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
Why Does Hydrogen Fluoride (HF) Pose a Danger?
- ShawnD
- · Replies 6 ·
About the substitution reaction
- vicki
- · Replies 1 ·
Why are liquids generally less dense than solids?
- wasteofo2
- · Replies 4 ·
Partial Pressure of Kr in a N2/Kr Mixture (0.505 atm)
- parwana
- · Replies 4 ·
Reaction of acetone with oxalic ester
- maverick280857
- · Replies 10 ·
What is the estimated width of stearic acid molecules in water?
- physicsss
- · Replies 2 ·
HOF: Is It Known to Exist at Normal Temperatures?
- maverick280857
- · Replies 5 ·
Determining Delta S of Cl2 + Br2 --> 2BrCl
- qwexor
- · Replies 5 ·
Can a base cleaner interfere with the phenolphthalein blood test?
- munky99999
- · Replies 5 ·
Functional groups present are: C=O and NH2
- garytse86
- · Replies 3 ·
Silicon percentage in silicate mineral from 0.567 g sample
- danne89
- · Replies 24 ·
How to Determine if a Molecule is Optically Active
- nemzy
- · Replies 2 ·
Applying Chemistry to the real world
- physicsss
- · Replies 7 ·
Polar aprotic solvent sn2 rate
- fish
- · Replies 1 ·
Is bond-breaking energy less than bond-forming energy in N2 + H2 to NH3?
- Erin_Sharpe
- · Replies 1 ·
Synthesis of a nitrile from an amide
- chem_tr
- · Replies 4 ·
What's the difference between hydrogen bonds and covalent bonds in water?
- ConcealedDreamer
- · Replies 1 ·
Percentage composition of NaF and AlF3 in Na4AlF6
- danne89
- · Replies 5 ·
Identifying Organic Compound - Organic Chemistry
- ChrisHarvey
- · Replies 7 ·
Br2, is known to contain two atoms of bromine
- physicsss
- · Replies 20 ·
Where Can I Find Affordable Chemicals for Etching Steel?
- DocToxyn
- · Replies 8 ·
Why is AI3 a conductor and Aluminum Trioxide is not?
- physicsss
- · Replies 1 ·
Moles 0_2_(g) React to Produce H_2O_(g)
- Eich
- · Replies 8 ·
Ethers are such compounds as Methoxymethane and Propoxyoctane
- The Bob
- · Replies 4 ·
Why is it important to release and remeasure gas during mass measurement?
- z-component
- · Replies 3 ·
Miscibility of Water and Ethanol
- ChemRookie
- · Replies 2 ·
Determine the pressure of a gas in a manometer?
- z-component
- · Replies 4 ·
How do Electrorheological fluids work?
- Arsonade
- · Replies 6 ·
What Happened in the Chemistry Lab Experiment?
- danne89
- · Replies 8 ·
Chemical compositon of sugar [substitutes]
- mrjeffy321
- · Replies 5 ·
Preparing Isopentyl Acetate: Why Extra Acetic Acid is Needed
- nemzy
- · Replies 2 ·
Testing for Sulfate Ions in Tap Water
- Erin_Sharpe
- · Replies 6 ·
Solving Thermite Reaction: 1 Mole Al + 10.0g Fe2O3
- chemister
- · Replies 4 ·
Having a problem with atom/ion radius
- walker
- · Replies 4 ·
Which Cannot Determine Molar Mass?
- apchemstudent
- · Replies 2 ·
Determination of the atomic radius of an Al atom
- dajugganaut
- · Replies 3 ·
Hydrogenation of 1-Octene to n-Octene
- nemzy
- · Replies 1 ·
Where to order chemistry supplies for a home lab
- EProph
- · Replies 3 ·
Why does my ion exchange resin have fewer active sites than the manufacturer specifies?
- kalladin
- · Replies 2 ·
Calculating Unreacted Al in Thermite Reaction
- chemister
- · Replies 3 ·
Bleaching Cheap Golf Balls - How to Make Them The Right Color
- munky99999
- · Replies 5 ·
How Does Beta Carotene Convert to Vitamin A?
- chemister
- · Replies 1 ·
How to memorize alkene reactions and their reagents
- tipton12
- · Replies 2 ·
What is the sigma bond count for 2 hydrogen in sulfuric acid?
- FBInstant
- · Replies 3 ·
Do More Double Bonds in Hydrocarbons Require Higher Melting Temperatures?
- nemzy
- · Replies 4 ·
Relating molar enthalpy of edible oils to measurable properties
- nobb
- · Replies 4 ·
Why does silicon have a higher melting point than phosphorus?
- Bladibla
- · Replies 4 ·
Physical Chemistry Degree: Subjects Needed
- Bladibla
- · Replies 3 ·
Organic Chemistry: Get Spider Diagram for AS Level
- amo1
- · Replies 4 ·
What reactions and factors are involved in producing acetaminophen and ibuprofen?
- decamij
- · Replies 3 ·
Reaction of 1-chloro-2-propanol with hydrogen halides
- maverick280857
- · Replies 5 ·
Bond sizes in organic chemistry
- decamij
- · Replies 3 ·
Is Low Solubility of ASA Beneficial for its Effectiveness in the Human Body?
- decamij
- · Replies 1 ·
Questions about the separating mixture
- xyzphineR
- · Replies 4 ·
A Carbon skeleton with 2 diff functional groups
- nemzy
- · Replies 4 ·
Hydrogen peroxide decomposes to form water and oxygen
- PRINCESS NOOR
- · Replies 1 ·
Calculating CH3OH Yield: Limiting Reactions of CO and H2 in Chemical Reaction
- starsun
- · Replies 4 ·
Calculating Equilibrium Amounts for Ammonium Hydrogen Sulfide Decomposition
- maverick280857
- · Replies 16 ·
Balanced Reactions and Mechanisms
- MusicMonkey
- · Replies 5 ·
Calculating Avogadro's number from scratch
- jetset
- · Replies 15 ·
Element that is also a molecule?
- chemister
- · Replies 10 ·
Supercritic CO2 as an extraction solvent
- asfd
- · Replies 1 ·
Heat Capacity iron heating water
- bjorn
- · Replies 3 ·
How can OH be negative if O and H are covalently bonded?
- danne89
- · Replies 6 ·
Chemical Equilibrium Problem #2
- maverick280857
- · Replies 5 ·
Calculating Electric Field Ratios for H+ and K+ Ions
- nemzy
- · Replies 1 ·
Find 0.1M NaOH Vol for 1L: 50% NaOH Soln
- Corky
- · Replies 1 ·
Sample of glucose (C6H12O6) contains 0.75 moles of Oxygen
- chemister
- · Replies 1 ·
Difference between molecules and compounds
- chemister
- · Replies 2 ·
How do i draw the structure of O-iodotoulene?
- Itachi
- · Replies 3 ·
Why do electron pairs repel in VSEPR theory if they're confined to orbitals?
- Cheman
- · Replies 3 ·
Mark-Houwink-Sakurada constants for PMMA in 1,2-dichloroethane
- altered-gravity
- · Replies 1 ·
Understanding Equilibrium and Buffer Solutions
- [aq]
- · Replies 7 ·
Interactions with the mobile phase
- mountain
- · Replies 2 ·
Why does NOx form at high temperatures and stoichiometric fuel-air ratios?
- Clausius2
- · Replies 7 ·
Is electron shielding due to repulsion between electron orbitals?
- Bladibla
- · Replies 4 ·
Organic Chemistry Molecular Model Kits: Recommendations and Reviews
- amb123
- · Replies 2 ·
How to combine elements of differing ionic charge
- relativitydude
- · Replies 3 ·
Calculating Mass of Carbon 12 Atoms
- vt33
- · Replies 3 ·
Very simple polar covalent bond questions
- nemzy
- · Replies 4 ·
How Do You Conduct Chemical Tests to Identify an Unknown Acid?
- thick1
- · Replies 2 ·
End result when you break a proton down?
- UrbanXrisis
- · Replies 12 ·
Heat of reaction calculations for NaOH dissolution and neutralization
- BH20
- · Replies 7 ·
Nuclear Bombs and EMP: How Gamma Rays Can Cause Electronic Chaos
- ConcealedDreamer
- · Replies 1 ·
What is the function of a thistle tube in a laboratory setting?
- apchemstudent
- · Replies 6 ·
Can Air Be Frozen? Water Vapor Facts
- ConcealedDreamer
- · Replies 2 ·
Lab Setup Question: Why was the CaCl2 Tube Used?
- apchemstudent
- · Replies 2 ·
Can salt lower the freezing point of substances and make them harder to melt?
- MercuryRising
- · Replies 5 ·
Difference between bond polarity and molecular polarity?
- UrbanXrisis
- · Replies 20 ·
Comparing hexagonal, face-centered and body-centered packing efficiency
- BH20
- · Replies 5 ·
Calculating Ksp of Thallium Chloride at 100 Degrees Celsius
- [aq]
- · Replies 1 ·
Why Zn + Vinegar Gas Collecting Setup Cannot be Used for Preparing H2
- apchemstudent
- · Replies 1 ·
Formation of a White Precipitate with Cl-, HNO3, AgNO3
- primarygun
- · Replies 1 ·
Is the assertion true and the reason false?
- apchemstudent
- · Replies 3 ·
Oxide layer of iron cannot protect iron
- primarygun
- · Replies 4 ·
Normal electron configuration Ethyne
- apchemstudent
- · Replies 7 ·
Why does the number of carbon atoms affect the burning speed of explosives?
- Dual Op Amp
- · Replies 8 ·
Finding temperature where N2O4 and NO2 are in equal amounts
- apchemstudent
- · Replies 8 ·
What elements of Gen. Chemistry I are important in II
- relativitydude
- · Replies 6 ·