005 · Replies 1 · Jan 20, 2005

Replies: 1

Order Chemistry Supplies: Home Lab Set-up Help

EProph
Jan 19, 2005 · Replies 3 · Jan 20, 2005

Replies: 3

A Question about Chromatography

kalladin
Jan 18, 2005 · Replies 2 · Jan 19, 2005

Replies: 2

Calculating Unreacted Al in Thermite Reaction

chemister
Jan 19, 2005 · Replies 3 · Jan 19, 2005

Replies: 3

Bleaching Cheap Golf Balls - How to Make Them The Right Color

munky99999
Jan 18, 2005 · Replies 5 · Jan 19, 2005

Replies: 5

How Does Beta Carotene Convert to Vitamin A?

chemister
Jan 18, 2005 · Replies 1 · Jan 19, 2005

Replies: 1

Alkene Reactions: Help with Understanding & Memorizing

tipton12
Jan 18, 2005 · Replies 2 · Jan 18, 2005

Replies: 2

What is the sigma bond count for 2 hydrogen in sulfuric acid?

FBInstant
Jan 17, 2005 · Replies 3 · Jan 18, 2005

Replies: 3

Do More Double Bonds in Hydrocarbons Require Higher Melting Temperatures?

nemzy
Jan 17, 2005 · Replies 4 · Jan 17, 2005

Replies: 4

Relating Molar Enthelpy of Oil to Something: Need Lab Ideas

nobb
Jan 15, 2005 · Replies 4 · Jan 17, 2005

Replies: 4

Help with 'elementary' question

Bladibla
Jan 16, 2005 · Replies 4 · Jan 17, 2005

Replies: 4

Physical Chemistry Degree: Subjects Needed

Bladibla
Jan 16, 2005 · Replies 3 · Jan 17, 2005

Replies: 3

How to Calculate Delta H for Chemical Reactions Using Given Data and Equations?

bard
Jan 16, 2005 · Replies 2 · Jan 16, 2005

Replies: 2

Organic Chemistry: Get Spider Diagram for AS Level

amo1
Jan 15, 2005 · Replies 4 · Jan 16, 2005

Replies: 4

Production of Tylenol and Advil: Researching Reactions & Factors

decamij
Jan 16, 2005 · Replies 3 · Jan 16, 2005

Replies: 3

Reaction of 1-chloro-2-propanol with hydrogen halides

maverick280857
Jan 14, 2005 · Replies 5 · Jan 16, 2005

Replies: 5

Bond sizes in organic chemistry

decamij
Jan 15, 2005 · Replies 3 · Jan 15, 2005

Replies: 3

Is Low Solubility of ASA Beneficial for its Effectiveness in the Human Body?

decamij
Jan 15, 2005 · Replies 1 · Jan 15, 2005

Replies: 1

Questions about the separating mixture

xyzphineR
Jan 13, 2005 · Replies 4 · Jan 15, 2005

Replies: 4

A Carbon skeleton with 2 diff functional groups

nemzy
Jan 12, 2005 · Replies 4 · Jan 15, 2005

Replies: 4

Hydrogen peroxide decomposes to form water and oxygen

PRINCESS NOOR
Jan 14, 2005 · Replies 1 · Jan 14, 2005

Replies: 1

Calculating CH3OH Yield: Limiting Reactions of CO and H2 in Chemical Reaction

starsun
Jan 13, 2005 · Replies 4 · Jan 14, 2005

Replies: 4

Calculating Equilibrium Amounts for Ammonium Hydrogen Sulfide Decomposition

maverick280857
Jan 9, 2005 · Replies 16 · Jan 14, 2005

Replies: 16

Balanced Reactions and Mechanisms

MusicMonkey
Jan 10, 2005 · Replies 5 · Jan 13, 2005

Replies: 5

Calculating Avogadro's number from scratch

jetset
Jan 10, 2005 · Replies 15 · Jan 13, 2005

Replies: 15

Element that is also a molecule?

chemister
Jan 10, 2005 · Replies 10 · Jan 12, 2005

Replies: 10

Supercritic CO2 as an extraction solvent

asfd
Jan 12, 2005 · Replies 1 · Jan 12, 2005

Replies: 1

Heat Capacity iron heating water

bjorn
Jan 12, 2005 · Replies 3 · Jan 12, 2005

Replies: 3

Chemical Bonding: NaOH Explained

danne89
Jan 12, 2005 · Replies 6 · Jan 12, 2005

Replies: 6

Chemical Equilibrium Problem #2

maverick280857
Jan 9, 2005 · Replies 5 · Jan 12, 2005

Replies: 5

Calculating Electric Field Ratios for H+ and K+ Ions

nemzy
Jan 12, 2005 · Replies 1 · Jan 12, 2005

Replies: 1

Find 0.1M NaOH Vol for 1L: 50% NaOH Soln

Corky
Jan 11, 2005 · Replies 1 · Jan 12, 2005

Replies: 1

Sample of glucose (C6H12O6) contains 0.75 moles of Oxygen

chemister
Jan 11, 2005 · Replies 1 · Jan 11, 2005

Replies: 1

Difference between molecules and compounds

chemister
Jan 10, 2005 · Replies 2 · Jan 10, 2005

Replies: 2

How do i draw the structure of O-iodotoulene?

Itachi
Jan 10, 2005 · Replies 3 · Jan 10, 2005

Replies: 3

Unravelling the Mystery of VSEPR Theory

Cheman
Jan 9, 2005 · Replies 3 · Jan 10, 2005

Replies: 3

Mark-Houwink-Sakurada constants - HELP

altered-gravity
Jan 4, 2005 · Replies 1 · Jan 8, 2005

Replies: 1

Understanding Equilibrium and Buffer Solutions

[aq]
Jan 8, 2005 · Replies 7 · Jan 8, 2005

Replies: 7

Interactions with the mobile phase

mountain
Jan 7, 2005 · Replies 2 · Jan 8, 2005

Replies: 2

Uncovering the True Nature of NOx Production in Heat Engines

Clausius2
Jan 3, 2005 · Replies 7 · Jan 8, 2005

Replies: 7

Electron Shielding: Understanding the Role of Orbital Repulsion

Bladibla
Dec 18, 2004 · Replies 4 · Jan 8, 2005

Replies: 4

Organic Chemistry Molecular Model Kits: Recommendations and Reviews

amb123
Jan 7, 2005 · Replies 2 · Jan 7, 2005

Replies: 2

How to combine elements of differing ionic charge

relativitydude
Jan 7, 2005 · Replies 3 · Jan 7, 2005

Replies: 3

Calculating Mass of Carbon 12 Atoms

vt33
Jan 6, 2005 · Replies 3 · Jan 7, 2005

Replies: 3

Very simple polar covalent bond questions

nemzy
Jan 6, 2005 · Replies 4 · Jan 6, 2005

Replies: 4

How Do You Conduct Chemical Tests to Identify an Unknown Acid?

thick1
Jan 6, 2005 · Replies 2 · Jan 6, 2005

Replies: 2

End result when you break a proton down?

UrbanXrisis
Dec 26, 2004 · Replies 12 · Jan 5, 2005

Replies: 12

Heat of Reaction - Calculations Help

BH20
Jan 2, 2005 · Replies 7 · Jan 5, 2005

Replies: 7

Nuclear Bombs and EMP: How Gamma Rays Can Cause Electronic Chaos

ConcealedDreamer
Jan 2, 2005 · Replies 1 · Jan 4, 2005

Replies: 1

What is the function of a thistle tube in a laboratory setting?

apchemstudent
Dec 23, 2004 · Replies 6 · Dec 29, 2004

Replies: 6

Can Air Be Frozen? Water Vapor Facts

ConcealedDreamer
Dec 28, 2004 · Replies 2 · Dec 29, 2004

Replies: 2

Lab Setup Question: Why was the CaCl2 Tube Used?

apchemstudent
Dec 27, 2004 · Replies 2 · Dec 28, 2004

Replies: 2

Can salt lower the freezing point of substances and make them harder to melt?

MercuryRising
Dec 16, 2004 · Replies 5 · Dec 28, 2004

Replies: 5

Difference between bond polarity and molecular polarity?

UrbanXrisis
Dec 24, 2004 · Replies 20 · Dec 28, 2004

Replies: 20

Exploring Hexagonal, Face-Centered & Body-Centered Packings

BH20
Dec 25, 2004 · Replies 5 · Dec 28, 2004

Replies: 5

Calculating Ksp of Thallium Chloride at 100 Degrees Celsius

[aq]
Dec 27, 2004 · Replies 1 · Dec 27, 2004

Replies: 1

Why Zn + Vinegar Gas Collecting Setup Cannot be Used for Preparing H2

apchemstudent
Dec 27, 2004 · Replies 1 · Dec 27, 2004

Replies: 1

Formation of a White Precipitate with Cl-, HNO3, AgNO3

primarygun
Dec 27, 2004 · Replies 1 · Dec 27, 2004

Replies: 1

Is the assertion true and the reason false?

apchemstudent
Dec 26, 2004 · Replies 3 · Dec 26, 2004

Replies: 3

Oxide layer of iron cannot protect iron

primarygun
Dec 23, 2004 · Replies 4 · Dec 26, 2004

Replies: 4

Normal electron configuration Ethyne

apchemstudent
Dec 24, 2004 · Replies 7 · Dec 25, 2004

Replies: 7

Why does the number of carbon atoms affect the burning speed of explosives?

Dual Op Amp
Nov 17, 2004 · Replies 8 · Dec 24, 2004

Replies: 8

Thermodynamics: Equilibrium HELP

apchemstudent
Dec 16, 2004 · Replies 8 · Dec 23, 2004

Replies: 8

What elements of Gen. Chemistry I are important in II

relativitydude
Dec 20, 2004 · Replies 6 · Dec 23, 2004

Replies: 6

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.

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