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

Why Do Atoms Stop Forming Bonds Once Their Outer Shells Are Full?

  • Cheman
  • · Replies 18 ·
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18

Constant C in Vapor Pressure Equation

  • pzona
  • · Replies 1 ·
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1

Activation energy of Silicon Dioxide thermite reaction?

  • wil3
  • · Replies 5 ·
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5

Extraction of heavy metal from soil

  • prescott2006
  • · Replies 1 ·
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1

Organic Chemistry(functional group)

  • Godwin Kessy
  • · Replies 7 ·
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7

Can H2O Form Without an Atmosphere?

  • Herkeybird
  • · Replies 2 ·
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2

Combine Mg2+ & CrO42- and Sr2+ & SO42- - Answers Included

  • ncmm16
  • · Replies 4 ·
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4
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2

Buffer Solutions: Weak Acid & Conjugate Base or Vice Versa?

  • sci-doo
  • · Replies 7 ·
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7

Why Does Ink Move Rapidly on a Film When Refilling a Fountain Pen?

  • mahela007
  • · Replies 2 ·
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2

Why is Ozone so high in the atmosphere?

  • sugaJ
  • · Replies 2 ·
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2

What is the Chemical Composition of Thermite?

  • efekwulsemmay
  • · Replies 1 ·
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1

How to Arrange Bases in Order of Their Tendency to Combine with Protons?

  • bigjj456
  • · Replies 6 ·
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6

Why aromatic aldehydes are less reactive than aliphatic aldehyds?

  • lenadub
  • · Replies 3 ·
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3

Fitting Metal Carbonyls into a 30-Ångstrom Pore: Is It Possible?

  • TPie
  • · Replies 3 ·
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3

What Is the Major Resonance Contributor of This Organic Molecule?

  • Wendy.yan
  • · Replies 3 ·
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3

Organic Chem: Diels-Alder w/ Anthracene & Maleic Anhydride

  • lenadub
  • · Replies 4 ·
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4

Reaction Rates of NiOOH/H20 and Zn Reactions

  • JPablo
  • · Replies 1 ·
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1

I have an idea but, I don't know where to start

  • Borg
  • · Replies 1 ·
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1

Calculate Heat of Fusion of Ice

  • ZiJem
  • · Replies 1 ·
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1

Differentiate an ionic from a covalent compounds

  • Godwin Kessy
  • · Replies 6 ·
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6

Calculating Gas Volume with Pressure: Non-Ideal Gas Equation for Mixed Gases

  • FishBlackpool
  • · Replies 1 ·
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1

Calculate the frequency, in hertz (level n = 10 to level n = 5)

  • pinklemon
  • · Replies 2 ·
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2

What Makes Hydrocarbons Unique?

  • ShayanJ
  • · Replies 12 ·
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12

Troubleshooting pH Levels in Saltwater Aquariums

  • sagcali
  • · Replies 4 ·
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4

Chemical to cut headlight oxidation?

  • cragar
  • · Replies 12 ·
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12

A question regarding oxidation numbers

  • espen180
  • · Replies 3 ·
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3

How do you write chemical formulas for ionic compounds?

  • ncmm16
  • · Replies 2 ·
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2

All of these numbers have 3 significant figures right?

  • Power of One
  • · Replies 5 ·
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5

Some Basic Line Spectrum and Chemistry Questions I Have

  • Owelode
  • · Replies 6 ·
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6

Determining D and L Stereoisomers: Explained

  • pzona
  • · Replies 1 ·
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1

Finding Mole Ratios of 3 Substances

  • disneychannel
  • · Replies 1 ·
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1

Understanding Energy vs. Enthalpy: Real Life Applications

  • pzona
  • · Replies 7 ·
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7

Km and Vmax dependence on enzyme concentration

  • p3t3r1
  • · Replies 1 ·
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1

Debunking Gem Therapy: Is Frequency Healing Real?

  • Cyrus80772
  • · Replies 16 ·
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16

What is the proposed name for Element 112 and why was it chosen?

  • Astronuc
  • · Replies 10 ·
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10

Calculating Final NaCl Concentration After Dilution

  • neoking77
  • · Replies 1 ·
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1

Which structure is correct according to its name?

  • cli
  • · Replies 3 ·
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3

Organic Chemistry - why not just three 2p orbitals in ethene?

  • lifeiseasy
  • · Replies 4 ·
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4

O-H Bonding (and ion dissociation)

  • pzona
  • · Replies 4 ·
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4

Solving Isotopic Symbols Problems: Ar-40 & Beyond

  • Meseria
  • · Replies 6 ·
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6

What are the different types of motion in a CH2 group in IR spectroscopy?

  • warenzeichen
  • · Replies 10 ·
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10

Increasing vapor pressure in water

  • gsingh2011
  • · Replies 1 ·
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1

Dancing bananas thread in chemistry

  • Borek
  • · Replies 4 ·
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4

How Do Fractional Bond Orders Arise in Resonant Molecular Structures?

  • mahela007
  • · Replies 1 ·
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1

Why are metals more dense than non-metals?

  • dolimitless
  • · Replies 3 ·
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3

Element abundance on earth's crust

  • Godwin Kessy
  • · Replies 1 ·
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1

What are the limitations of RP-HPLC in chemical analysis?

  • Shaybay92
  • · Replies 1 ·
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1

Does Titanium Dioxide React with Strong Acids and Oxidizers?

  • SkepticJ
  • · Replies 1 ·
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1

Possible Causes for Red Urine with Bleach Addition?

  • mintymurs
  • · Replies 2 ·
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2

Why Do Carboxylic Acids Deprotonate?

  • Racer77
  • · Replies 3 ·
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3

How can I improve molecule elution in thin layer chromatography?

  • chem_tr
  • · Replies 15 ·
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15

Need a glue that will withstand 250°C or 350°C

  • 0xDEADBEEF
  • · Replies 5 ·
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5

Gibbs Energy and Equilibrium Constant

  • BioPhysicDino
  • · Replies 1 ·
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1

Extracting energy out of hydrogen and oxygen

  • Jacquesl
  • · Replies 33 ·
2
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33

Difference between physics and chemistry

  • ehrenfest
  • · Replies 16 ·
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16

Do Different Gas Stations Offer Varying Quality of Gasoline?

  • jobyts
  • · Replies 28 ·
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28

Oxygen/cargon monoxide when burning

  • Georgevan
  • · Replies 6 ·
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6

How Can Methane Be Used as a Viable Fuel Source for Transportation?

  • puf_the_majic_dragon
  • · Replies 25 ·
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25

Alternative to HCFC: Ozone Layer Protection

  • coolTechno
  • · Replies 1 ·
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1

CO2 vapour pressure passed critical temperature

  • redargon
  • · Replies 7 ·
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7

Dielectric Strength Of Liquids: looking for data

  • Enthalpy
  • · Replies 5 ·
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5

Entropy & Osmosis: Brownian Motion & 2nd Law of Motion

  • menniandscience
  • · Replies 5 ·
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5

Organic Reaction Mechanisms: Memorizing vs. Computing

  • thornza
  • · Replies 2 ·
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2

Testing pH Change of Na2CO3 Solution After a Month

  • katchum
  • · Replies 11 ·
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11

How Many mg/l Are in a 3% Sodium Hypochlorite Solution?

  • wilsonctj
  • · Replies 3 ·
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3

How are smells created and mediated?

  • ScienceNerd36
  • · Replies 2 ·
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2

Lattice Diffusion : Techniques & Procedure

  • mubashirmansoor
  • · Replies 1 ·
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1
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1

Spin Quantum Number: Why is it Always + or - 1/2?

  • dhruvarora22
  • · Replies 4 ·
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4

Speculative Biochemistry: Because Earth is just one planet.

  • kldickson
  • · Replies 4 ·
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4

Smaller Packing Fraction, Higher Nuclear Stability - Chemical Kinetics

  • abhishek.93
  • · Replies 1 ·
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1

Why Does Water Require More Energy to Become a Gas?

  • menniandscience
  • · Replies 1 ·
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1

Create Lead Nitrate - A Step-by-Step Guide

  • highred
  • · Replies 12 ·
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12

Explaining the Kinetic Gas Equation

  • rohannet
  • · Replies 3 ·
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3

Q. about the Cossee-Arlman mechanism in alkene polymerization

  • anthemrider22
  • · Replies 2 ·
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2

Mixing bleach/disinfectants with glycerine

  • Rigby
  • · Replies 2 ·
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2

What is the best intro book for Chemistry

  • SELFMADE
  • · Replies 1 ·
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1

Measuring degradation/decomposition

  • dsfranca
  • · Replies 8 ·
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8

Looking for Exciting Chemistry Experiments to Try at Home?

  • thomasxc
  • · Replies 3 ·
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3

What would happen if propane was well-mixed with air?

  • DaveC426913
  • · Replies 12 ·
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12

Magnetic water? and a question or 2 about ions

  • another idiot
  • · Replies 28 ·
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28

Lab Experiment for Preparation of Ammonia

  • bhuwana65
  • · Replies 21 ·
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21

Understanding Carbon Electrons: Is the Chemistry Book Right?

  • leroyjenkens
  • · Replies 7 ·
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7
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1

Temperature Coefficient: Exothermic & Endothermic Reactions

  • abhishek.93
  • · Replies 4 ·
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4

Nuclear Reactions: Spallation, Reaction & Radioactivity | Identify

  • abhishek.93
  • · Replies 3 ·
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3

How does a Voltaic cell produce electricity using zinc and copper plates?

  • chound
  • · Replies 10 ·
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10

Electroanalytical Chemistry HELP

  • Lady Woodie
  • · Replies 3 ·
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3

Help with a peakfitting software

  • inko1nsiderat
  • · Replies 1 ·
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1

Chloramination and detecting chloramine with a total chlorine test.

  • Rexmundi
  • · Replies 2 ·
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2

Polybutene (Isobutylene/butene copolymer) 100% by wt.

  • AmRad
  • · Replies 4 ·
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4

Determining how compounds react

  • Kalagaraz
  • · Replies 3 ·
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3

Supercooling of water-what's going on?

  • BuddyPal
  • · Replies 3 ·
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3

How Can Surfboard Wax Avoid Sticking to Hair?

  • jctail
  • · Replies 5 ·
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5

Why and What are SP Carbon Orbitals When Hydrogens/Protons Removed?

  • HeartSoul132
  • · Replies 3 ·
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3

Is This Resonance Structure Valid?

  • HeartSoul132
  • · Replies 19 ·
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19

What is the meaning of Arrhenius behavior?

  • Topher925
  • · Replies 4 ·
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4

Wilderness Chemistry: What an Ultimate Chemist Should Know

  • kanzure
  • · Replies 4 ·
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4

IR Spectroscopy Help for Organic Chemistry

  • mastiffcacher
  • · Replies 1 ·
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1