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.
Sandmeyer isatin synthesis - tarry material?
  • teenspeerit
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Emergency Flare: Burning Long and Bright - Learn How to Make It!
  • TsuB
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Hydrate dissolving in it's own waters
  • flatmaster
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80% ethanol mixed with 20% diesel
  • Low-Q
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Can anyone recommend any chemistry forums?
  • sankalpmittal
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Tertiary Alcohols: Can't be Oxidized & Breaking C-C Bonds
  • GeneralOJB
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Absorption with UV/VIS spectrometer
  • w.shockley
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Anode erosion of a moisture probe
  • this_tim
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How Does Removing Ammonia Affect Chemical Equilibrium?
  • TheRedDevil18
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Preservation of Sugar Feedstock for Bioethanol/Animal Feed
  • mellotango
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8
Pen ink faded off upon heat(or maybe sunlight)
  • coconut62
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Charge of antimony pentafluoride
  • coconut62
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How to Clean a Cast Iron Fry Pan with Thick Calcium Deposits?
  • John1397
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Melting and recasting pure iron bars?
  • wmingin
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2
Doubts about potential energy, bonding and chemical reactions
  • iforu
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6
Synthesis of methanol from CO2+H2
  • Richard_Steele
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Ethane rotation at room temperature
  • abinit
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5
Systematic Treatment of Molar Solubility
  • Big-Daddy
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Nitro Piston Air Gun: Benefits & Mechanism Explained
  • rws45user
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Why activated carbon absorbs colored particles? Why colour matters?
  • tsuwal
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What Makes Nitrates So Explosive?
  • tsuwal
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Relationship between photochemical mechanisms and chiral molecules
  • ChiralWaltz
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Reason for NMR results not being proportional with C-13
  • paranoid times
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How to Make a Standard Additions Curve?
  • phpbyte
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How does electroplating work at the atomic scale?
  • frenchman
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Concentration of water vs. equilibrium
  • christian0710
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Are All Charged Molecules Polar and Can Polar Molecules Be Uncharged?
  • christian0710
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Can 2-Pentanol Be Synthesized Through Fermentation?
  • quicksilver123
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Why is chlorine the central atom in a chlorate ion
  • Coco12
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Is 2-Methyl-1-Propene the Correct Naming for this Molecule?
  • quicksilver123
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Entropy Variation - System, Neighborhood and Universe
  • jaumzaum
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Why is the Shape of Hydrogen Selenide (H2Se) Bent?
  • coconut62
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NIOSH indicates solubility in percentage. What is the meaning?
  • tsuwal
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How to draw Lewis structure of molecules with N
  • tinir
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Molecular mass of He+MON and He+MMH
  • hamzaaaa
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How Long Does It Take for CO2 to Diffuse in a Nitrogen-Filled Vessel?
  • rad10k
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Question about Helium at absolute zero
  • kjamha
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Understanding Protecting Groups in Organic Synthesis: When to Use TBDMS-Cl
  • member 392791
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Which Substance in Blood Catalyzes Hydrogen Peroxide Decomposition?
  • alingy1
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Why is solubility of HBr Less Than HCl ?
  • Point Conception
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Stoddard solvent, Mineral spirit, what's the difference?
  • strangerep
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Solar-distilled Water & your health
  • chrtn
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Chemical Reactions of Substances & Professors' Advice
  • serendipity21
  • · Replies 21 ·
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How Do Lead Acid Battery Reactions Work?
  • OmCheeto
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Is a .1M HCl solution more acidic than a .2M HCL solution ?
  • Point Conception
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Chemical to absorb oxygen and nitrogen
  • cragar
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Metals and Coordination Chemistry
  • Big-Daddy
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Solutions, solvents, solvability and statistics
  • Storm89
  • · Replies 12 ·
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12
Can water be instantly vaporized without reaching its boiling point?
  • GTeclips
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Position of subshells in a bond
  • coconut62
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Advice needed regarding MgCl2 analysis and purification
  • treader
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Rusting of Nails in Salt Solutions
  • dazza95
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Exact Solutions for Kinetics of 2A + B → C + D Reaction with Rate Constant k
  • Big-Daddy
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I'm confused about this excited electron configuration
  • veganscientist
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Why does the enthelpy equation include work (PV term) twice?
  • JeweliaHeart
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Solving Titration Problems: NaOH + Oxalic Acid
  • ASidd
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Where can I find organic chemistry exercises with solutions?
  • tsuwal
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Corrosion data using Electrochemistry
  • Sgta
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Hybridized orbitals (can't understand diagram)
  • coconut62
  • · Replies 14 ·
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Equilibrium Constant Table Method
  • TheRedDevil18
  • · Replies 10 ·
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Bowl turns black with heat Strange physicochemical phenomenon
  • tsuwal
  • · Replies 11 ·
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Help required with chemical formula and spectrophotometry
  • spekky_bandit
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2
Pentagonal Bipyramidal and Square Antiprismatic
  • Big-Daddy
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Experimental demonstration of existence of atoms
  • HJ Farnsworth
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Confused about mole ratio being relative or absolute
  • Dorslek
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Need opinion on titration question
  • ASidd
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Alumina aerogel as refractory material
  • yrtsimehc
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Buffer (pH of a weak acid decreases when we add NaOH Yes, really
  • daivinhtran
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Fischer–Tropsch process and catalysts?
  • Magnethos
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Which HPLC Column is Best for Separating Enantiomer Proteins?
  • stanley007
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Can Perlite Be Used as Vacuum Insulation for Cryogenic Hydrogen Tanks?
  • Q_Goest
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Help with a non-water based conductive liquid at room temp.
  • P_S_K
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Troubleshooting Titration: Hair & Water Effects
  • ASidd
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Variable valency explanation and cause
  • adi1998
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Iodide Oxidation by Hydrogen Peroxide
  • buzzingbee
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What is the science behind the tastes and smells of food?
  • CGallin
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How Can I Make Catalyst Pellets from Zeolites?
  • marcio
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How do halogens appear in nature?
  • quicksilver123
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Is there a mathematical way to balance equations (by hand)?
  • PhizKid
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Singlet oxygen in combustion-(Why is it not being used)?
  • hobbs125
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Do Ionic Hair Dryers Really Work?
  • jackiecarty
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Clarification of forces involved in electron shielding
  • BritKnight
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Determine if chemical equation is exothermic or endothermic?
  • TheRedDevil18
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Diethyl Phthalate Specific Heat Capacity
  • temaire
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Activation energy/bond enthelpy
  • GeneralOJB
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Spontaneous Reactions and Enthelpy
  • LordWillO
  • · Replies 1 ·
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Structural orientation of CO3 (2-)
  • quicksilver123
  • · Replies 11 ·
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Good online lectures/material for Gen Chem?
  • Scintillation
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How many cubic feet of gaseous hydrogen are in one gallon?
  • GTeclips
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Safe lab setup help required - carbon treatment under reflux
  • FaNgS
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How Does Compression Affect Temperature in Ideal Gas Laws?
  • SBob
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When tissue gets wet,it becomes weak
  • asdff529
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Does Organic Chemistry Have Strong Roots in Computational Chemistry?
  • QuantumChemist
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Surface Area/Pressure/Ideal Gas Law
  • danielu13
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What is meant when someone says 50% solution of NaCl?
  • mikepl1
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Is Hydrogen a Metallic Element?
  • jduster
  • · Replies 16 ·
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What is the role of sulfur in black powder?
  • iknownth
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How Do I Calculate Powder Amount in Grams for NKBT Perovskite Material?
  • paramahamsa
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Is the Molecular Weight of Quantum Dots Inclusive of Organic Ligands?
  • yfir
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Cinnamaldehyde from cinnamic acid
  • deep838
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5