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.
Why is the standard entropy of aqueous ions negative?
  • Nikitin
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Checking Average Atoms in 1 m^3 of Atmosphere at STP
  • mesa
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4
Sampling Error, Homogenous Mixture, Heterogenous Mixture: Benefits/Drawbacks
  • ASidd
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If water is covalent, why is hydrogen H+ ?
  • hasankamal007
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3
How is hydrogen more stable in diatomic form?
  • vanmaiden
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What is a mole (mol) and g/mol?
  • Leoragon
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How does Buckminsterfullerene work?
  • nukeman
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Chemical energy into mechanical.
  • peripatein
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7
How can smelting be used to extract fool's gold from rocks?
  • John1397
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What is the wavelength of the light？
  • atsum
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3
Atomic Radii Trends: Anion vs Periodic Table
  • krackers
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7
Are Electrically Charged Fluids Safe for Flies to Consume?
  • nukeman
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3
How Does Electron Affinity Relate to Energy Release in Gaseous Atoms?
  • shanewatson
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What is mole fraction solubility?
  • jayadds
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Pressure and temperature of steam to produce water gas
  • pranj5
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3
Acetanilide Solubility: Is It Soluble?
  • PhiPhenomenon
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5
Help Me Understand WOW in Chemistry for Panel Discussion
  • anigeo
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1
I don't understand why it's chiral. It's not like any of the phenyl
  • Harrisonized
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3
Question about acetic acid buffer solutions
  • mesa
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4
Physics and Chemistry relationship
  • Noziroh
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8
Why did Bohr's model work for 1 electron systems?
  • mahrap
  • · Replies 7 ·
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7
If I have two elements A and B, is the compound AB the same as BA?
  • Raziel2701
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How Electrodes in salt solution can increase the electric potential
  • Lucid Dreamer
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3
Good 101 chemistry books? and databooks?
  • christian0710
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3
Difference b/t Colloidal solution and slurry?
  • aslyons
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Why is H3O+ Positively Charged and NCO- Negatively Charged?
  • krackers
  • · Replies 14 ·
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14
Calculating Mass of Subsample of Tobacco & Barium Hydroxide
  • waqaszeb
  • · Replies 1 ·
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1
Difference Between Cis/Trans & Z/E: Explanation & Examples
  • Luscinia
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Can Pure Carbon Substitute for Starch in the Iodine-Water Clock Reaction?
  • minus459.67
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Is heat capacity dependant on volume or pressure?
  • Nikitin
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Rate of reactions vs. HEat energy evolves per second inititally
  • yannguyen
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1
Why do sticky substances tend to be shiny?
  • BT2
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Why is Energy Released During Bond Formation?
  • shanewatson
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Why # of protons behave this way
  • rcttsoul2
  • · Replies 11 ·
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11
Simplest self-replicating molecule?
  • madus
  • · Replies 10 ·
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10
Chemical Kinetics - Concentration/time
  • ohms law
  • · Replies 8 ·
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8
Crystal Structure & Metallic Bond: What Comes First?
  • Raziel2701
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4
Adsorption of Benzene using Activated Carbon - Increase in concentration?
  • FaNgS
  • · Replies 8 ·
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How to change Zinc Oxide surface area/particle size?
  • bubloo123
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Why is NaCl in the gas state covalent?
  • Raziel2701
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3
Can CO be Broken Down into Carbon & Oxygen?
  • zoobyshoe
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5
Electrolytic cell half reaction equations?
  • Jack Litmus
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Can Wavelength Be Negative if Velocity is Negative in Wave Behavior of Matter?
  • daivinhtran
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Determing the mass percent of chloride from a mixture of NaCl and KCl salts
  • waqaszeb
  • · Replies 5 ·
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Where can i learn how Gaussian calculations various molecular properties?
  • mycotheology
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Properties of polyhalogen compounds in Solution
  • greensco
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Looking for chemical that can clean hard water stain on glass.
  • yungman
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What does the radial wave function represent?
  • Zatman
  • · Replies 10 ·
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Amount of energy required to split zinc-oxide
  • goleynik
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3
What are the different ways bonds can be represented?
  • sarvesh0303
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Gaussian - What exactly does the second derivative of the PES represent
  • mycotheology
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4
Is Chlorine Gas Soluble and Highly Reactive Due to Its Covalent Bond?
  • lamball1
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Separation using acids and bases
  • member 392791
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What does solution per liter of vinegar mean?
  • FLgirl
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2
Can Heat Weaken Chemical Bonds and Make Them Easier to Break?
  • goleynik
  • · Replies 7 ·
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Confused by Chemistry? Get Answers Here!
  • FLgirl
  • · Replies 2 ·
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Why do some elements exist as biatomic gases?
  • scientifico
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Can RO Membranes Determine and Filter Molecular Size of Solutes?
  • bhaazee
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About noble gases compounds and XeO3
  • Weissritter
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3d orbital after 3p?Why not 4s?
  • easwar2641993
  • · Replies 16 ·
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Food Hot Plate vs Science Hot Plate
  • mishima
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6
What Determines the Presence of a P-Orbital in an Atom's Electron Configuration?
  • AbsoluteZer0
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Why does current change direction in cyclic voltammetry?
  • LogicX
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Gaussian - Using Hybrid Functionals
  • mycotheology
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4
Basic Gaussian question - What do stability scans mean?
  • mycotheology
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3
The Melting Point of Diamonds: Burning or No Burning?
  • Weissritter
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Why do gases not conduct electricity at ordinary pressure?
  • shanewatson
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Unveiling the Colour Secrets of Chemicals: Understanding CuSO4 and PbI Hue
  • phy1210
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Strange pigmented things in Subway napkin
  • papernuke
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Why is the ABMO more destabilized then BMO is stabilized
  • hivesaeed4
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Predicting the Melting Point of Stereoisomers: A Scientific Inquiry
  • disneychannel
  • · Replies 8 ·
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Hydrogen peroxide production in water electrolysis
  • ComptonFett
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Fiberglass degradation by salt water
  • Charles123
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Carbon dioxide density & distribution in the atmosphere
  • Seniour Baloc
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3
How to convert Antimony Sulfate to Sb2O3?
  • Panthera Leo
  • · Replies 7 ·
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Why Is Organic Chemistry So Challenging for Some Students?
  • member 392791
  • · Replies 4 ·
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4
What Are the Key Questions About Thermite Reactions?
  • goleynik
  • · Replies 4 ·
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Bond dissosication energy question
  • cake_is_a_lie
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Does Higher Surface Energy Influence Adhesion and Wetting in Similar Materials?
  • rexol
  • · Replies 8 ·
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Compute electrostatic field
  • mather
  • · Replies 3 ·
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3
Discover Glace Luxury Ice - Cools Quickly & Minimizes Dilution
  • Bloodthunder
  • · Replies 11 ·
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Understanding Well Depth and Its Relationship to Bond Energy
  • mather
  • · Replies 5 ·
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5
Factors of interaction between atoms
  • mather
  • · Replies 8 ·
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How Can I Safely Remove Sticky Residue from an HCl Bottle?
  • mishima
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3
Any type of material that expands with electricity?
  • goleynik
  • · Replies 5 ·
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5
Length of Miller Urey Experiment
  • ChiralWaltz
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Corrosiveness of NaOH (Problem)
  • eggman100
  • · Replies 1 ·
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Few questions about Gaussian terminology
  • mycotheology
  • · Replies 5 ·
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How dangerous 1,4 benzenedithiol is?
  • yfir
  • · Replies 6 ·
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How long does it take you to write a prelab or lab report for chemistry lab?
  • annoyinggirl
  • · Replies 2 ·
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Spectroscopy: Determining Phenol Concentration using Calibration curve
  • chemnerd666
  • · Replies 8 ·
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Calculating average atomic mass
  • Akshath
  • · Replies 3 ·
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3
Why chemistry is so difficult ?
  • johncena
  • · Replies 53 ·
2
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Protein Fossil Formation: A Novel Approach to Studying 3D Structures
  • mather
  • · Replies 4 ·
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4
Difference between Capillary Rise and Capillary Depression
  • Saterial
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Self-sulfate sulfate and other ions
  • Weissritter
  • · Replies 5 ·
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5
Why does aluminum leech into a water bottle, but stainless steel does not?
  • pa5tabear
  • · Replies 12 ·
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12
How to properly prepare for org. Chemistry exam?
  • Lokratin
  • · Replies 1 ·
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1
Can I safely change the color of the flames in my fireplace?
  • pa5tabear
  • · Replies 9 ·
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9
Discovering a Protein's Primary Structure: Methods and Strategies
  • mather
  • · Replies 13 ·
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13