Chemistry Forum

Post thread
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.
Does Producing Sulfuric Acid from Copper Sulfate Pentahydrate Release Oxygen?
  • LURCH
  • · Replies 1 ·
Replies
1
Why does bromine not have neutral polar charge?
  • JohnnyTheFox
  • · Replies 2 ·
Replies
2
Understanding of pKa and Ammonia Solution
  • Guillermo
  • · Replies 7 ·
Replies
7
How to Calculate the pH of a 0.1M Diprotic Acid Solution?
  • Guillermo
  • · Replies 6 ·
Replies
6
Distinguishing Red Glow of Burning vs Reaction
  • lwymarie
  • · Replies 1 ·
Replies
1
PH and pOH and [H+] and [OH-] Problems
  • justinkoko
  • · Replies 5 ·
Replies
5
Calculate the voltage of a standard cell with the following half-cell reactions
  • BH20
  • · Replies 4 ·
Replies
4
Na+ & OH- Dissociation: Energy Absorbed yet Heat Liberated
  • m0286
  • · Replies 3 ·
Replies
3
Ester be separated from other liquids using fractional distillation?
  • garytse86
  • · Replies 3 ·
Replies
3
Calculate Moles of NaOH & Heat: Chemistry Experiment
  • m0286
  • · Replies 5 ·
Replies
5
Heat Capacity of Common Liquids | URGENT HELP Needed
  • big bear
  • · Replies 2 ·
Replies
2
Ions and Rusting: Examining the Role of Ions in the Oxidation of Metals
  • no idea
  • · Replies 3 ·
Replies
3
Understanding Organic Functional Groups and Their Impact on pH
  • bomba923
  • · Replies 2 ·
Replies
2
Neutralising Acid with NaOH - Tips for Accurate Measurement
  • thearny
  • · Replies 4 ·
Replies
4
How to Solve These Chemistry Exam Questions?
  • g-funk
  • · Replies 1 ·
Replies
1
How feasible is a plastic explosive that outperforms C4 by 50 times?
  • SkepticJ
  • · Replies 6 ·
Replies
6
Why does vanadium have maximum observed oxidation state of +5
  • vicki
  • · Replies 2 ·
Replies
2
Ionic Form of KI + H2O Reaction
  • airheadan
  • · Replies 15 ·
Replies
15
Any computational chemists in the house?
  • gravenewworld
  • · Replies 7 ·
Replies
7
Reaction between iron(II) sulphate, sulphuric acid
  • Aly
  • · Replies 43 ·
2
Replies
43
What Happens When Gases Mix or Ice is Added to Supercooled Water?
  • siewwen168
  • · Replies 6 ·
Replies
6
Does anyone know what color azo-dye
  • .....
  • · Replies 1 ·
Replies
1
Understanding Chemical Cells: Questions & Answers
  • primarygun
  • · Replies 3 ·
Replies
3
What Molecules in Air Hit Dust Particles?
  • Mozart
  • · Replies 1 ·
Replies
1
Solving Hard Chemistry Equations
  • dagg3r
  • · Replies 1 ·
Replies
1
How Do You Determine Oxidation Numbers?
  • RPN
  • · Replies 1 ·
Replies
1
What Are Acyclic Isomers and Why Are They Important in Organic Chemistry?
  • jackson
  • · Replies 1 ·
Replies
1
Atomic Numbers, Valence and More
  • dvs77
  • · Replies 3 ·
Replies
3
Separating Isomers: Efficient Method for Chemists?
  • gravenewworld
  • · Replies 3 ·
Replies
3
A2 OCR Planning Help: Determine Chlorine Concentration by Back Titration
  • vikhas786
  • · Replies 2 ·
Replies
2
Chemical components in insecticides
  • newmemb1
  • · Replies 2 ·
Replies
2
Can a Chemical Remove Highlighter Marks?
  • PrudensOptimus
  • · Replies 2 ·
Replies
2
How Do You Calculate the pH of a Sodium Ethanoate Solution?
  • josephcollins
  • · Replies 2 ·
Replies
2
How do I remove copper from water (be realistic)
  • ShawnD
  • · Replies 5 ·
Replies
5
Will a long tube act like a fractionating column?
  • ShawnD
  • · Replies 8 ·
Replies
8
Calculating the Heat of Combustion for C2H6 Using Hess's Law
  • 123456
  • · Replies 5 ·
Replies
5
Infinite Energy With Fuel Cells?
  • NanakiXIII
  • · Replies 3 ·
Replies
3
Thermodynamically favored reaction
  • nipwoni
  • · Replies 6 ·
Replies
6
Two Quick Questions: Edible Liquids & Freezing Helium
  • bomba923
  • · Replies 7 ·
Replies
7
Comparing the Properties of CsF and NaF: Melting Point and Solubility
  • m0286
  • · Replies 3 ·
Replies
3
If 6g of pure carbon is completely burned
  • naren11
  • · Replies 3 ·
Replies
3
Chemistry Question: 2s Orbital & 3px Orbital | Evidence of Octet Stability
  • amtmail
  • · Replies 6 ·
Replies
6
Making Snow with Non-Water Chemicals: A Guide
  • nipwoni
  • · Replies 3 ·
Replies
3
Can Vinegar Turn into Methanol in Sunlight?
  • limitapproaches0
  • · Replies 13 ·
Replies
13
Why is the flow behaviour or viscosity important in the case of polymer?
  • cutepig
  • · Replies 3 ·
Replies
3
Detecting volcanic ash or meteor.
  • Paul Wilson
  • · Replies 8 ·
Replies
8
Does pure gold oxidize(I truly need a long-time proffesional chemist)
  • No-where-man
  • · Replies 3 ·
Replies
3
The Bohr model of the H atom for anyone who needs it
  • mathzeroh
  • · Replies 5 ·
Replies
5
Help can anyone answer my question
  • alnywk
  • · Replies 2 ·
Replies
2
Questions from Exam Grade 11 Just Check
  • Raza
  • · Replies 1 ·
Replies
1
Diamond has a tetrahdral shape stucture
  • Bladibla
  • · Replies 1 ·
Replies
1
Any suggestions for inorganic chemistry problem books?
  • poodlefarm
  • · Replies 1 ·
Replies
1
Dissolving Rubber/Plastic/Wire Coatings - Advice Needed
  • Arsonade
  • · Replies 2 ·
Replies
2
News Is Depleted Uranium Actually Dangerous or Just Fear Mongering?
  • stoned
  • · Replies 19 ·
Replies
19
Acceptable GRE Score (Chemistry)
  • scarecrow
  • · Replies 3 ·
Replies
3
Question on the rxn of Alcohol and Carboxylic acids.
  • wasteofo2
  • · Replies 2 ·
Replies
2
How Much Iron is in a 250ml Glass of Milo?
  • gordda
  • · Replies 6 ·
Replies
6
First Person to Receive PhD in Chemistry
  • bohemian
  • · Replies 5 ·
Replies
5
Sn1 vs Sn2 Reactions: Which is Favored?
  • jackdamack10
  • · Replies 2 ·
Replies
2
How a alkyne will react with a ketone
  • bjon-07
  • · Replies 2 ·
Replies
2
Determine the activation energy for the reverse reaction
  • RPN
  • · Replies 1 ·
Replies
1
Understanding Alkenes & Alkynes: Bromine Water Test
  • Bladibla
  • · Replies 3 ·
Replies
3
Henry's Law Constants: Finding K of O2 in EtOH & Glycerol
  • greginno
  • · Replies 1 ·
Replies
1
Mystery Mineral in Tabletop Fountain
  • DaveC426913
  • · Replies 1 ·
Replies
1
How Does Adding Water Affect the Color Change in CaCl2 . 6H2O + HCl Solution?
  • dekoi
  • · Replies 4 ·
Replies
4
Potassium Chlorate and Sugar ignitor
  • bjon-07
  • · Replies 3 ·
Replies
3
What gives silicon its unique grey painted glass appearance?
  • Automagman
  • · Replies 1 ·
Replies
1
Exploring Molecular Structure of Silicon & Carbon Dioxide
  • Bladibla
  • · Replies 12 ·
Replies
12
How was the electron first weighed?
  • Justryingtopasschem
  • · Replies 1 ·
Replies
1
Why won't C4 explode when heated but a shockwave can set it off?
  • Serj
  • · Replies 1 ·
Replies
1
Chemistry Joke: Deciphering the Molecule H I J K L M N O
  • infinitetime
  • · Replies 4 ·
Replies
4
What Makes Hydrogen Highly Flammable and Carbon Strong?
  • Mozart
  • · Replies 1 ·
Replies
1
Is Helium's Entropy at Absolute Zero Truly Zero?
  • chemy
  • · Replies 3 ·
Replies
3
Balancing Chemical Equations: Considering States of Reactants and Products
  • campa
  • · Replies 7 ·
Replies
7
Geometric Isomers in Alkenes & Alkynes: Why?
  • gymstar
  • · Replies 3 ·
Replies
3
Brown Ring Test for NO3-: FeSO4 + H2SO4?
  • campa
  • · Replies 2 ·
Replies
2
Equilibrium Constant of A(g) 2B(g)+C(g) at Temperature t
  • ChemRookie
  • · Replies 5 ·
Replies
5
Help with Buffers: H+ Ions, Ka Value, Titration of NH3 & HCl
  • dagg3r
  • · Replies 2 ·
Replies
2
Redox Equations: How to Determine Right Side of Equation
  • campa
  • · Replies 4 ·
Replies
4
Where can i find a list of redox half equations?
  • campa
  • · Replies 4 ·
Replies
4
Redox Equations: Balancing Half Reactions
  • campa
  • · Replies 2 ·
Replies
2
Are there volatile chemicals in tap water that can cause a garlic odor?
  • DaveC426913
  • · Replies 12 ·
Replies
12
Ferric Chloride: MSDS and safety precautions
  • enigma
  • · Replies 7 ·
Replies
7
UV visible spectroscopy
  • gordda
  • · Replies 1 ·
Replies
1
I can do maths and chemistry but not physics
  • BLUE_CHIP
  • · Replies 2 ·
Replies
2
Why is the heat of formation for NaOH negative?
  • Nanomaly
  • · Replies 2 ·
Replies
2
Solutions compared of solutes and solvents
  • Karma
  • · Replies 1 ·
Replies
1
Which will dissolve in water Castor Oil or Potassium Iodide?
  • Karma
  • · Replies 3 ·
Replies
3
Diluting 0.01 M HCl to pH 8.0: Question & Explanation
  • Strelka
  • · Replies 1 ·
Replies
1
How Can You Calculate Equilibrium Constants and Pressures from Given Reactions?
  • poodlefarm
  • · Replies 6 ·
Replies
6
Why do the standard emf and calculated emf values differ in electrochemistry?
  • DieCommie
  • · Replies 4 ·
Replies
4
Is the Natural Log of Pressure Unitless?
  • ChrisW
  • · Replies 8 ·
Replies
8
Question on Ionic bonds and compounds
  • mathzeroh
  • · Replies 3 ·
Replies
3
Need help finding the formula of a compound
  • bohemian
  • · Replies 4 ·
Replies
4
Major Product of Acetaldehyde + Dilute Base: Acetic Acid
  • nishant
  • · Replies 1 ·
Replies
1
Weak Acid/Base Equilibria: C6H5OH & C6H5NH2 K_a & K_b
  • APool555
  • · Replies 3 ·
Replies
3
What Temperature Makes the Reaction N2O4 --> 2NO2 Spontaneous?
  • CasanovaFrankenstein
  • · Replies 1 ·
Replies
1
Can you separate compounds by changing solubility?
  • Serj
  • · Replies 8 ·
Replies
8
Draw the Lewis structure of oxalic acid (H2C2O4)
  • physicsss
  • · Replies 1 ·
Replies
1
BCC - balancing chemical equations, stoichiometry
  • c_d
  • · Replies 8 ·
Replies
8