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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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3d printing with Polylactic acid, adhesion to print bed

rcq090
Nov 6, 2013 · Replies 1 · Jan 5, 2015

Replies: 1

What is the Acid Used in Strecker Amino Acid Synthesis?

sludger13
Jan 4, 2015 · Replies 7 · Jan 5, 2015

Replies: 7

IUPAC naming - choosing the main branch doubts

agoogler
Jan 4, 2015 · Replies 2 · Jan 4, 2015

Replies: 2

How to Calculate Energy for Atmospheric Molecule Reaction and Isolate Gases?

aaa16797
Jan 4, 2015 · Replies 4 · Jan 4, 2015

Replies: 4

General Formula of benzene and diacetylene

aditya ver.2.0
Jan 3, 2015 · Replies 3 · Jan 3, 2015

Replies: 3

How do electrolytes conduct electricity without redox?

lim23472
Jan 2, 2015 · Replies 8 · Jan 3, 2015

Replies: 8

Starlite and thermal barrier fun

Mazberplaz
Dec 29, 2014 · Replies 2 · Dec 30, 2014

Replies: 2

Is the Flask Closed or Open to Atmosphere During Reflux Heating?

Rajini
Dec 26, 2014 · Replies 4 · Dec 29, 2014

Replies: 4

Why does copper have a higher melting point than aluminium?

KingCrimson
Dec 28, 2014 · Replies 2 · Dec 28, 2014

Replies: 2

If 3d is higher in energy than 4S, how is 4s ionised first?

KingCrimson
Dec 28, 2014 · Replies 1 · Dec 28, 2014

Replies: 1

Hydrogen electrode incoherence?

sebastiank007
Nov 8, 2014 · Replies 5 · Dec 28, 2014

Replies: 5

Gasoline smell does not inginte

Niaboc67
Dec 27, 2014 · Replies 2 · Dec 27, 2014

Replies: 2

How is the Electron Configuration of Central Atoms in Complex Salts Determined?

AdityaDev
Dec 27, 2014 · Replies 12 · Dec 27, 2014

Replies: 12

Electrolysis of Water to Create NaOH

max6333
Dec 27, 2014 · Replies 7 · Dec 27, 2014

Replies: 7

Titanium Dioxide(TiO2) vs Tin Oxide(Sn3O4)

Stevenyzs
Dec 26, 2014 · Replies 1 · Dec 26, 2014

Replies: 1

How does the balanced chemical equation tell us the state?

avito009
Dec 24, 2014 · Replies 3 · Dec 25, 2014

Replies: 3

Molar Volume of Sodium at Boiling Point | Help Needed

Arash.t
Dec 23, 2014 · Replies 3 · Dec 24, 2014

Replies: 3

C-13 NMR Query in 2-Aminobutane: C3 Resonance

Miffymycat
Dec 23, 2014 · Replies 1 · Dec 23, 2014

Replies: 1

Oxidation Reaction: SO2 to H2SO4?

gracy
Dec 23, 2014 · Replies 9 · Dec 23, 2014

Replies: 9

Why is H2SO4 used in the contact process for sulfuric acid production?

gracy
Dec 23, 2014 · Replies 16 · Dec 23, 2014

Replies: 16

Diamagnetic Liquid: Explained & Demonstrated

gracy
Dec 22, 2014 · Replies 1 · Dec 22, 2014

Replies: 1

D & L Glucose: Haworth Formula Explained

gracy
Dec 22, 2014 · Replies 1 · Dec 22, 2014

Replies: 1

Synthesizing Diphenyl Oxalate: Esterification of Phenol and Oxalic Acid

the_m-theorist
Oct 3, 2014 · Replies 24 · Dec 22, 2014

Replies: 24

Question about alcohol protonation

MarcL
Dec 17, 2014 · Replies 2 · Dec 20, 2014

Replies: 2

Question on Keq and how water affects certain reactions

mayer
Oct 2, 2014 · Replies 15 · Dec 19, 2014

Replies: 15

How do you create pitted corrosion on steel with acid?

DSC
Dec 18, 2014 · Replies 3 · Dec 19, 2014

Replies: 3

Poll

Food Chemist vs. Chemical Engineer- Help

sunshine1025
Dec 19, 2014 · Replies 5 · Dec 19, 2014

Replies: 5

Why (and how) do foods stick to a pan?

Ganesh Ujwal
Dec 18, 2014 · Replies 1 · Dec 19, 2014

Replies: 1

Oleum Fuming: Investigating the Physical Mechanism

sludger13
Dec 17, 2014 · Replies 5 · Dec 18, 2014

Replies: 5

Why is the relative atomic mass always changing?

Johannah Wu
Dec 17, 2014 · Replies 1 · Dec 17, 2014

Replies: 1

Why hydrogen is not used to compare the relative atomic mass

Johannah Wu
Dec 17, 2014 · Replies 1 · Dec 17, 2014

Replies: 1

Potassium hydrooxide is nucleophile or base

gracy
Dec 17, 2014 · Replies 1 · Dec 17, 2014

Replies: 1

Why Does the 31P NMR Spectrum of PF5 Depend on Temperature?

Astudious
Dec 14, 2014 · Replies 4 · Dec 16, 2014

Replies: 4

Sodium dithionite reducing properties of nh3

caliban07
Dec 15, 2014 · Replies 6 · Dec 15, 2014

Replies: 6

BP & MP of Caffeine: 178°C & 236.2°C

mnmman
Dec 15, 2014 · Replies 9 · Dec 15, 2014

Replies: 9

What is the Entropy of a Half Reaction?

Mr bboy
Dec 13, 2014 · Replies 6 · Dec 13, 2014

Replies: 6

Why isn't the ion NH4+ capable of hydrogen bonding?

dramadeur
Nov 17, 2014 · Replies 11 · Dec 13, 2014

Replies: 11

What is the structural component of disjoining pressure?

Yinxiao Li
Dec 12, 2014 · Replies 1 · Dec 12, 2014

Replies: 1

Electrochemistry: reference electrode

AdityaDev
Dec 11, 2014 · Replies 6 · Dec 11, 2014

Replies: 6

Blast furnace and iron ore - help to understand?

late347
Dec 9, 2014 · Replies 5 · Dec 11, 2014

Replies: 5

Which Type of Bond is Strongest in Chemistry?

gracy
Dec 11, 2014 · Replies 1 · Dec 11, 2014

Replies: 1

Supercooled Liquid: What is it & How Does it Become Glass?

gracy
Dec 11, 2014 · Replies 2 · Dec 11, 2014

Replies: 2

Elementary Rate Law: Hydrogen Radical Termination Step

gfd43tg
Dec 10, 2014 · Replies 4 · Dec 11, 2014

Replies: 4

Determining Compound Dipole Moment for Finals

Jordan Bergeron
Dec 10, 2014 · Replies 5 · Dec 10, 2014

Replies: 5

Significant Figures in Conversion Factors

Jordan Bergeron
Dec 10, 2014 · Replies 1 · Dec 10, 2014

Replies: 1

Can Metal-Bromine Batteries Be the Next Big Thing in Energy Storage?

Stanley514
Sep 15, 2014 · Replies 5 · Dec 9, 2014

Replies: 5

Unraveling the Mystery: Why Does the Bottle Shrink?

gracy
Dec 8, 2014 · Replies 11 · Dec 9, 2014

Replies: 11

How to write Stoichiometric ratio of a reaction?

wirefree
Dec 7, 2014 · Replies 8 · Dec 8, 2014

Replies: 8

Science of materials and energy

Avatrin
Dec 7, 2014 · Replies 8 · Dec 7, 2014

Replies: 8

Why isn't solution state a true physical state ?

leojun
Dec 6, 2014 · Replies 7 · Dec 7, 2014

Replies: 7

Volume of Two Gases: Does Adding Apply?

Drakkith
Dec 6, 2014 · Replies 9 · Dec 7, 2014

Replies: 9

Can an electric arc cause a combustion or fire if

strk
Dec 5, 2014 · Replies 2 · Dec 6, 2014

Replies: 2

I am a non scientist and would like to know easiest way

alexandracohen
Dec 4, 2014 · Replies 28 · Dec 6, 2014

Replies: 28

Ideal gasses, bonds and partition functions

Avatrin
Dec 3, 2014 · Replies 1 · Dec 4, 2014

Replies: 1

Question about halogenation of benzene

MarcL
Dec 3, 2014 · Replies 2 · Dec 4, 2014

Replies: 2

How to tell crystalline from amorphous on touch?

RandomGuy1
Dec 4, 2014 · Replies 1 · Dec 4, 2014

Replies: 1

Synthesize Propyne: Best Method Explained

kevinnn
Dec 1, 2014 · Replies 2 · Dec 4, 2014

Replies: 2

In the haber process why is the yield higher when liquid?

smulc
Dec 2, 2014 · Replies 8 · Dec 3, 2014

Replies: 8

Which lab equipment should we use to mix a thick solution?

Thondyl
Dec 1, 2014 · Replies 13 · Dec 3, 2014

Replies: 13

How can neon have a melting point?

skyshrimp
Nov 5, 2014 · Replies 3 · Dec 3, 2014

Replies: 3

Maximum work can be obtained from reversible process ?

Murtuza Tipu
Dec 2, 2014 · Replies 1 · Dec 3, 2014

Replies: 1

Does ethanol evaporate in dried food?

alphacat92
Dec 2, 2014 · Replies 3 · Dec 2, 2014

Replies: 3

Calculating Oxidation State of Nitrogen in 2NO + O2 -> 2NO2

dramadeur
Dec 2, 2014 · Replies 2 · Dec 2, 2014

Replies: 2

19th century matches: Chlorates without electrolysis?

JeffEvarts
Dec 1, 2014 · Replies 3 · Dec 2, 2014

Replies: 3

Vapor Pressure: Closed-Systems Only? Open or Closed?

gracy
Nov 30, 2014 · Replies 6 · Dec 1, 2014

Replies: 6

Reaction Product: Get Expert Verification

phoenixXL
Dec 1, 2014 · Replies 1 · Dec 1, 2014

Replies: 1

Can liquid ozone substitute for liquid oxygen?

cmb
Jan 8, 2012 · Replies 9 · Dec 1, 2014

Replies: 9

Why Do Substances in Their Elemental State Have Zero Enthalpy of Formation?

gracy
Dec 1, 2014 · Replies 10 · Dec 1, 2014

Replies: 10

Why does a hydroquinone has a non zero dipole moment?

Murtuza Tipu
Dec 1, 2014 · Replies 1 · Dec 1, 2014

Replies: 1

Closed Packing: Definition & Planes

gracy
Dec 1, 2014 · Replies 6 · Dec 1, 2014

Replies: 6

Does an electron's energy state affect its distance from the nucleus?

Latsabb
Nov 30, 2014 · Replies 3 · Dec 1, 2014

Replies: 3

Why HCl & NaCl Show Different Crystal Structures

gracy
Dec 1, 2014 · Replies 1 · Dec 1, 2014

Replies: 1

How Does d-d Transition Occur with No Free Higher Energy d-Orbitals Available?

leojun
Nov 29, 2014 · Replies 8 · Nov 30, 2014

Replies: 8

What chemicals all labs should have?

Swazii
Nov 29, 2014 · Replies 8 · Nov 30, 2014

Replies: 8

Why didn't flash freezing make the polycaprolactone plastic brittle?

R_Lee
Nov 28, 2014 · Replies 1 · Nov 29, 2014

Replies: 1

Storing silver nitrate solution

skyshrimp
Nov 29, 2014 · Replies 4 · Nov 29, 2014

Replies: 4

Magnesium Pencil Sharpeners: Is It All Magnesium?

max6333
Nov 29, 2014 · Replies 4 · Nov 29, 2014

Replies: 4

Geometry Optimization in Computational Chemistry

hiltac
Nov 27, 2014 · Replies 4 · Nov 29, 2014

Replies: 4

Do the standard states still hold when it operates?

asdff529
Nov 29, 2014 · Replies 1 · Nov 29, 2014

Replies: 1

Making Dry Ice at Home: Pressure & Temperature Explained

gracy
Nov 20, 2014 · Replies 5 · Nov 28, 2014

Replies: 5

Nernst equation - Lambda Sensor

H3ll4s
Nov 27, 2014 · Replies 1 · Nov 27, 2014

Replies: 1

Does NH[SUB]3[/SUB] react with aldehyde ?

leojun
Nov 24, 2014 · Replies 1 · Nov 27, 2014

Replies: 1

Why Don’t Ions Neutralize in an Applied Current Solution?

ak33m98
Nov 27, 2014 · Replies 1 · Nov 27, 2014

Replies: 1

Does acidity and hydrogen bond strength go hand in hand?

Pen Rie
Nov 26, 2014 · Replies 2 · Nov 26, 2014

Replies: 2

Surface tension vs Average Bond Strength

Pen Rie
Nov 26, 2014 · Replies 4 · Nov 26, 2014

Replies: 4

Hydrogen Bond Strength: Strengthen & Weaken in Water

Pen Rie
Nov 26, 2014 · Replies 3 · Nov 26, 2014

Replies: 3

Why are almost all polyatomic ions negative?

Cram Namlyts
Nov 23, 2014 · Replies 5 · Nov 26, 2014

Replies: 5

Does glucose in its cyclic structure react with HI ?

leojun
Nov 24, 2014 · Replies 6 · Nov 26, 2014

Replies: 6

What is the relation between the density of vapor and the

physics love
Nov 24, 2014 · Replies 4 · Nov 25, 2014

Replies: 4

Anhydrous Aqua Regia: Benefits, Hazards & Effectiveness

BernieM
Nov 25, 2014 · Replies 2 · Nov 25, 2014

Replies: 2

Solubility of Ammonia gas in Dimethyl Sulfoxide

ejnovek
Nov 23, 2014 · Replies 2 · Nov 24, 2014

Replies: 2

Making a 50% solution from Liquid Citric Acid

Robert Brott
Nov 24, 2014 · Replies 2 · Nov 24, 2014

Replies: 2

Battery school project assistance

shushi_boi
Nov 22, 2014 · Replies 1 · Nov 24, 2014

Replies: 1

How Many Valence Electrons Does Nitrogen Use in an NH4 Bond?

wcui2525
Nov 22, 2014 · Replies 12 · Nov 23, 2014

Replies: 12

Riffles: Why They're Made & Benefits of Incremental Lengths

gracy
Nov 22, 2014 · Replies 5 · Nov 22, 2014

Replies: 5

Does Infrared Ink Really Exist and Can It Change How We See Colors in Photos?

Cosmobrain
Mar 23, 2014 · Replies 19 · Nov 22, 2014

Replies: 19

Why catalysts affect forward and reverse reactions?

Pharrahnox
Nov 18, 2014 · Replies 5 · Nov 22, 2014

Replies: 5

Reduction of moisture content form propylene glycol

Balaji
Nov 14, 2014 · Replies 2 · Nov 21, 2014

Replies: 2

Question about stationary and mobile phases

Latsabb
Nov 21, 2014 · Replies 4 · Nov 21, 2014

Replies: 4

Can Random Atomic Weights Shape Element Properties in Simulation Games?

Kidsam
Nov 11, 2014 · Replies 5 · Nov 21, 2014

Replies: 5

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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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