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.
Do chocolates have a melting point and what controls it?
  • waterfall
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Ring Expansion of 1,3-Methylcyclopentene with H-Br
  • morgan8222
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Definition of the Gibbs free energy
  • Bipolarity
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What is the dipole moment of 1,3,5-trichloro benzene based on the given data?
  • leopold123
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Sulfuric Acid - Ionic, Polar Molecular or Non Polar Molecular
  • shahmeer
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2
Confused about gibbs free energy
  • jd12345
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3
How to determine enthelpy of formation
  • Norseman
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4
Standard conditions vs. Standard state
  • Bipolarity
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Comparing Oxidising Power: MnO4 - versus MnO2 and ClO4- versus ClO-
  • jd12345
  • · Replies 4 ·
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Calculating Solutions w/w: Beginner Question
  • Delicieuxz
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6
Tetrahedral and square planar crystal fields?
  • Bipolarity
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Cylohexanol stability of conformations
  • Chemist20
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Relationship of TQM, QA, QS and QC
  • CrimpJiggler
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What is wrong with my Antimony Trichloride ?
  • Panthera Leo
  • · Replies 1 ·
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1
The Titration Paradox: How Can pH = 7 at Two Different Volumes of Titrant?
  • Bipolarity
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Electrostatic induction in Solutions?
  • Phyzwizz
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3
Can Metals React with Water in Addition to Acids?
  • sgstudent
  • · Replies 10 ·
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10
What happens when you mix C9H8O4(s) + HCl(l)?
  • ChMP
  • · Replies 2 ·
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Is Hydrochloric Acid Ever Basic When Diluted Infinitely?
  • Bipolarity
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Does Le chatlier's law apply if reactants are liquids and a product is solid?
  • kenshi64
  • · Replies 6 ·
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6
Why, at lower altitudes, does the atm change more rapidly?
  • Bipolarity
  • · Replies 11 ·
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11
Galvanization and more reactive block
  • sgstudent
  • · Replies 5 ·
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5
What is the significance of pH in a basic solution?
  • Bipolarity
  • · Replies 4 ·
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4
Freezing point depression constant value clarification.
  • LexLuthor
  • · Replies 1 ·
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Density vs Mass: Does Lower Density Mean Lighter?
  • Notwen7
  • · Replies 3 ·
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3
Relationship between valence electrons and electron configuration
  • Rulesby
  • · Replies 1 ·
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The taste of hot water vs. cold water
  • Vpoyid
  • · Replies 4 ·
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Identify Unknown Household Items
  • ChMP
  • · Replies 1 ·
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Reactions of Halogens with Metals
  • tevatron1
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Whether sum of weight of proton and neutron is equal to atomic mass?
  • newbe
  • · Replies 1 ·
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Cis-trans Selectivity in Wittig Reactions
  • brettlawrie
  • · Replies 2 ·
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What can I use to make clear dish soap thicker?
  • everywhere
  • · Replies 5 ·
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5
Heat-driven chemical reaction and thermodynamics
  • vemvare
  • · Replies 3 ·
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3
Can I use Le Châtelier's Principle to prove Henry's Law?
  • Bipolarity
  • · Replies 19 ·
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Practicality of Bio-Degradable Pots
  • PVastro
  • · Replies 2 ·
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2
Phenol to Benzene: The Role of Zinc and Divalent Metals in Conversion
  • jd12345
  • · Replies 1 ·
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Sacrificial metals and displacement of metals
  • sgstudent
  • · Replies 1 ·
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Purging Carcinogens from used Cig Filters
  • PVastro
  • · Replies 7 ·
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7
How would I find the half-reactions?
  • Bipolarity
  • · Replies 5 ·
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Understanding Salt Crystal Lattice: Factors Influencing Crystal System Selection
  • jd12345
  • · Replies 4 ·
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4
Electrolysis (Chemistry) with electrochemical cell
  • custardapple
  • · Replies 2 ·
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Claisen Rearrangement for this molecule
  • di50rder
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Ions & Electron Transfer: How Does it Work?
  • Hunus
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What are the Bond Angles in Cyclopropane?
  • Bipolarity
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What is the point of ultrafast laser spectroscopy?
  • chill_factor
  • · Replies 1 ·
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Cold Asphalt: Permanent Pothole Repair in a Single Step
  • Charles123
  • · Replies 3 ·
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3
Find Electron Affinities Higher than 1 for I, C & H
  • Gab
  • · Replies 4 ·
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4
Molality and the von Hoff factor.
  • Bipolarity
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Electrolysis when multiple ions present
  • jd12345
  • · Replies 2 ·
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2
Gibbs free energy change at constant pressure is zero?
  • jd12345
  • · Replies 5 ·
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5
What is the role of catalyst in various reactions?
  • jd12345
  • · Replies 7 ·
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Ion naming confusion with the bi prefix
  • Bipolarity
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Ionic or covalent in tetrahydroxoaluminate ion?
  • Bipolarity
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Chemistry Major, want to go into Physics now
  • gish88
  • · Replies 1 ·
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Understanding the Bond Length Differences in sp3d and sp3d2 Hybridization
  • jd12345
  • · Replies 9 ·
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Descriptive kinetics notes needed
  • roym6
  • · Replies 1 ·
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1
Question about copper(II) phthalocyanine structure
  • jorgeluisg
  • · Replies 1 ·
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Bending distilled water with static electricity
  • Edgardo
  • · Replies 26 ·
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Why are there anomalies in the properties of water?
  • waterfall
  • · Replies 2 ·
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2
Orbital Hybridization - Real or Approximation
  • dalcde
  • · Replies 6 ·
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6
What causes absence of mesomeric interaction in benzoic acids?
  • Vectorcrust
  • · Replies 2 ·
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Effect of Temperature on Chemical Equilibrium
  • Bipolarity
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Favorite Element Poll - Einsteinium, Seaborgium, Lawrencium, Fermium, Uranium
  • beatlemaniacj
  • · Replies 50 ·
2
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Thermal stability vs melting point
  • sgstudent
  • · Replies 3 ·
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C7-10-ISO Alkane: CAS No. 90622-56-3
  • japcarmaniac
  • · Replies 3 ·
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Identify unkmown compound lab HELP
  • noork85
  • · Replies 2 ·
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Electrochemists brain teaser-copper electrolysis
  • mooliak
  • · Replies 1 ·
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Ion-dipole effects vs. atomic radius
  • Bipolarity
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Does bond polarity affect bond strength and length in covalent compounds?
  • Bipolarity
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How does a person die immediately after taking cyanide?
  • Srini karthik
  • · Replies 4 ·
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How to determine zinc in a plant.
  • kenshi64
  • · Replies 9 ·
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Why Zinc is a Metal: Explaining Low Melting Point
  • swapneel5
  • · Replies 1 ·
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How to tell if ionic compound has a higher melting point?
  • sgstudent
  • · Replies 2 ·
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Reference Electrode: Choosing & Principal Mechanism
  • Monique11
  • · Replies 2 ·
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Safe nitrogen compound to decompose a 500 deg C in a furnace?
  • Andy Ward
  • · Replies 1 ·
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Boiling Point before Melting Point?
  • zorro
  • · Replies 13 ·
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[ask]electron inside drinking water
  • johanpeff
  • · Replies 1 ·
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How to avoid formation of Lithium Chromate ?
  • Panthera Leo
  • · Replies 4 ·
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Caculating the enthelpy change of reaction from delta T values(experimentally)
  • kenshi64
  • · Replies 10 ·
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Looking for a safe endothermic chemical reaction
  • Chad2012
  • · Replies 5 ·
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Boiling and melting point of impure substances
  • sgstudent
  • · Replies 2 ·
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How to choose a reduced or oxidated form in a redox
  • Peppe
  • · Replies 2 ·
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Numbers if molecules for differnt velocities in gas
  • georg gill
  • · Replies 2 ·
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Does the equilibrium constant have units?
  • jetwaterluffy
  • · Replies 8 ·
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Do Dissolved Bases Form Ion Pairs in Water?
  • clarinets
  • · Replies 6 ·
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Why do atomic radii increase as you move down a column in the periodic table?
  • M. next
  • · Replies 6 ·
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Is the Hybridisation of Manganese in MnO4- Really sp3?
  • jd12345
  • · Replies 4 ·
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How do you find the number of hydrogen bonds between molecules?
  • MeMoses
  • · Replies 3 ·
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Why do modern periodic tables show eighteen groups instead of eight?
  • Dadface
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Does Boric Acid Expire ? or become B2O3 after 5-10 years on its own?
  • mubashirmansoor
  • · Replies 3 ·
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Is Potassium More Reactive Than Lithium? A Look at the Electrochemical Series
  • jsmith613
  • · Replies 4 ·
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Extraction: Distribution Coefficient
  • heyconner
  • · Replies 1 ·
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This whole unit thing of mols is somewhat tricky and interesting. if
  • LT72884
  • · Replies 4 ·
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4
Searching for a Chemical Reaction to Produce Heat and Harmless Gas
  • lrussell
  • · Replies 4 ·
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4
Cooking Tomato Juice: Investigating Vitamin C Concentration
  • PhiPhenomenon
  • · Replies 6 ·
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What's the difference between H3C and CH3?
  • tony873004
  • · Replies 6 ·
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Citric acid effect on body chemistry pH
  • dansavage
  • · Replies 6 ·
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A question on Molecular Orbital theory
  • tomothy
  • · Replies 2 ·
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Need help, Activation energy determination from this reaction. Is this possible?
  • himynameis
  • · Replies 4 ·
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4
Does Solvent Affect Chirality in Fluoro-Chloro-Bromo Propanone Reactions?
  • bsrishu
  • · Replies 14 ·
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14