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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 cant I have a solution of just anions? or Cations?

[V]
Jun 11, 2014 · Replies 7 · Jun 17, 2014

Replies: 7

Produce Methane Via CO2 + H2O ?

ossamawww
Jun 17, 2014 · Replies 3 · Jun 17, 2014

Replies: 3

Dissolution gas, exo/endo Thermic

Bengo
Jun 13, 2014 · Replies 2 · Jun 14, 2014

Replies: 2

NH2 is electron acceptor or electron donor?

kelvin macks
Jun 13, 2014 · Replies 3 · Jun 14, 2014

Replies: 3

Understanding the Amount of Substance in Physical Objects

Jhenrique
Jun 12, 2014 · Replies 5 · Jun 13, 2014

Replies: 5

Is the Salt Crystal Lamp Really Effective as an Air Purifier?

luxun2
Jun 8, 2014 · Replies 6 · Jun 11, 2014

Replies: 6

Can These Hydrocarbons Be Properly Named According to IUPAC Rules?

kelvin macks
Jun 9, 2014 · Replies 1 · Jun 10, 2014

Replies: 1

Isomers of Butene: A Comprehensive Guide to 5 Variants | Ausetute

kelvin macks
Jun 9, 2014 · Replies 5 · Jun 10, 2014

Replies: 5

Creating an Efficient Electrical Cell to Optimal Chemical Combinations

Jhenrique
Jun 8, 2014 · Replies 3 · Jun 8, 2014

Replies: 3

Is Decane a Viable Alternative to Octane for Engine Combustion?

462chevelle
Jun 5, 2014 · Replies 6 · Jun 7, 2014

Replies: 6

Can O2 combine with H2 to form water without activation energy?

kevin_tee
May 31, 2014 · Replies 5 · Jun 7, 2014

Replies: 5

Units being used in the graphs for ψ and radius (in nm) and ψ^2 and ra

tennispro1213
Jun 5, 2014 · Replies 3 · Jun 6, 2014

Replies: 3

Steam evolved during pressurized experiment

alfa rat
Jun 4, 2014 · Replies 2 · Jun 4, 2014

Replies: 2

The specific heat capacity at constant volume for liquid isopropanol?

poul
Jun 2, 2014 · Replies 10 · Jun 3, 2014

Replies: 10

Oxidation/Decomposition of Chewing Gum Blots

Islam Hassan
Jun 2, 2014 · Replies 1 · Jun 3, 2014

Replies: 1

Is carbon dioxide equally distrubuted throughout the Earth?

nst.john
Jun 3, 2014 · Replies 14 · Jun 3, 2014

Replies: 14

Making Methane a More Useful Fuel: Catalyst Possibilities?

iwant2beoz
May 30, 2014 · Replies 8 · Jun 2, 2014

Replies: 8

What is the Reaction Between K2CO3 and KH2PO4?

cmb
Jun 1, 2014 · Replies 9 · Jun 2, 2014

Replies: 9

Can You Etch Al2O3 Without Etching Al in Microelectronics?

Excom
May 29, 2014 · Replies 1 · May 30, 2014

Replies: 1

Can biofuel replace petro oil, or can petro oil be farm produce?

dan020350
May 8, 2014 · Replies 15 · May 28, 2014

Replies: 15

Benzene Stability: Bond Dissociation vs. Aromaticity

mayer
May 22, 2014 · Replies 7 · May 27, 2014

Replies: 7

Obtain Oxygen: Break Apart CO2 or H2SO4?

Anon Imous
May 21, 2014 · Replies 6 · May 26, 2014

Replies: 6

Choosing filter paper to extract an organic compound from HCl using gr

kl055
May 25, 2014 · Replies 6 · May 25, 2014

Replies: 6

Calling kinetics experts: rate law from conductivity isnt possible?

Miffymycat
May 25, 2014 · Replies 3 · May 25, 2014

Replies: 3

Why is the Enthalpy of Neutralisation for HF Greater than 68KJ?

theincrediblea
May 24, 2014 · Replies 3 · May 25, 2014

Replies: 3

Are electrons negative by default?

IchibanNoodle
May 24, 2014 · Replies 2 · May 24, 2014

Replies: 2

A good chemistry/org chem. Lab manual?

christian0710
May 18, 2014 · Replies 3 · May 24, 2014

Replies: 3

Coordination no. in crystals (conceptual)

namanjain
May 22, 2014 · Replies 8 · May 23, 2014

Replies: 8

Can nitro fatty acids lower blood pressure in humans?

Johanna
May 21, 2014 · Replies 1 · May 21, 2014

Replies: 1

Boiling point of ethers and alkanes

Queequeg
May 19, 2014 · Replies 2 · May 21, 2014

Replies: 2

Negative values in calibration curve

frankmp40
May 19, 2014 · Replies 8 · May 21, 2014

Replies: 8

How do water companies filter and purify water for drinking?

bluemoonKY
May 18, 2014 · Replies 3 · May 20, 2014

Replies: 3

Linus Pauling's General Chemistry

cseal
May 15, 2014 · Replies 2 · May 20, 2014

Replies: 2

Discovering the Science Behind Fizzy Angostura Bitters & Tonic Water

Jobrag
May 18, 2014 · Replies 2 · May 19, 2014

Replies: 2

Commonly stocked dyes that work with cotton

mishima
May 18, 2014 · Replies 2 · May 18, 2014

Replies: 2

Can the Heat of Formation for BaSO4 be Determined through Calorimetry?

member 508213
May 17, 2014 · Replies 2 · May 17, 2014

Replies: 2

What is the difference between the two naphthenes in this table?

mech-eng
May 17, 2014 · Replies 5 · May 17, 2014

Replies: 5

Methods of determining concentration of solution

bitbot
May 16, 2014 · Replies 2 · May 17, 2014

Replies: 2

What is the difference between acid,base,salt, amphoteric and neutral?

abi.ayan
May 17, 2014 · Replies 1 · May 17, 2014

Replies: 1

How to calculate heat of reaction of a single replacement reaction?

member 508213
May 16, 2014 · Replies 4 · May 17, 2014

Replies: 4

Can You Make Incense Without the Smell of Saltpeter?

cuallito
May 15, 2014 · Replies 1 · May 15, 2014

Replies: 1

Is it okay to use dot/cross for free radical rxns

Inertia
May 15, 2014 · Replies 1 · May 15, 2014

Replies: 1

Why does lithiation of arylethers result in a selective ortho product?

Inertia
May 15, 2014 · Replies 1 · May 15, 2014

Replies: 1

Best substance to dissolve in water to increase boilingpoint elevation

member 508213
May 14, 2014 · Replies 2 · May 15, 2014

Replies: 2

Mechanism of benzene nucleophilicity activation

sludger13
Apr 30, 2014 · Replies 18 · May 15, 2014

Replies: 18

Positrons, electrons, and chemical reactions

EternusVia
May 14, 2014 · Replies 3 · May 15, 2014

Replies: 3

Physical state of acids when they are ionized

Entanglement
May 3, 2014 · Replies 23 · May 14, 2014

Replies: 23

Calculation of absolute electrode potential and salt bridge qns

sgstudent
May 11, 2014 · Replies 13 · May 13, 2014

Replies: 13

Thoughts on Excerpt from My Chem Prof's Textbook?

Qube
May 12, 2014 · Replies 8 · May 13, 2014

Replies: 8

Distilled Ethanol Safe To Drink?

rpandrew
May 12, 2014 · Replies 1 · May 13, 2014

Replies: 1

Simple question about dissolving a compound

JG89
May 9, 2014 · Replies 4 · May 11, 2014

Replies: 4

Homemade Welder (Chemistry Behind It)

Nuckelavee
May 7, 2014 · Replies 7 · May 9, 2014

Replies: 7

Explosion from mix or vibration

Jhenrique
May 9, 2014 · Replies 6 · May 9, 2014

Replies: 6

Is Delta H of formation the same for NH4NO3 Aqueous and in Solid Form?

member 508213
May 8, 2014 · Replies 2 · May 8, 2014

Replies: 2

Hybridization and Hypervalent molecules

Qube
May 5, 2014 · Replies 13 · May 8, 2014

Replies: 13

Avogadro's constant, number of moles, number of particles

negation
May 7, 2014 · Replies 9 · May 7, 2014

Replies: 9

Praseodymium (etc.) Trivia Question(s)

questar
May 5, 2014 · Replies 5 · May 7, 2014

Replies: 5

Negative refraction, meta materials, no quest for chemists?

DrDu
May 6, 2014 · Replies 3 · May 7, 2014

Replies: 3

Derivation of Marcus Electron Transfer Theory

darwined
May 7, 2014 · Replies 1 · May 7, 2014

Replies: 1

Derivation of Marcus Electron Transfer Theory

darwined
May 7, 2014 · Replies 1 · May 7, 2014

Replies: 1

Rotation of PPL by opticaly active compounds (mathematical feeling)

namanjain
May 6, 2014 · Replies 4 · May 7, 2014

Replies: 4

Why are more stable carbocations faster formed?

sludger13
May 5, 2014 · Replies 4 · May 6, 2014

Replies: 4

Will a matter get 0 volume on -273 C?

Govind_Balaji
May 4, 2014 · Replies 8 · May 5, 2014

Replies: 8

Question on hypothetical pure O2 atmosphere

DHF
May 5, 2014 · Replies 3 · May 5, 2014

Replies: 3

Coordination number for fcc and NaCl

Prashasti
May 4, 2014 · Replies 2 · May 5, 2014

Replies: 2

1H-NMR for conformation elucidation

amattiol
Apr 16, 2014 · Replies 1 · May 4, 2014

Replies: 1

Permanent marker to decorate a coffe mug

flatmaster
Apr 28, 2014 · Replies 1 · May 4, 2014

Replies: 1

Why cheese need to be kept in aluminium foils

ChrisToffer
May 4, 2014 · Replies 1 · May 4, 2014

Replies: 1

Unraveling X-Ray Diffraction: Questions & Answers

tahaha
May 1, 2014 · Replies 1 · May 2, 2014

Replies: 1

Molecular vs ionics compounds, H20

Goodver
May 1, 2014 · Replies 6 · May 2, 2014

Replies: 6

Chlorophyll in Acetone Spectrophotometry Help

mishima
Apr 30, 2014 · Replies 3 · May 1, 2014

Replies: 3

Concentration of solids in equilibrium

Entanglement
Apr 30, 2014 · Replies 1 · May 1, 2014

Replies: 1

What is the IUPAC Name for Ethyl-Methyl-Ester?

kq6up
Apr 30, 2014 · Replies 1 · Apr 30, 2014

Replies: 1

The volume of a solution at equilibrium

Entanglement
Apr 30, 2014 · Replies 1 · Apr 30, 2014

Replies: 1

Advantages and disadvantages of mortar and pestle materials

CosmicVoyager
Apr 30, 2014 · Replies 1 · Apr 30, 2014

Replies: 1

How can I extract specific organic components from plants?

Psinter
Apr 27, 2014 · Replies 17 · Apr 30, 2014

Replies: 17

Battery acid counter balance for longevity

rovot
Apr 27, 2014 · Replies 9 · Apr 29, 2014

Replies: 9

How Much Substance in One Drop of Solution?

coolname
Apr 28, 2014 · Replies 1 · Apr 28, 2014

Replies: 1

Stable dispersion of nano-hydroxyapatite in water or PBS

yesbeckng
Apr 11, 2014 · Replies 1 · Apr 28, 2014

Replies: 1

Standard Gibbs energy change definition

gfd43tg
Apr 26, 2014 · Replies 1 · Apr 26, 2014

Replies: 1

Aluminum and iron(III) reaction

kevinnn
Apr 26, 2014 · Replies 1 · Apr 26, 2014

Replies: 1

Can the US Navy really make jet fuel from seawater?

256bits
Apr 26, 2014 · Replies 2 · Apr 26, 2014

Replies: 2

What factors determine the strength of a covalent bond

quawa99
Apr 22, 2014 · Replies 1 · Apr 26, 2014

Replies: 1

Can Aeration Change the Equilibrium of Gases in Water?

Subrosa
Apr 25, 2014 · Replies 5 · Apr 25, 2014

Replies: 5

Can Burning One Gallon of Gasoline Really Release 21.1 lbs of Carbon?

thetexan
Apr 22, 2014 · Replies 5 · Apr 24, 2014

Replies: 5

IUPAC Naming Questions-Substituents and Bonds

Conservation
Apr 18, 2014 · Replies 1 · Apr 24, 2014

Replies: 1

Mercury Manometer: Explaining Pressure Changes

Bengo
Apr 23, 2014 · Replies 1 · Apr 23, 2014

Replies: 1

Average kinetic energy/ temperature confusion

Bengo
Apr 22, 2014 · Replies 4 · Apr 22, 2014

Replies: 4

Understanding Solute Activities: Debunking the Myth of Incoherence in Chemistry

Qube
Apr 20, 2014 · Replies 6 · Apr 22, 2014

Replies: 6

Radon-226 Decay: Half-Life of Radium-226

vanceEE
Apr 20, 2014 · Replies 5 · Apr 21, 2014

Replies: 5

Arrhenius equation and rate of change

Big-Daddy
Apr 15, 2014 · Replies 3 · Apr 20, 2014

Replies: 3

Energy of Activation Clarification

david_w
Apr 19, 2014 · Replies 4 · Apr 20, 2014

Replies: 4

Why Don't Chlorine and Bromine Bond Together?

Colin Cheng
Apr 19, 2014 · Replies 6 · Apr 20, 2014

Replies: 6

Answer: Electrons and Energy: Why do Atoms Gain/Lose Energy?

friendbobbiny
Apr 19, 2014 · Replies 1 · Apr 20, 2014

Replies: 1

Why would a carbanion have a tetrahedral shape?

sgstudent
Apr 18, 2014 · Replies 4 · Apr 19, 2014

Replies: 4

Chemical reaction equation, historical question

7777777
Apr 17, 2014 · Replies 6 · Apr 18, 2014

Replies: 6

Is Oxyhydrogen a spontaneous reaction at very high temperatures?

ineedaquickie
Apr 13, 2014 · Replies 4 · Apr 17, 2014

Replies: 4

Why anhydrous ZnCl2 is used in Groove's Process?

avistein
Apr 16, 2014 · Replies 1 · Apr 17, 2014

Replies: 1

TLC Spot Extraction & Compound Isolation for UV ID

~christina~
Apr 16, 2014 · Replies 2 · Apr 16, 2014

Replies: 2

Degree of dissociation accurately defined

Entanglement
Apr 13, 2014 · Replies 11 · Apr 15, 2014

Replies: 11

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Chemistry

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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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