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.

Threads

From hydrochloric acid to hydrogen chloride

  • donaldcat
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Collision Theory: Deriving Rate Equation Confusion

  • Yuqing
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3

Changing temperature of water to alter PH levels

  • Da Apprentice
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4

Chemistry Project Ideas for 12th Grade

  • ashishsinghal
  • · Replies 5 ·
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5

Borek: Understand Zinc Carbon Battery Electrolyte Solution

  • MotoPayton
  • · Replies 1 ·
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1

What is the molecular weight of Pluronic F-127?

  • mrund3rd09
  • · Replies 1 ·
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Dissolving solid copper chloride

  • alex-book
  • · Replies 1 ·
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1

Degradation of polydimethylsiloxane Si3(CH3)6O3?

  • dawin
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4

The equilibrium constant and solids

  • whsmt85
  • · Replies 5 ·
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5

Why do bubbles form when vapor pressure = external pressure?

  • horsecandy911
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1

Phosphor Powder for solar cells

  • matchinu
  • · Replies 1 ·
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1

What is This? A Guide to Understanding the Unknown

  • EternityMech
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1

The Mysteries of the Metaperiodic Table

  • Antymattar
  • · Replies 5 ·
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5

Enantiomer / Diastereomer Chemical and Physical Properties

  • [sammich]
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3

How Does Bond Formation Release Heat?

  • horsecandy911
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1

Forward vs Reverse Reaction (both endo/exo thermic)

  • ldv1452
  • · Replies 3 ·
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3

Weird: number of moles of NaOH in 20 ml of 1M NaOH

  • p3t3r1
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Leaked Maglite battery destroys the thread?

  • rogerl
  • · Replies 13 ·
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13

Detection of hydrogen peroxide in water

  • Topher925
  • · Replies 4 ·
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4
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2

What causes pH to decrease during fermentation?

  • Orlando
  • · Replies 6 ·
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6

Which is more stable Fe2+ or Fe3+?

  • Kahizinn
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1

What are the rules for drawing molecular diagrams?

  • leroyjenkens
  • · Replies 3 ·
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3

What do the hexagonal shapes mean in chemistry?

  • FishmanGeertz
  • · Replies 8 ·
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8

To do with reactivity, I think

  • Kyoma
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What Factors Affect the Neucleophilicity and Basicity Order of I- Br- Cl- F-?

  • cupid.callin
  • · Replies 1 ·
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Creating an Endothermic Reaction Without Ammonium Nitrate

  • quietbang
  • · Replies 11 ·
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11

Qustion about leaving groups and bases

  • invain
  • · Replies 1 ·
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1

Linus Pauling's "General Chemistry" Book- Is it Up to Date?

  • bennington
  • · Replies 7 ·
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7

The hybridization of P in phosphate

  • Compaq
  • · Replies 3 ·
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3

What is the difference between internal energy and enthalpy?

  • Mattius_
  • · Replies 5 ·
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5

Did I Get My Revenge on the Chemists in My Pchem and LA Classes?

  • flyingpig
  • · Replies 7 ·
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7

'diels alder' like reaction with nonconjugated dienes

  • Galap
  • · Replies 3 ·
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3

What will sugar dissolve in besides water?

  • TalonD
  • · Replies 6 ·
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6

How can H-NMR graph peaks be used to determine enol-keto ratio?

  • KKAK
  • · Replies 7 ·
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7

How Do You Balance Chemical Equations?

  • Hellohi
  • · Replies 1 ·
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1

H2 Gas: Stability and Reactivity on Earth's Surface

  • Simfish
  • · Replies 3 ·
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3

Creating a 'Heat Wave' Look Without Mixing

  • SkepticJ
  • · Replies 30 ·
2
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30

SERS Substrates for Adsorbing Biological Materials

  • newlabguy
  • · Replies 1 ·
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1
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9

Solvents for Grignard Synthesis?

  • ericvon11
  • · Replies 2 ·
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2

Disconnect between Lennard-Jones and Heat of Vaporization

  • FireBones
  • · Replies 2 ·
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2

Investigating Mysterious Salty Taste in Water

  • rorobee
  • · Replies 8 ·
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8

What happens when Ca is added to water?

  • MotoPayton
  • · Replies 1 ·
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1

Why Does My Tap Water Turn Cloudy and Gritty After Running Clear?

  • Envergure
  • · Replies 6 ·
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6

Understanding Acid Solutions: How to Reach 10^-14

  • PainterGuy
  • · Replies 1 ·
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1

SN2 & SN1 Reactions: Solvent Effects Explained

  • khadijha.ji
  • · Replies 5 ·
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5

How hot is the fire caused by burning Vegetable Oil?

  • hotwheelharry
  • · Replies 2 ·
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2

Electrochemical cells: Is gibbs free energy dependent upon concentration?

  • Topher925
  • · Replies 5 ·
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5

Do chemists have an abonormaly high rate of cancer?

  • gravenewworld
  • · Replies 15 ·
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15

Understanding the Difference Between NaF and Sulfate/Carbonate in Water

  • MotoPayton
  • · Replies 2 ·
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Physical Chemistry vs Statistical Mechanics notation

  • Simfish
  • · Replies 8 ·
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8

Interesting Static Eletricity Question

  • assuredlonewo
  • · Replies 1 ·
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1

Ordinary chlorine vs hydrogen peroxide as a bleach

  • Twinbee
  • · Replies 22 ·
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22

Project on Alcohols: Chemistry & Info

  • d.tran103
  • · Replies 4 ·
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4

Sulphur Dioxide (SO2) Geometry & Hybridization

  • gemma786
  • · Replies 20 ·
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SF4 has Exactly 5 Electron Pairs Around Central Atom

  • gsingh2011
  • · Replies 1 ·
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1

Hybridisation of SO 2 and SeO 2

  • zorro
  • · Replies 3 ·
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3

How to determine which molecule has the highest melting point?

  • gsingh2011
  • · Replies 1 ·
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1

What are some interesting ~5 minute chemistry demonstrations?

  • Greywolfe1982
  • · Replies 5 ·
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5

Can 18M Hydrochloric Acid Cause Permanent Skin Damage?

  • Eggs
  • · Replies 5 ·
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5

What Should I Major in to Become a Research Scientist: Chemistry or Physics?

  • b4champ15
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How much energy is stored in borax element?

  • hkBattousai
  • · Replies 2 ·
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2

Amphiprotic/Amphoteric Nature of HSO4- & H2PO4 - ChemistryHelp.net

  • aonin
  • · Replies 2 ·
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2

Carbonyl Sulfide Removal By MEA‏

  • studentsphere
  • · Replies 1 ·
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1

Why Is Dry Ice's Energy Change Considered Internal Rather Than Enthalpy?

  • metallica007
  • · Replies 8 ·
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8

Complete Dissociation: Understand Strong Acids & Bases

  • PEZenfuego
  • · Replies 11 ·
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11

Unraveling the Mystery of NaCl's Low Solubility Curve

  • enthropy
  • · Replies 7 ·
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7

Does Adding HCl Change the pH of a CH3COOH/CH3COO Buffer?

  • Boxxxed
  • · Replies 1 ·
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1

Calc Enthalpy of Formation N2O5(g) from Data

  • chemister
  • · Replies 3 ·
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3

Elementary question of binding energy

  • td21
  • · Replies 1 ·
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1
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6

When propane gas is bubbled into bromine water, no colour changes, why?

  • andyboy179
  • · Replies 7 ·
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Equilibrium constant rules help.

  • madcat8000
  • · Replies 1 ·
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1

Certain compounds were responsible for different tastes

  • Gallin
  • · Replies 10 ·
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10

How does the saponification process actually create soap?

  • MotoPayton
  • · Replies 1 ·
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1

Searching for Outgassing Rate of Fused Silica (SiO2)

  • esorolla
  • · Replies 3 ·
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3

Toxic Compounds: Solids and Liquids

  • scientifico
  • · Replies 9 ·
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9

Mass spectrometry - How can you find the mass of the compound?

  • Horseb0x
  • · Replies 2 ·
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2
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19

Water Dissociation: H+ & OH- Ions Upon Ionic Compound Addition

  • Kyoma
  • · Replies 4 ·
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4

Electrophilic addition of alkenes

  • aim1732
  • · Replies 5 ·
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5

How does the ideal gas law work?

  • pelmel92
  • · Replies 1 ·
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1
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6

Brine Electrolysis: Why Is the Solution Turning Yellowish?

  • asamaid1
  • · Replies 17 ·
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Implications of infinity on positional entropy?

  • FredT
  • · Replies 2 ·
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2

Gaussian 09 .out file format specification (and freqchk)

  • surfer96313
  • · Replies 4 ·
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4

Why do the PE of atoms decrease when they form bonds

  • abcd8989
  • · Replies 1 ·
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1

Maximizing Oil-in-Water Separation: Tips for Efficient Drying Methods

  • fourdegreesc
  • · Replies 2 ·
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2

Where Can I Find a Customizable Text-Based Quiz Program for Studying?

  • QuarkCharmer
  • · Replies 3 ·
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3

Does arsenate inhibit glyceraldehyde 3-phosphate dehydrogenase?

  • sameeralord
  • · Replies 1 ·
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1

Calculating Limiting Reactant & Theoretical Yield of NaCl2

  • amrisha16
  • · Replies 1 ·
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1

Wine Fermentation Heat Generation

  • Steve Mitchel
  • · Replies 3 ·
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3

Confused About Isotherms: Graph of Methane Volume vs Pressure

  • MotoPayton
  • · Replies 7 ·
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7

Normalization coefficient of sp2 hybrid orbital

  • gerrardz
  • · Replies 1 ·
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1

Can the concept of hybridization be applied to what we consider ionic,

  • Ashu2912
  • · Replies 6 ·
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6

Is Electronegativity Applicable to Ions?

  • zorro
  • · Replies 9 ·
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9