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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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How do you find the molecular mass and formula using gas densities?

Feb 1, 2012 · Replies 2 · Feb 2, 2012

Replies: 2

Views: 3K

Toxicity in reactions between liquid paraffin and polyurethane/polyethylene

Jan 29, 2012 · Replies 1 · Feb 1, 2012

Replies: 1

Views: 3K

Boric Acid as a Weak Monobasic Acid - Is it Really?

Feb 1, 2012 · Replies 2 · Feb 1, 2012

Replies: 2

Views: 3K

What would be the motion of electrons in a pi-bond?

Jan 31, 2012 · Replies 3 · Feb 1, 2012

Replies: 3

Views: 2K

Why isnt there a dps3d hybridisation?

Jan 31, 2012 · Replies 5 · Feb 1, 2012

Replies: 5

Views: 7K

Can someone please check this chemical equation?

Jan 30, 2012 · Replies 2 · Jan 31, 2012

Replies: 2

Views: 2K

13C NMR Question Reagarding Upfield/Downfield

Jan 30, 2012 · Replies 1 · Jan 31, 2012

Replies: 1

Views: 7K

What is the Role of Diaphragms in Charge Transfer in Chemistry?

Jan 18, 2012 · Replies 2 · Jan 31, 2012

Replies: 2

Views: 3K

How Did Rutherford's Experiment Challenge the Plum Pudding Model?

Jan 28, 2012 · Replies 4 · Jan 31, 2012

Replies: 4

Views: 4K

Can this electrochemical reaction be explained? Steel, copper and electricity

Jan 29, 2012 · Replies 1 · Jan 30, 2012

Replies: 1

Views: 3K

Why are some salts colored even with all electrons paired?

Jan 29, 2012 · Replies 3 · Jan 30, 2012

Replies: 3

Views: 3K

How chirality helps in polarsing?

Jan 30, 2012 · Replies 2 · Jan 30, 2012

Replies: 2

Views: 2K

Why Are Human Hands Considered Chiral?

Jan 29, 2012 · Replies 3 · Jan 30, 2012

Replies: 3

Views: 5K

Why Does the Growth-Rate of a Titration Curve Vary?

Aug 3, 2011 · Replies 4 · Jan 29, 2012

Replies: 4

Views: 14K

Doubts regarding Atomic mass,relative atomic mass and mass number.

Jan 29, 2012 · Replies 1 · Jan 29, 2012

Replies: 1

Views: 4K

Can you make bio-diesel at home with ethanol instead of methanol?

Jan 11, 2012 · Replies 2 · Jan 29, 2012

Replies: 2

Views: 5K

What is the rate law for the Eigen-Wilkins reaction mechanism?

Jan 28, 2012 · Replies 2 · Jan 29, 2012

Replies: 2

Views: 5K

Why are carbon electrodes neutral in electrolysis of water?

Jan 23, 2012 · Replies 1 · Jan 28, 2012

Replies: 1

Views: 4K

What is the difference between atomic mass and molar mass in chemistry?

Jan 22, 2012 · Replies 1 · Jan 28, 2012

Replies: 1

Views: 4K

Half reaction/ ion electron method

Jan 25, 2012 · Replies 1 · Jan 28, 2012

Replies: 1

Views: 3K

Calculating Density of 0.7M NaOH Solution | Jim

Sep 12, 2004 · Replies 5 · Jan 28, 2012

Replies: 5

Views: 34K

Transition metals melting points

Jan 28, 2012 · Replies 2 · Jan 28, 2012

Replies: 2

Views: 3K

Why Does Metallic Radius Decrease Across a Period in Transition Metals?

Jan 28, 2012 · Replies 3 · Jan 28, 2012

Replies: 3

Views: 3K

Salting out and organic solvents

Jan 15, 2012 · Replies 4 · Jan 27, 2012

Replies: 4

Views: 6K

Whats the heat capacity of NaOH I can't find it anywhere?

Apr 13, 2005 · Replies 8 · Jan 26, 2012

Replies: 8

Views: 30K

Why Does Ionization Energy Increase Across the Second Period?

Jan 25, 2012 · Replies 2 · Jan 26, 2012

Replies: 2

Views: 5K

How can you make ice sink in water without using a wire mesh?

Mar 23, 2008 · Replies 21 · Jan 25, 2012

Replies: 21

Views: 62K

Rate of displacement of individual gas molecule help

Jan 24, 2012 · Replies 2 · Jan 24, 2012

Replies: 2

Views: 2K

How efficient is the process of creating CH4 from excess green energy?

Jan 21, 2012 · Replies 6 · Jan 24, 2012

Replies: 6

Views: 24K

Can the amount of product at a given time be calculated with multiple reactants?

Jan 23, 2012 · Replies 1 · Jan 23, 2012

Replies: 1

Views: 3K

Mole Fraction of O2 to Mass of O2

Jan 21, 2012 · Replies 3 · Jan 22, 2012

Replies: 3

Views: 5K

Partial Pressure: Understanding CHCl3 & (C2H5)2O

Jan 20, 2012 · Replies 5 · Jan 21, 2012

Replies: 5

Views: 5K

Why Multiply the Rate Equation by the Coefficient?

Jan 18, 2012 · Replies 12 · Jan 21, 2012

Replies: 12

Views: 3K

Why Permanganate Isn't a Coordination Compound

Jan 21, 2012 · Replies 4 · Jan 21, 2012

Replies: 4

Views: 3K

Can I simulate molecular structures without being a chemist?

Jan 17, 2012 · Replies 4 · Jan 21, 2012

Replies: 4

Views: 3K

What the Heck? Chemistry Experts Needed NOW

Jan 20, 2012 · Replies 6 · Jan 21, 2012

Replies: 6

Views: 8K

Should the periodic table be revised to this?

Jan 19, 2012 · Replies 1 · Jan 20, 2012

Replies: 1

Views: 2K

Elements that can be oxidizing AND reducing agents?

Oct 19, 2011 · Replies 2 · Jan 19, 2012

Replies: 2

Views: 6K

Nitric Acid formation from NO2 and OH

Dec 22, 2011 · Replies 1 · Jan 19, 2012

Replies: 1

Views: 8K

How Does Wave Action Affect Oxygen Levels Near Shore?

Dec 22, 2011 · Replies 5 · Jan 19, 2012

Replies: 5

Views: 9K

Neutralize chlorine solution with sodium percarbonate solution

Dec 24, 2011 · Replies 4 · Jan 19, 2012

Replies: 4

Views: 10K

What's the Name of this compound

Jan 19, 2012 · Replies 1 · Jan 19, 2012

Replies: 1

Views: 2K

Why is the formation of ionic compounds exothermic?

Jan 16, 2012 · Replies 8 · Jan 19, 2012

Replies: 8

Views: 16K

Looking for a method to test sodium content in air

Jan 17, 2012 · Replies 1 · Jan 18, 2012

Replies: 1

Views: 2K

Help Needed: Calculating H and O from Cation Concentrations

Jan 18, 2012 · Replies 5 · Jan 18, 2012

Replies: 5

Views: 4K

How to read structural molecules?

Jan 17, 2012 · Replies 8 · Jan 17, 2012

Replies: 8

Views: 20K

Persistence Glowness of Platinum metal after heating

Jan 16, 2012 · Replies 3 · Jan 17, 2012

Replies: 3

Views: 2K

What is the reaction at the anode in this electrolysis experiment?

Jan 16, 2012 · Replies 5 · Jan 17, 2012

Replies: 5

Views: 3K

Any chemical reaction between air and vinegar?

Jan 15, 2012 · Replies 2 · Jan 16, 2012

Replies: 2

Views: 6K

What is the hybridization of the nitrogen atom in aniline?

Jan 15, 2012 · Replies 1 · Jan 16, 2012

Replies: 1

Views: 8K

What are Some High-Quality Safety Glasses for Chemical Engineering Labs?

Jan 15, 2012 · Replies 3 · Jan 15, 2012

Replies: 3

Views: 3K

How is the Calorimetry Mixture Problem Calculated?

Jan 11, 2012 · Replies 1 · Jan 15, 2012

Replies: 1

Views: 4K

How Does ΔS(total) = R*lnK Align with Entropy Being Zero at Equilibrium?

Jan 14, 2012 · Replies 9 · Jan 15, 2012

Replies: 9

Views: 3K

Alka-Seltzer + Soap reaction rate

Jan 12, 2012 · Replies 1 · Jan 14, 2012

Replies: 1

Views: 6K

What is this and how do I read it?

Jan 13, 2012 · Replies 4 · Jan 13, 2012

Replies: 4

Views: 2K

Identifying a Molecule - C8H8N4O2

Jan 11, 2012 · Replies 5 · Jan 12, 2012

Replies: 5

Views: 4K

Are there liquids that can generate high electrical output from random movement?

Jan 10, 2012 · Replies 2 · Jan 11, 2012

Replies: 2

Views: 3K

The logarithm in the entropy formula

Jan 16, 2011 · Replies 8 · Jan 11, 2012

Replies: 8

Views: 9K

Crest White Strips: Do They Work After Expiration?

Jun 16, 2008 · Replies 4 · Jan 10, 2012

Replies: 4

Views: 14K

Can titration curves be modeled with a sigmoid function?

Feb 23, 2007 · Replies 17 · Jan 10, 2012

Replies: 17

Views: 22K

Heating water at 100 °C without coolers?

Jan 10, 2012 · Replies 3 · Jan 10, 2012

Replies: 3

Views: 3K

Need reaction to recover Sulphur from Sulphur Dioxide

Jan 8, 2012 · Replies 1 · Jan 9, 2012

Replies: 1

Views: 3K

Reaction of alkaline earth metals with O 2

Jan 7, 2012 · Replies 3 · Jan 9, 2012

Replies: 3

Views: 3K

Are Cyclobutane chains possible?

Jan 8, 2012 · Replies 2 · Jan 9, 2012

Replies: 2

Views: 3K

How to prepare toluene solution?

Jan 8, 2012 · Replies 5 · Jan 8, 2012

Replies: 5

Views: 12K

Question about Delocalisation of Carboxylic Acid and Acctactiveness to Proton

Jan 7, 2012 · Replies 2 · Jan 8, 2012

Replies: 2

Views: 3K

[School project] Making diamond

Sep 29, 2011 · Replies 22 · Jan 7, 2012

Replies: 22

Views: 11K

Crystalline Nature: NACl & NA2CO3.10H2O Explained

Jan 7, 2012 · Replies 6 · Jan 7, 2012

Replies: 6

Views: 3K

Internal Energy: Definition & Difference from Enthalpy of Formation

Jan 6, 2012 · Replies 1 · Jan 7, 2012

Replies: 1

Views: 2K

Oxidative Additions: Don't Get How Metal Oxidizes?

Jan 2, 2012 · Replies 3 · Jan 3, 2012

Replies: 3

Views: 3K

Can sodium's reactivity be controlled by isolating it in a vacuum?

Jan 2, 2012 · Replies 3 · Jan 3, 2012

Replies: 3

Views: 3K

Does Electronegativity Vary in Different Bonded Atoms?

Dec 22, 2011 · Replies 6 · Jan 3, 2012

Replies: 6

Views: 4K

Find the pH of a 10-7 mol l-1 H2CO3 Solution: Explained

Dec 27, 2011 · Replies 6 · Jan 2, 2012

Replies: 6

Views: 4K

Is Silicon (Si) Unpaired Electrons?

Jan 1, 2012 · Replies 4 · Jan 2, 2012

Replies: 4

Views: 8K

Electrolysis Products: NaCL vs MgCL: 9th Grader's Science Fair

Jan 1, 2012 · Replies 4 · Jan 1, 2012

Replies: 4

Views: 4K

Gibbs Free Energy Change of a Reaction

Dec 28, 2011 · Replies 5 · Dec 31, 2011

Replies: 5

Views: 4K

Can you explain how vigorous vortex-ing can damage DNA?

Dec 27, 2011 · Replies 6 · Dec 30, 2011

Replies: 6

Views: 8K

Chromatography - What is a scouting gradient?

Dec 29, 2011 · Replies 2 · Dec 29, 2011

Replies: 2

Views: 7K

Monatomic hydrogen volume and diatomic hydrogen volume?

Dec 28, 2011 · Replies 1 · Dec 29, 2011

Replies: 1

Views: 3K

Electrolysis of Water: Oxygen & Hydrogen Travel

Dec 27, 2011 · Replies 7 · Dec 28, 2011

Replies: 7

Views: 4K

Why is it impossible to change the number of protons of an atom?

Dec 13, 2011 · Replies 14 · Dec 27, 2011

Replies: 14

Views: 27K

Motion Heat: Molecule Movement, Kinetic Energy

Dec 25, 2011 · Replies 4 · Dec 26, 2011

Replies: 4

Views: 3K

Help with a chemical equation please

Dec 25, 2011 · Replies 6 · Dec 25, 2011

Replies: 6

Views: 3K

Understanding Parentheses in Chemical Formulas

Dec 11, 2011 · Replies 4 · Dec 25, 2011

Replies: 4

Views: 4K

1,2-Alkyl shifts vs. hydride shifts

Dec 24, 2011 · Replies 2 · Dec 24, 2011

Replies: 2

Views: 5K

Acid Base Titration: Calculating Absolute Error

Dec 14, 2011 · Replies 6 · Dec 23, 2011

Replies: 6

Views: 5K

Hydrogen Chloride: Does it Form Ions or Atoms?

Dec 22, 2011 · Replies 15 · Dec 23, 2011

Replies: 15

Views: 4K

Colloid Particles: Charged and Explained

Dec 21, 2011 · Replies 1 · Dec 21, 2011

Replies: 1

Views: 3K

Water transfer printing activator ideas

Dec 4, 2011 · Replies 9 · Dec 21, 2011

Replies: 9

Views: 86K

Why is it only chiral molecules that rotate plane polarized light?

Dec 19, 2011 · Replies 2 · Dec 20, 2011

Replies: 2

Views: 11K

Beryllium Fluoride: Explaining Why It's a Molecule

Dec 15, 2011 · Replies 2 · Dec 19, 2011

Replies: 2

Views: 4K

Room temperature unstable macromolecule

Dec 17, 2011 · Replies 4 · Dec 19, 2011

Replies: 4

Views: 3K

Quaternary ammonium compound solubility

Dec 14, 2011 · Replies 2 · Dec 19, 2011

Replies: 2

Views: 6K

Can E2 Reactions on Primary Halides Lead to 2-Alkene Formation?

Dec 15, 2011 · Replies 1 · Dec 19, 2011

Replies: 1

Views: 3K

How to separate CO2 into C and O2

Feb 5, 2007 · Replies 35 · Dec 19, 2011

2

Replies: 35

Views: 154K

My textbook says electrolytes conduct electricity by the Movement of

Dec 19, 2011 · Replies 10 · Dec 19, 2011

Replies: 10

Views: 5K

HNMR of Acids: Carboxyl OH Proton Chemical Shifts

Dec 12, 2011 · Replies 4 · Dec 18, 2011

Replies: 4

Views: 10K

What Is Air Equilibrated Water? - ISO Standard Review

Dec 17, 2011 · Replies 2 · Dec 18, 2011

Replies: 2

Views: 6K

Reaction between magnesium and oxygen

Dec 5, 2011 · Replies 21 · Dec 17, 2011

Replies: 21

Views: 46K

Confunsed about reactions in equilibrium

Dec 15, 2011 · Replies 1 · Dec 15, 2011

Replies: 1

Views: 3K

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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