Chemistry Forum

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.

Threads

Nucleophilicity of Halogens in aprotic solvent

  • hariharan venkatasu
  • · Replies 7 ·
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7

How do you calculate the Kuhn length of a polymer?

  • etotheipi
  • · Replies 5 ·
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5

Can You Describe the Smell of Ammonia to Me?

  • kyphysics
  • · Replies 33 ·
2
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33

Safe to Empty a "Pee Bottle" After 13 Days?

  • kyphysics
  • · Replies 11 ·
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11

How to identify stainless steel?

  • kenny1999
  • · Replies 5 ·
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5

Derivation of the orbital analysis equation and its physical significance

  • Hamiltonian
  • · Replies 7 ·
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7

Converting Units to Find Density of Unit Cell

  • i_love_science
  • · Replies 1 ·
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1

L type activated carbon -- is it hazardous?

  • Urgentt
  • · Replies 1 ·
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1

Is Supercooled Silicon Similar to the Anomalous Behavior of Water?

  • jaumzaum
  • · Replies 11 ·
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11

The NMR Selection Rules: Understanding Allowed Spin State Transitions

  • etotheipi
  • · Replies 2 ·
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2

How to turn a weak acid into a strong acid

  • Nick tringali
  • · Replies 35 ·
2
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35

Solidification of CaCO3 and CaHPO4

  • moshe zaguri
  • · Replies 2 ·
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2

Different metals in contact with each other

  • kenny1999
  • · Replies 2 ·
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2

Do chemists use X-NMR where the spin of X is greater than a half?

  • etotheipi
  • · Replies 8 ·
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8

RIP Mario Molina, Nobel Laureate for work on ozone layer

  • Ygggdrasil
  • · Replies 1 ·
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1

Solubility of weak acid salts of aluminum and silver

  • cuallito
  • · Replies 1 ·
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1
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5

What does RHS numbering mean in molecular orbital labelling schemes?

  • etotheipi
  • · Replies 2 ·
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2

Who Won the 2020 Nobel Prize in Chemistry?

  • DrClaude
  • · Replies 6 ·
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6

Calculate the bond-dissociation energies and entropy of a molecule

  • Timi0904
  • · Replies 1 ·
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1

Book recommendations for a green chemistry project

  • anyonebutangel
  • · Replies 5 ·
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5

Why Does Ionization Energy Increase Differently Between Orbital Types?

  • i_love_science
  • · Replies 9 ·
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9

Solvation of Ionic compound in water

  • SSG-E
  • · Replies 8 ·
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8

Reason for Ferroin's color shift

  • sekushi0range
  • · Replies 1 ·
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1

How Can an 8th-Grader in Pakistan Set Up a Home Chemistry Lab?

  • dcybroz
  • · Replies 26 ·
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26

Gram atomic mass -- what exactly is it?

  • Hamiltonian
  • · Replies 6 ·
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6

Is the Avogadro hypothesis ambiguous?

  • Hamiltonian
  • · Replies 1 ·
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1

Why does the pressure-volume-constant of Helium increase?

  • garr6120
  • · Replies 3 ·
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3

Does the Value of K Depend on Initial Reactant and Product Amounts?

  • i_love_science
  • · Replies 3 ·
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3

What materials are the most resistant to chemicals?

  • dcybroz
  • · Replies 2 ·
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2

Are fumes from burned rubber bands toxic?

  • Darkmisc
  • · Replies 7 ·
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7

Mothballs (to rid cockroaches) are safe to use in a home, right?

  • kyphysics
  • · Replies 3 ·
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3

What is chemical liquid A used in hydrography?

  • MaxS22
  • · Replies 3 ·
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3

Meaning of small triangle in chemical potential

  • etotheipi
  • · Replies 6 ·
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6

What is salt that has a green colour?

  • Nicol76
  • · Replies 10 ·
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10

What compounds are in descaling powders?

  • Nicol76
  • · Replies 2 ·
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2

Activity - Equilibrium Expressions

  • i_love_science
  • · Replies 2 ·
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2

Why are the Two SSA Equations the Same in a Catalytic Cycle?

  • i_love_science
  • · Replies 7 ·
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7

Change in Free Energy when Heating a Substance

  • RoySRamirez
  • · Replies 9 ·
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9

What is the Longest Molecule Ever Discovered?

  • mollwollfumble
  • · Replies 13 ·
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13

Why wasn't fluorine used as a standard for atomic mass?

  • PainterGuy
  • · Replies 6 ·
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6

What should I memorize in organic chemistry?

  • i_love_science
  • · Replies 1 ·
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1

Reaction of Potassium Permanganate and Hydrogen Peroxide solution

  • neilparker62
  • · Replies 8 ·
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8

Phase Equilibrium of Liquid and Vapor Under External Pressure

  • dunciad
  • · Replies 9 ·
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9

Does ##H_2 O_2## or benzalkonium chloride pollute the environment?

  • Wrichik Basu
  • · Replies 3 ·
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3

Questions about UV light and dry plastic and rubber

  • terminator 87
  • · Replies 22 ·
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22

Identifying a molecule from a crop circle pattern

  • djembefolla
  • · Replies 11 ·
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11

Chemistry of hydro dipping and skin-safe alternatives for cosmetics

  • BOEbeauty
  • · Replies 2 ·
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2

Energy level diagram of a chemical reaction

  • Adrian Tudini
  • · Replies 4 ·
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4

Acetate anion destabilization by methyl group

  • hariharan venkatasu
  • · Replies 12 ·
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12

Face shield bleach disinfection

  • Secan
  • · Replies 25 ·
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25

Why is HCl used to clean graphite rods and does it affect them?

  • ARN
  • · Replies 3 ·
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3

What is the medium size of a Hydrochloric acid molecule?

  • JorgeM
  • · Replies 3 ·
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3

Is this a more accurate representation of a molecule?

  • Matt204823545
  • · Replies 2 ·
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2

How do molecules in a voltaic cell interact?

  • Frigus
  • · Replies 8 ·
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8

Differentiate between iron and copper sulphide

  • Jehannum
  • · Replies 2 ·
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2

Radiation Increase Detected in Northern Europe

  • russ_watters
  • · Replies 8 ·
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8

How to clean polymaliec acid deposits off the inside of a barrel

  • LT72884
  • · Replies 5 ·
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5

What is a Liquid/Liquid Junction Potential and Its Role in Batteries?

  • somasimple
  • · Replies 8 ·
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8

To add more ions, but not get any precipitate?

  • angela107
  • · Replies 8 ·
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8

Is man-made leather generally safe or dangerous?

  • kenny1999
  • · Replies 7 ·
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7

How can diamonds be liquid if they're crystalline structures?

  • lavinia
  • · Replies 5 ·
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5

Is molarity the same as probability?

  • Frigus
  • · Replies 9 ·
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9

How does corrosion occur at the least oxygenated areas?

  • Arceus74
  • · Replies 2 ·
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2

What conditions are needed for the Mpemba effect?

  • binis
  • · Replies 12 ·
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12

Chemical reactions to depict Le Chatelier's Principle (Temperature)

  • angela107
  • · Replies 1 ·
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1

Is there a property that defines how much water a hygroscopic salt can absorb?

  • seanspotatobusiness
  • · Replies 11 ·
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11

Online reference table for solutes?

  • DaveE
  • · Replies 1 ·
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1

Why Did My Reaction Order Deviate in Chemical Kinetics Lab?

  • sergey_le
  • · Replies 1 ·
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1

Do we need salt bridges in Electrolytic cells?

  • jaumzaum
  • · Replies 3 ·
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3

Trying to Understand Ionization

  • SSG-E
  • · Replies 1 ·
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1

Electrostatically charged materials and IPA

  • LT72884
  • · Replies 5 ·
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5

Chemistry of Bitumin Road Degeneration

  • charles65
  • · Replies 4 ·
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4

Iron (nickel plated) -- what is it?

  • kenny1999
  • · Replies 7 ·
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7

Why do nonmetals and halogens tend to become anions?

  • aniseed
  • · Replies 2 ·
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2

Why define enthalpy if we already have internal energy

  • Frigus
  • · Replies 2 ·
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2

Is the electron charge-to-mass ratio greater than the H⁻ or H⁺ ion ratio?

  • mcastillo356
  • · Replies 2 ·
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2

First ionization energy of group 1 and group 2 elements

  • ianc1339
  • · Replies 1 ·
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1

What is the best way to make Blueberries last longer?

  • skyshrimp
  • · Replies 12 ·
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12

Is it possible to ionize hydrogen peroxide at home?

  • yair252525
  • · Replies 11 ·
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11

How Many Natural Elements Are There?

  • RJ Emery
  • · Replies 5 ·
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5

Could This Chemical Reaction Have Been Dangerous to Breathe In?

  • StanG_80
  • · Replies 2 ·
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2

Does pressure affect equilibrium vapor pressure (or RH)?

  • Elquery
  • · Replies 8 ·
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8

Is Denatured Alcohol Safe for Use on Face Masks?

  • LT72884
  • · Replies 24 ·
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24

% Ionisation or % 'Ionization' for non-Australians

  • djsmith
  • · Replies 6 ·
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6

Why do azeotropes have the same composition in vapor and liquid phases?

  • Kaushik
  • · Replies 11 ·
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11
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1

Why Doesn't Alcohol Just Evaporate when Cleaning Wipes are Left "Open"?

  • kyphysics
  • · Replies 11 ·
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11

Using the forth flotation technique to mass produce SARS-CoV-2 serum

  • hagopbul
  • · Replies 9 ·
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9

Is vinegar plus bicarb a cleaner or disinfectant?

  • Merlin3189
  • · Replies 16 ·
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16

Can (water-soluble) vitamins/nutrients evaporate while cooking?

  • Wrichik Basu
  • · Replies 9 ·
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9

Can Bleach Water Get Into Microscopic Pores in Plastic?

  • LT72884
  • · Replies 10 ·
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10

Calculate the HCl concentration in H2O from the conductivity

  • gpsimms
  • · Replies 5 ·
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5

Extremely hydrogenated carbon compounds

  • James Essig
  • · Replies 4 ·
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4

Why does ZnCl₂ accept electrons into 4d orbitals when 4p is empty?

  • hariharan venkatasu
  • · Replies 45 ·
2
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45

Query on electrochemistry: Vectorial charge transfer meaning

  • MarcoUscanga01
  • · Replies 2 ·
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2

How to make home-made hand sanitizer

  • Eskus
  • · Replies 29 ·
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29

Basic molarity and dilution formulas

  • LT72884
  • · Replies 6 ·
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6

Dalton's atomic theory, Avogadro, and caloric theory

  • PainterGuy
  • · Replies 4 ·
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4

Interfacial PDs vs Electrode Potentials

  • etotheipi
  • · Replies 2 ·
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2