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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.
Fe Ag reactions in used photo fix solution question.
  • mesa
  • · Replies 19 ·
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Thermal decomposition of calcium carbonate ?
  • makky2008
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4
Diprotic acids and weak acids/bases
  • MathewsMD
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3
Why do greenhouses gases need to have dipoles?
  • FredericChopin
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1
Why does water have higher entropy than helium?
  • MathewsMD
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1
How do collisions between gas molecules result in equal average kinetic energy?
  • chemistry1
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2
Why are antiaromatic compounds less stable than aromatic compounds?
  • avistein
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3
Help interpreting molal boiling point constant.
  • christian0710
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1
Why can substances with endothermic heat of solution dissolve?
  • STEMucator
  • · Replies 1 ·
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1
Gas Phase Ion Chemistry vs. Plasma Chemistry
  • Kryptonite-19
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3
Why does a silicon atom in a silicon lattice have 4 single bonds?
  • CraigH
  • · Replies 3 ·
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3
Is it Possible to Flash Freeze the Human Brain and Send it into Space?
  • Chase
  • · Replies 3 ·
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3
What is the difference between gibbs free energy and activation energy
  • abi.ayan
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1
When do you use q=mc(Tf-Ti) versus q=c(Tf-Ti) in thermochemistry calculations?
  • genevievelily
  • · Replies 2 ·
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2
Hybridization of orbitals for Phosphorus in Phosphate Ion
  • Conservation
  • · Replies 3 ·
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3
Slow precipitation of calcium carbonate.
  • duke656
  • · Replies 2 ·
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2
Chemical transformation (Decomposition)
  • chemistry1
  • · Replies 1 ·
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1
Oxidation number in acidic medium
  • Bandarigoda
  • · Replies 7 ·
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7
Displacement reaction at solubulity limit. Does it stop or precipitate
  • chemnoob
  • · Replies 1 ·
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1
Can a Gas Remain the Same Temp When Compressed?
  • Sleestak
  • · Replies 1 ·
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1
What Could Be Causing Fluctuations in Quantum Yield Measurements?
  • amattiol
  • · Replies 1 ·
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1
What Defines a Feeble Acid in Chemistry?
  • chemnoob
  • · Replies 5 ·
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5
A few questions about anodization
  • asdff529
  • · Replies 5 ·
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5
What is the relationship between ΔG, ΔH, and ΔS in thermodynamics?
  • MathewsMD
  • · Replies 3 ·
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3
Proper material for electrolytic cell?
  • mesa
  • · Replies 4 ·
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4
What exactly causes osmotic pressure?
  • sameeralord
  • · Replies 1 ·
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1
Phosphorous ion in solution and subsequent electromigration?
  • dustyd
  • · Replies 1 ·
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1
Cross Cannizzaro and Intramolecular Cannizzaro
  • andyrk
  • · Replies 2 ·
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2
Are there any material that contact with water and expand?
  • kevin_tee
  • · Replies 8 ·
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8
Anyone have experience with recovering silver from fix?
  • mesa
  • · Replies 4 ·
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4
Kinetics Assumptions: Approximations & Equilibria
  • Big-Daddy
  • · Replies 13 ·
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13
How to Purify Acetone with Magnesium Sulphate & Activated Carbon
  • scienceboy2000
  • · Replies 1 ·
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1
Limitations of the nernst equation
  • Tedstain
  • · Replies 5 ·
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5
Solving Depigmentation Problem in Hair Extensions
  • sban90
  • · Replies 5 ·
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5
What is the Correct Method for Measuring CO2 Gas Volume?
  • duke656
  • · Replies 12 ·
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12
Are all exothermic processes exergonic?
  • MathewsMD
  • · Replies 11 ·
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11
Determining Charges of Polyatomic ions
  • Tclack
  • · Replies 3 ·
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3
Mechanism of Oobleck - Non-Newtonian Fluid
  • SgrA*
  • · Replies 1 ·
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1
Why are Tertiary Alkyl Halides More Reactive Than Secondary and Primary Ones?
  • andyrk
  • · Replies 7 ·
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7
Donnan equilibrium -how is the potential difference caused?
  • Urmi Roy
  • · Replies 10 ·
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10
Substance or chemical reaction, that is highest rate in changing mass
  • roineust
  • · Replies 4 ·
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4
What is the energy of an atom and does it exist when heat energy is absent?
  • abi.ayan
  • · Replies 2 ·
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2
Optical Activity: How Do Chiral Molecules Rotate Light?
  • Vivek des
  • · Replies 5 ·
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5
Determination the compound is organic or inorganic
  • Deadevil
  • · Replies 3 ·
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3
Electron behavior in covalent bonds
  • Mhorton91
  • · Replies 6 ·
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6
Homebrewing beer and galvanic corrosion
  • coktail
  • · Replies 3 ·
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3
Determining ethanol and methanol content in homemade booze
  • Superposed_Cat
  • · Replies 16 ·
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16
Gas collected over water & Fick's Law
  • skaai
  • · Replies 7 ·
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7
Substance is in equilibrium between its vapour and liquid
  • MathewsMD
  • · Replies 2 ·
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2
Electrochemical reduction of Hydrogen forms hydride?
  • Zensation
  • · Replies 5 ·
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5
What is the unit cell and coordinates for wurtzite crystal structure?
  • aaaa202
  • · Replies 1 ·
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1
What happens with fats after exercise?
  • Frigorifico
  • · Replies 3 ·
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3
What Factors Influence Vapour Pressure and Molecular Escape into the Gas Phase?
  • MathewsMD
  • · Replies 9 ·
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9
WHy are ionic bonds intramolecular forces?
  • sgstudent
  • · Replies 2 ·
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2
Mass of Light Bulb Change From Adding Ideal Gas
  • MathewsMD
  • · Replies 4 ·
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4
Explaining the 2 in Δt = 2L/vx in Kinetic Theory
  • MathewsMD
  • · Replies 1 ·
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1
Side chains numeration of proteins (example Cytochrome C)
  • Lindsayyyy
  • · Replies 1 ·
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1
Problem in determining the moisture content
  • tsy8804
  • · Replies 1 ·
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1
E=mc^2 states mass and energy are interchangeable but ?
  • jagdishdash
  • · Replies 5 ·
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5
Software to find similarity of two molecules
  • Trave11er
  • · Replies 4 ·
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4
Removing impurities via recrystallization
  • scienceboy2000
  • · Replies 3 ·
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3
How to ship catalytic material into the US
  • marcio
  • · Replies 3 ·
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3
Effects of Pressure on Water: Explained
  • dhulke
  • · Replies 2 ·
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2
How to Determine the Wavelength to Cleave O-H Bonds in Water?
  • member 392791
  • · Replies 4 ·
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4
Corrosion Vs Oxidation: Differences?
  • koolraj09
  • · Replies 1 ·
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1
Debye-Hückel Rule: Relaxation Effects in Electric Fields
  • Deadevil
  • · Replies 4 ·
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4
Can Ferromagnetic Objects Be Decomposed Using Magnetism?
  • JoshuaFarrell
  • · Replies 9 ·
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9
Using a Catalyst With Fuel Cells: Benefits and Challenges
  • Big-Daddy
  • · Replies 3 ·
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3
Max Conjugate Base: Find pH w/ Sum of pKa's
  • Big-Daddy
  • · Replies 6 ·
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6
Resonance Structures Chemistry: What is Potential Energy?
  • Johnleprekan
  • · Replies 3 ·
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3
Is there a safer and simpler method for separating sodium from table salt?
  • NotAMethDealer
  • · Replies 2 ·
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2
How to extract bubbles gas from gel(Super Absorbent Polymer)
  • kevin_tee
  • · Replies 3 ·
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3
How do you determine the pKa values of novel bases?
  • Zensation
  • · Replies 1 ·
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1
Hydrolysis of salts of weak acid-weak base
  • Rishavutkarsh
  • · Replies 1 ·
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1
How to reduce volume while retaining alcohol.
  • tzuohann
  • · Replies 2 ·
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2
Are Eggs Liquid or Solid and Why Do They Change State When Heated?
  • STEMucator
  • · Replies 3 ·
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3
Need advice on extracting carboxylic acids from an NaOH Mixture
  • Zensation
  • · Replies 5 ·
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5
Can Magnetic Fields Purify Water for Reuse in a CO2 Scrubber?
  • nst.john
  • · Replies 5 ·
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5
What type of chemical reaction does not have oxdiztion and reduction
  • taregg
  • · Replies 1 ·
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1
Why does each element only react with certain elements?
  • herozs
  • · Replies 3 ·
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3
Detecting the THC molecule in room air
  • floridagatorsr
  • · Replies 3 ·
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3
What are these pericyclic reactions?
  • CrimpJiggler
  • · Replies 1 ·
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1
Fluorescence Excitation and Emission Spectra
  • cardinal72491
  • · Replies 3 ·
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3
One basic question - Hydrolize Water
  • jeffmikl
  • · Replies 6 ·
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6
Why Don't Redox Reactions in Water Occur as Expected?
  • Big-Daddy
  • · Replies 9 ·
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9
Heisenberg's Uncertainty Principle
  • eehiram
  • · Replies 6 ·
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6
What are some nonreactive electrolyte solutions?
  • Xtensity
  • · Replies 1 ·
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1
Would evaporation still take place?
  • willstaruss22
  • · Replies 6 ·
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6
Bonding in coordination complexes
  • MathewsMD
  • · Replies 1 ·
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1
Molecular Orbital Theory: Build MOs for Diatomic Molecules
  • MathewsMD
  • · Replies 2 ·
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2
Is the Strength of a Chemical Bond Determined by Ionic or Covalent Character?
  • Yh Hoo
  • · Replies 10 ·
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10
How to Purify Methane from Biomass for Clean Burning?
  • iwant2beoz
  • · Replies 4 ·
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4
Chloride test question (Mohr's method)
  • skyshrimp
  • · Replies 2 ·
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2
Electron Movement: Reasons for Revolution Around Atom
  • Seniour Baloc
  • · Replies 5 ·
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5
Why is the heat of formation defined?
  • member 392791
  • · Replies 4 ·
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4
PCl5 / SOCl2 and carboxylic acids
  • trollcast
  • · Replies 1 ·
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1
Why is equilibrium constant K a product of the concentrations?
  • Urmi Roy
  • · Replies 11 ·
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11
Velocity changes with temperature?
  • MathewsMD
  • · Replies 1 ·
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1
Delocalization in metals and conjugated systems
  • Deadevil
  • · Replies 8 ·
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8
What is the Wittig reaction mechanism?
  • n.a.s.h
  • · Replies 1 ·
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1