Chemistry Forum

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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.
What do the numbers in front of electrolyte mixtures mean?
  • Pulik
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Trying to turn water into ice relatively quickly
  • Seanshine
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Difference between optically active and inactive compounds
  • Tahmeed
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Where Does Our Gasoline Come From?
  • Stephanus
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Does Mixing Fluids A and B Create a Predictable Thermal Capacity?
  • pomekrank
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Solids and Liquids in Kinetics and Equilibrium
  • UMath1
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Interesting compounds with alcohol functional group
  • Conservation
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Find Hexane, MEK, EA Densities at 40° | Database
  • Serena
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Oily substance on basement blocks
  • Greg Bernhardt
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How to Calculate the Length of Octanthiols in All-Trans Configuration?
  • diekatnoe
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Identify unknown compound/element
  • esprits300
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Finding a cheap way to disinfect water for social project
  • PraAnan
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Dalton's law for ideal gases at different temperatures
  • Elena14
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Acetic Acid + Ammonium Hydroxide Vapours
  • Janson Raymond Kenny
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Crystal Field Splitting of Actinides
  • jman1990
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Are bonds formed in higher energy levels weaker?
  • TT0
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Periodic Table Element Names: Latin vs. Germanic
  • Fizica7
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Synthesis of DF (Deuterium FLuoride)
  • jman1990
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How to say whether an element is more electronegative?
  • Anithadhruvbud
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New research or uses of diamond?
  • TT0
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Why nonpolar solvent "picks up" water?
  • Hyo X
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Hyperconjugation and electromeric effect
  • Karan Punjabi
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How Can I Convert Mol Fraction to Percentage?
  • rwooduk
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Why is diamond stronger than metals?
  • TT0
  • · Replies 7 ·
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Evaporation Rates of Water in Different Colored Buckets
  • simplequestions
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Conductive Silicon Carbide [Carborundum]
  • 3DTOPO
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Synthesizing Ethylene: C2H6O2 + 2Na → 2(CH2)
  • Praestrigiator
  • · Replies 13 ·
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Atomic radius and Ionization Energy Trends?
  • hamza2095
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Why do transition metals have multiple oxidation states?
  • TT0
  • · Replies 10 ·
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What Does a Chemist Have to Say? Borek's PF Insights Post
  • Greg Bernhardt
  • · Replies 37 ·
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How Does Temperature Affect Reaction Rate and Activation Energy Calculation?
  • stacope32
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What causes paint to change colour over time?
  • Superposed_Cat
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Entropy change in a reversible isothermal process
  • Sylvia
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How do I safely react NaOH with HF to yield H20 and NaF?
  • Comeback City
  • · Replies 14 ·
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How can I recreate this pressure boiling experiment
  • cazzuey
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What is the force responsible for bonding between atoms in a covalent molecule?
  • Anonymous Vegetable
  • · Replies 16 ·
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Nickel(III) reduction in electrolysis?
  • Latsabb
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Cost-effective (and green) monitoring of plant water
  • cremor
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How was Mendeleev's table suitable for accomdating noble gas
  • Anithadhruvbud
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How do I learn to make isomers for a compound?
  • Anithadhruvbud
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How can water be boiled without using heat?
  • cazzuey
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How has radiocarbon in fossil fuels survived for millions of years?
  • JPKerz
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Can I turn hydrogen gas into electricity without purchasing a fuel cell?
  • drew wood
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Will Boiling Water Create Humidity?
  • pandaexpress
  • · Replies 10 ·
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Learn About Using the Liter in Chemistry Courses
  • brycenrg
  • · Replies 47 ·
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Kinetic vs thermodynamics control
  • Delta what
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Which group has greater steric hindrance?
  • vetgirl1990
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Understanding the Role of Calibration in Vapour Pressure Determination
  • lee403
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Which compound will be extracted in organic layer?
  • vetgirl1990
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Electroplating with mixed metal electrodes?
  • Latsabb
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PH Tester for Solids: Buy, Price & Info
  • sirsomething
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Does B2 Have a Sigma Molecular Orbital?
  • Karan Punjabi
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Measuring Alkyl Chain Cross-Sectional Area for Gibbs Adsorption
  • bobey
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Make Spray Wax with Paraffin & Aerosol Can
  • Michael Grannis
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Why Don't Intermolecular Forces Play a Significant Role in CO2 Molecules?
  • UMath1
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Type of Reaction: Ethene + Steam --> Ethanol
  • Colin Cheng
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Sodium Bicarbonate Thermal Decomposition
  • Robert Flynn
  • · Replies 21 ·
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Problem measuring PH (it oscilates) for gastric juice
  • alexepascual
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New solution found for Gold extraction
  • pyroartist
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Al(OH)3 as an electrolyte. What does it produce?
  • gabede
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Is it possible to repackage carbonated drinks at home?
  • KTdrinks
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What is the difference between valence and conduction bands in metals?
  • UMath1
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Can Sodium Ions in the Brain Be Excited with Electromagnetic Radiation?
  • fredreload
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Why can't all metal oxides be reduced by a redox
  • Revengeance
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Why Doesn't Nitric Acid React with Copper Oxide?
  • Revengeance
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Calculate Neutralizing Value: 3 Parts K2CO3
  • Robert Flynn
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Oxidation number of carbon in (NH4)2C2O4
  • Emmanuel_Euler
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What Happens to an Electron When it is Excited and Removed from an Atom?
  • UchihaClan13
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What is the Standard Enthalpy of Water?
  • Stephanus
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Nontoxic, high transmittance, high density fluid
  • MegaKuo
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Is Alchemy Allowed in Scientific Forums?
  • alchemical
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Producing Methane from Sugar - PF Forum
  • Stephanus
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TiO2 Dispersion in Water: Challenges and Solutions
  • Anne
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How Does Energy Affect the Excitation of Electrons in Multi-Electron Atoms?
  • UchihaClan13
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Making Rock Candy: Troubleshooting Sugar Crystallization
  • JonnyG
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Affordable Iridium Plating Solution for DIY Projects or Professional Services
  • rppearso
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Speed of electromagnetic radiation
  • bluemoonKY
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What does cold hydrogen gas emit at 1420 MHz?
  • bluemoonKY
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Elemental iron in ferrous sulfate
  • barryj
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Spectrochemical series explanation
  • MathewsMD
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Delocalisation of Charge Explained for Resonance Effect
  • Priyadarshini
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How does the Pauli Exclusion principle explain ionization E?
  • fangrz
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Looking for a specific material
  • corpetit
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Design of experimental device for sugar monocrystallisation
  • chemaster
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Precisely define valence please
  • ags3927
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How to Calculate CO2 Saturation Levels in Saline Water?
  • uri segal
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Is there always a liquid surface between a solid and gas?
  • curiousoldguy
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Producing Methane from Composting: Benefits & Process
  • Stephanus
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Three biggest factors to determine if atoms will bond
  • NotASmurf
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Since saturated solutions are equilibriums....
  • TT0
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What do you call elements below metalloids?
  • TT0
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Thistle tube height when setting up gas generator
  • TT0
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Question about tenting in H NMR
  • smulc
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What is the Setup Called that Collects Water from the Cu Reduction Process?
  • TT0
  • · Replies 9 ·
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Molar conductivity and conductivity of an electrolyte
  • Dexter Neutron
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How much methane is produced from 1 kg of typical organic waste?
  • Stephanus
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Acid/Base Question on acidity of salts
  • RoboNerd
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Chemical PCP found in older Electrical Transformers
  • Seth Vogt
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Method for bubbling gas into a liquid at a specific rate?
  • rwooduk
  • · Replies 3 ·
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Uncovering the Mystery of Oxygen's Hybridization in H2O
  • Karan Punjabi
  • · Replies 15 ·
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