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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 cold water instead of hot water for rinsing a jacuzzi tub?

Nov 15, 2010 · Replies 5 · Nov 18, 2010

Replies: 5

Views: 6K

Some elements react with certain elements better than others ?

Nov 16, 2010 · Replies 8 · Nov 18, 2010

Replies: 8

Views: 6K

Stability of Paired vs. Unpaired Electrons

Nov 16, 2010 · Replies 8 · Nov 17, 2010

Replies: 8

Views: 10K

Melting-Why do intermolecular bonds weaken?

Nov 15, 2010 · Replies 7 · Nov 17, 2010

Replies: 7

Views: 8K

Looking for Henry's Law Constant table for CO2

Nov 16, 2010 · Replies 2 · Nov 16, 2010

Replies: 2

Views: 8K

Nitrobenzene/phenol/aspirin synthesis

Nov 11, 2010 · Replies 11 · Nov 16, 2010

Replies: 11

Views: 16K

Finding out the concentration of an acid or base

May 7, 2004 · Replies 3 · Nov 15, 2010

Replies: 3

Views: 14K

Endothermic Reactions: Coupling & Cooling Environment

Nov 9, 2010 · Replies 2 · Nov 15, 2010

Replies: 2

Views: 4K

Hybridization and Sigma and Pi bonds

Nov 9, 2010 · Replies 2 · Nov 15, 2010

Replies: 2

Views: 7K

When the electrons in silicon are excited by visible light and jump

Nov 14, 2010 · Replies 1 · Nov 15, 2010

Replies: 1

Views: 3K

Delta Bonds Explained: What, How & Why

Aug 25, 2005 · Replies 6 · Nov 14, 2010

Replies: 6

Views: 17K

Comparing Boiling Points of Two Pairs of Materials

Nov 14, 2010 · Replies 7 · Nov 14, 2010

Replies: 7

Views: 8K

Determination of iron purity by redox reaction

Nov 13, 2010 · Replies 1 · Nov 13, 2010

Replies: 1

Views: 5K

How does a primary amine react with phthalic anhydride to form an imide?

Nov 9, 2010 · Replies 3 · Nov 13, 2010

Replies: 3

Views: 6K

What happens when an acid or base reacts with a metal, for example, Mg.

Nov 2, 2010 · Replies 2 · Nov 12, 2010

Replies: 2

Views: 6K

Why and how does soda ash appear while soap is curing?

Dec 16, 2009 · Replies 12 · Nov 12, 2010

Replies: 12

Views: 27K

Where to download ChemDraw templates

Nov 12, 2010 · Replies 1 · Nov 12, 2010

Replies: 1

Views: 24K

Relationship between cell potential and concentration

Nov 10, 2010 · Replies 1 · Nov 11, 2010

Replies: 1

Views: 4K

Is there a specific length of time for cold process saponification?

Dec 19, 2009 · Replies 5 · Nov 10, 2010

Replies: 5

Views: 10K

Math Chemistry: Can an Undergrad Research?

Nov 2, 2010 · Replies 3 · Nov 10, 2010

Replies: 3

Views: 5K

Disagreements in published boiling temperatures of tin, gallium etc.

Nov 9, 2010 · Replies 1 · Nov 9, 2010

Replies: 1

Views: 2K

What are the names of the molecules C3H8, SO3, F2, and KBr?

Nov 9, 2010 · Replies 5 · Nov 9, 2010

Replies: 5

Views: 3K

Figuring Out the Shape of Molecules

Nov 9, 2010 · Replies 1 · Nov 9, 2010

Replies: 1

Views: 3K

Do electrons stay in orbit around the nucleus in the same way

Nov 5, 2010 · Replies 2 · Nov 9, 2010

Replies: 2

Views: 5K

Do you know where i can get a flow sheet for the synthesis of Carbon 60 ?

Nov 8, 2010 · Replies 1 · Nov 8, 2010

Replies: 1

Views: 2K

Enantiomerism and Conformation .

Nov 8, 2010 · Replies 2 · Nov 8, 2010

Replies: 2

Views: 3K

Liquid moving up a containers walls

Nov 7, 2010 · Replies 4 · Nov 8, 2010

Replies: 4

Views: 3K

Is Dried Superglue Flammable When Used in Welding?

Nov 7, 2010 · Replies 1 · Nov 8, 2010

Replies: 1

Views: 17K

Alkyl Groups: Why is C2 an Alkyl Group?

Nov 7, 2010 · Replies 1 · Nov 8, 2010

Replies: 1

Views: 2K

Webpage title: What are the Rate Equations for a Parallel Reversible Reaction?

Oct 26, 2010 · Replies 1 · Nov 7, 2010

Replies: 1

Views: 4K

Is the Pauli Exclusion Principle Linked to Chemical Stability?

Oct 26, 2010 · Replies 1 · Nov 7, 2010

Replies: 1

Views: 2K

Pka of residues in an active site of protein

Nov 6, 2010 · Replies 1 · Nov 7, 2010

Replies: 1

Views: 4K

What characteristic of a base enables it to ''accept'' Hydrogen Ions?

Nov 7, 2010 · Replies 2 · Nov 7, 2010

Replies: 2

Views: 3K

The compounds of acids are held together in ionic bonds?

Nov 6, 2010 · Replies 7 · Nov 7, 2010

Replies: 7

Views: 10K

Empirical formula for these ionic materials

Nov 7, 2010 · Replies 2 · Nov 7, 2010

Replies: 2

Views: 2K

Calculate Density of Carbon Atom Nuclear

Nov 6, 2010 · Replies 4 · Nov 6, 2010

Replies: 4

Views: 2K

How difficult is it to extract and crystallize alpha-amylase from human saliva?

Nov 4, 2010 · Replies 4 · Nov 6, 2010

Replies: 4

Views: 7K

An acid disassociate in water because

Nov 5, 2010 · Replies 3 · Nov 6, 2010

Replies: 3

Views: 3K

1/4th Life expression for First Order Rxn

Nov 5, 2010 · Replies 2 · Nov 6, 2010

Replies: 2

Views: 12K

Bonds Form When Energy is Gained: Na Cation

Nov 4, 2010 · Replies 4 · Nov 5, 2010

Replies: 4

Views: 2K

Electrochemistry Question, Galvanic/Daniel Cell

Nov 4, 2010 · Replies 3 · Nov 5, 2010

Replies: 3

Views: 4K

What is the molar heat of combustion for ethanol?

Nov 4, 2010 · Replies 3 · Nov 4, 2010

Replies: 3

Views: 5K

Detail for Hard Water and Soft Help

Nov 4, 2010 · Replies 1 · Nov 4, 2010

Replies: 1

Views: 2K

Crystal-Bravis Lattice Definitions

Nov 2, 2010 · Replies 4 · Nov 4, 2010

Replies: 4

Views: 4K

Find Elements in Chemical Formulas - Get Names

Nov 3, 2010 · Replies 10 · Nov 4, 2010

Replies: 10

Views: 3K

Calculate \Delta H_{rxn}\circ for 2Al_{2}O_{3} to 4Al+3O_{2}

Nov 4, 2010 · Replies 1 · Nov 4, 2010

Replies: 1

Views: 19K

Imine/Amine with NaBH4/H3O+ question w/ pics

Nov 3, 2010 · Replies 3 · Nov 4, 2010

Replies: 3

Views: 21K

Learn chemical reaction equations?

Nov 3, 2010 · Replies 5 · Nov 3, 2010

Replies: 5

Views: 5K

What is the Stock System in Chemistry?

Nov 2, 2010 · Replies 1 · Nov 3, 2010

Replies: 1

Views: 2K

Atomic mass unit and Molar mass

Oct 31, 2010 · Replies 10 · Nov 3, 2010

Replies: 10

Views: 26K

In order for a compound to be an acid/base

Nov 2, 2010 · Replies 3 · Nov 3, 2010

Replies: 3

Views: 2K

Synthesis of keytones/aldehydes from ethanol formed from E1 (alkoxide reagent)?

Nov 2, 2010 · Replies 3 · Nov 3, 2010

Replies: 3

Views: 3K

Can UN Uranium Nitride Split Molecules and Survive the Process?

Nov 2, 2010 · Replies 1 · Nov 3, 2010

Replies: 1

Views: 2K

Understanding Syn and Anti Elimination in E2 and Sn2 Reactions

Oct 27, 2010 · Replies 6 · Nov 2, 2010

Replies: 6

Views: 21K

Can You Leave Out the 1's When Naming Organic Compounds?

Nov 1, 2010 · Replies 2 · Nov 2, 2010

Replies: 2

Views: 4K

Chemical Compounds: Covalent & Ionic Bonding Explained

Nov 1, 2010 · Replies 8 · Nov 2, 2010

Replies: 8

Views: 3K

Neutralization reaction: NaCl + H2O

Nov 2, 2010 · Replies 8 · Nov 2, 2010

Replies: 8

Views: 2K

Chemical reaction with both O2 and CO2 released as products?

Nov 2, 2010 · Replies 1 · Nov 2, 2010

Replies: 1

Views: 3K

How Old Are The Atoms In Our Body?

Nov 1, 2010 · Replies 3 · Nov 1, 2010

Replies: 3

Views: 19K

Reaction Rate Order for High Temperature Gas-Solid Reactions

Nov 1, 2010 · Replies 2 · Nov 1, 2010

Replies: 2

Views: 4K

What are the principles of covalent and ionic bonds?

Nov 1, 2010 · Replies 1 · Nov 1, 2010

Replies: 1

Views: 3K

Ranking Nucleophiles: Understanding Reactivity and Polarizability

Oct 30, 2010 · Replies 1 · Nov 1, 2010

Replies: 1

Views: 5K

Please Explain this reation to me Very Briefly

Oct 30, 2010 · Replies 8 · Nov 1, 2010

Replies: 8

Views: 3K

Benzoic acid Molar Extinction Coefficient

Oct 30, 2010 · Replies 6 · Oct 31, 2010

Replies: 6

Views: 22K

Reaction of halogen with potassium halide

Oct 31, 2010 · Replies 1 · Oct 31, 2010

Replies: 1

Views: 5K

Flame retardant properties of citric acid

Oct 31, 2010 · Replies 1 · Oct 31, 2010

Replies: 1

Views: 4K

Why is it iron 2 and not iron 3?

Oct 30, 2010 · Replies 2 · Oct 30, 2010

Replies: 2

Views: 2K

Determining keto/enol ratio with IR

Oct 27, 2010 · Replies 4 · Oct 30, 2010

Replies: 4

Views: 8K

VSEPR Theory - not homework related

Oct 30, 2010 · Replies 1 · Oct 30, 2010

Replies: 1

Views: 2K

Alkali hydrides in org. synthesis

Oct 20, 2010 · Replies 3 · Oct 30, 2010

Replies: 3

Views: 3K

Reasons for unusual infrared spectrum?

Oct 25, 2010 · Replies 5 · Oct 30, 2010

Replies: 5

Views: 5K

Sodium Ferrocyanide - 60 year old antique chemset

Oct 28, 2010 · Replies 5 · Oct 29, 2010

Replies: 5

Views: 4K

Prepare for P-Chem: Physics Re-Take or What to Do?

Oct 27, 2010 · Replies 2 · Oct 29, 2010

Replies: 2

Views: 2K

What is the color of oxygen gas?

Oct 28, 2010 · Replies 5 · Oct 29, 2010

Replies: 5

Views: 17K

Is there a mistake in my homework question?

Oct 27, 2010 · Replies 6 · Oct 29, 2010

Replies: 6

Views: 2K

Chemistry: oxy acids, acid salts

Oct 25, 2010 · Replies 4 · Oct 28, 2010

Replies: 4

Views: 3K

Can Atoms Have More Electrons Than Protons?

Oct 27, 2010 · Replies 10 · Oct 28, 2010

Replies: 10

Views: 2K

Troubleshooting Buffer Solution Titration | Identifying Unknown Buffer in Lab"

Oct 24, 2010 · Replies 11 · Oct 28, 2010

Replies: 11

Views: 7K

What is the connection between mathematics and Hess's Law?

Oct 27, 2010 · Replies 1 · Oct 28, 2010

Replies: 1

Views: 4K

What affects the solubility of CaSO4 in different solvents?

Oct 27, 2010 · Replies 1 · Oct 28, 2010

Replies: 1

Views: 3K

Buy or make magnesium (local only)

Oct 24, 2010 · Replies 7 · Oct 27, 2010

Replies: 7

Views: 4K

An old fashioned question about bleach

Oct 27, 2010 · Replies 2 · Oct 27, 2010

Replies: 2

Views: 2K

HNO3 & CH3COONa: A Buffer Solution That Doesn't Follow the Rules

Oct 25, 2010 · Replies 7 · Oct 26, 2010

Replies: 7

Views: 9K

Answer "Monosaccharides: Why 3 Carbon Atoms?

Oct 16, 2010 · Replies 2 · Oct 26, 2010

Replies: 2

Views: 3K

Dipoles, Quadrupoles, Octopoles, and higher multipoles

Oct 25, 2010 · Replies 2 · Oct 26, 2010

Replies: 2

Views: 3K

Bonding properties of silicon (001) wafer

Oct 14, 2010 · Replies 6 · Oct 26, 2010

Replies: 6

Views: 5K

Navigating an Unfamiliar Chemistry Course

Sep 2, 2007 · Replies 5 · Oct 25, 2010

Replies: 5

Views: 6K

Protein Dynamics By Raman Spectroscopy

Oct 9, 2010 · Replies 2 · Oct 25, 2010

Replies: 2

Views: 3K

Synthesizing Phenyl Salicylate: Dehydrate Salicylic Acid

Oct 24, 2010 · Replies 8 · Oct 25, 2010

Replies: 8

Views: 6K

Will NaOH dissolve aluminum without damaging fiberglass?

Jan 1, 2006 · Replies 32 · Oct 25, 2010

2

Replies: 32

Views: 81K

Simple electronic configuration question.

Oct 24, 2010 · Replies 1 · Oct 24, 2010

Replies: 1

Views: 3K

What are the ingredients in two-part pourable urethane foam?

Oct 23, 2010 · Replies 2 · Oct 24, 2010

Replies: 2

Views: 3K

How Is Bond Length Calculated?

Oct 20, 2010 · Replies 2 · Oct 24, 2010

Replies: 2

Views: 5K

Why do Atoms Stay in Lowest Potential Energy State?

Oct 21, 2010 · Replies 2 · Oct 23, 2010

Replies: 2

Views: 5K

What is the method for calculating atomic mass from isotopes?

Oct 20, 2010 · Replies 2 · Oct 20, 2010

Replies: 2

Views: 3K

One Alternate View of the Periodic Table

Oct 18, 2010 · Replies 3 · Oct 20, 2010

Replies: 3

Views: 6K

What is the Theory Behind Acid-Base Extraction?

Oct 19, 2010 · Replies 1 · Oct 19, 2010

Replies: 1

Views: 8K

Why are Ionic Hydrides more denser?

Oct 15, 2010 · Replies 2 · Oct 19, 2010

Replies: 2

Views: 6K

Is the lattice energy of Al2O3 greater than that of AlF3?

Oct 15, 2010 · Replies 3 · Oct 19, 2010

Replies: 3

Views: 6K

Why Doesn't Aluminium Corrode?

Oct 13, 2010 · Replies 13 · Oct 18, 2010

Replies: 13

Views: 12K

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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