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
PH - really basic, I know, but I'm tired
- CasanovaFrankenstein
- · Replies 6 ·
So, can you find the temperature at which this reaction will be spontaneous?
- CasanovaFrankenstein
- · Replies 2 ·
Which Acid Has a Lower pH: HBrO4 or HIO3?
- bomba923
- · Replies 8 ·
Can Silicon and Carbon Be Cleaned Without Etching?
- osskall
- · Replies 1 ·
What temperature does white tin convert to grey tin?
- physicsss
- · Replies 6 ·
Joe's Question: Nitrogen Organic Structure Property
- josephcollins
- · Replies 3 ·
How does citric acid damage tooth enamel and kill bacteria?
- NZGurl
- · Replies 1 ·
Predicting a reaction between ester and acyl halide
- josephcollins
- · Replies 1 ·
Experiment Results: Mixing Solution A with Solution B
- Roxy
- · Replies 5 ·
What Are the Best Alternatives to Coal Tar for Eczema Treatment?
- Automagman
- · Replies 5 ·
Molecular shapes of SeO3, HClO2, NO2−, and ClF5
- naren11
- · Replies 1 ·
Does shaking bruise gin in a martini shaker?
- medshredr
- · Replies 4 ·
Understanding Fructose: The Role of Ketone in Reducing Sugar Reactions
- garytse86
- · Replies 5 ·
Checking equilibrium calculations for P4, NO, and NH3 systems
- DLxX
- · Replies 2 ·
Concentration Citric Acid in Lemon Juice?
- NZGurl
- · Replies 6 ·
Plastic sinker container was melted
- 1123581321
- · Replies 4 ·
Prevent Bathroom Mirror Fogging with Soap
- misskitty
- · Replies 9 ·
Why do gases like CO₂ deviate more at low temperature and high pressure?
- siewwen168
- · Replies 2 ·
Separtion by paper chromatography
- moonlight1
- · Replies 4 ·
Safe Home Science Experiments with Household Products
- munky99999
- · Replies 1 ·
Reaction CH3COOC2H5(aq) + H2O -> CH3COOH(aq) + C2H5OH(aq)
- dibilo
- · Replies 18 ·
Why does a negative oxidation number make nitrogen a strong oxidizer?
- apchemstudent
- · Replies 10 ·
Heat released in CaCl2 dissolution warming solution
- kishin7
- · Replies 3 ·
Back-titration of metal carbonate and buffer pH adjustment problems
- bohemian
- · Replies 3 ·
Introduce phosphorus into a compound
- bjon-07
- · Replies 3 ·
What is the Flame Color of Magnesium Chloride?
- lwymarie
- · Replies 4 ·
Why does hydrogen's atomic mass differ from proton and neutron masses?
- mathzeroh
- · Replies 8 ·
How many nodal surfaces are in a 2s orbital and 3px orbital?
- RPN
- · Replies 5 ·
Mass action expression for SO2/O2 and NH3/O2 reactions
- DLxX
- · Replies 3 ·
Why doesn't nitrogen form NCl3 and NCl5 like phosphorus forms PCl3 and PCl5?
- naren11
- · Replies 2 ·
Does molar mass of hydrogen change with pressure and volume?
- rocketboy
- · Replies 2 ·
Determining the Major Component in the HCl + Na2CO3 Reaction
- apchemstudent
- · Replies 6 ·
Which Substance is Covalently Bonded: SiO2 or C6H12O6?
- apchemstudent
- · Replies 2 ·
Understanding Conjugate Acids in Acid-Base Reactions
- apchemstudent
- · Replies 1 ·
Why can't absolute enthalpy be calculated if its components are?
- sid_galt
- · Replies 2 ·
Finding water vapor content from pressure change at constant temperature
- apchemstudent
- · Replies 3 ·
Why Does Compound C Have a Higher Boiling Point Than Compound D?
- apchemstudent
- · Replies 5 ·
Which reaction outputs the most energy per mass of reactant
- apchemstudent
- · Replies 2 ·
How do I calculate the atomic mass for this isotope?
- apchemstudent
- · Replies 3 ·
What is the correct answer about oxide coating?
- apchemstudent
- · Replies 4 ·
Ore Mining: Refining Metals with Electrochemistry
- apchemstudent
- · Replies 3 ·
Boiling Point Q: Is Alcohol Higher Than Ammonia?
- apchemstudent
- · Replies 4 ·
Are aqueous solutions of NH4NO3, KH2PO4, and NaBr acidic, basic, or neutral?
- eku_girl83
- · Replies 20 ·
What is thermal electricity and what makes flames point upward?
- lwymarie
- · Replies 7 ·
Making a gold solution for plating.
- MaximumTaco
- · Replies 5 ·
Determining Buffer Systems: NH3/NH4NO3
- eku_girl83
- · Replies 4 ·
Calculating Moles of Chlorine Ions in Nickel Chloride (NiCl2)
- gordda
- · Replies 3 ·
Why Do Electrons Prefer Half-Filled and Fully-Filled 3d Sublevels?
- A_I_
- · Replies 9 ·
When to use q=mcΔt versus ΔH=nΔHf in calorimetry?
- Roxy
- · Replies 6 ·
The volume of blood in the body of a diver is about 6 L
- physicsss
- · Replies 2 ·
What does mol L^-1 mean in chemistry notation?
- preet
- · Replies 17 ·
Calculate Molar Mass of Protein from Osmotic Pressure
- physicsss
- · Replies 7 ·
Oentane is a liquid with a vapor pressure of 512 Torr at 25C
- physicsss
- · Replies 1 ·
How do I solve for the specific heat in a heat transfer problem?
- mathzeroh
- · Replies 5 ·
Back-titration for Calculating Reagent Qtys for 7g/dm³ Cl (aq)
- briton
- · Replies 8 ·
What is the Heat of Combustion for Quinone in kJ/mol?
- ben4life86
- · Replies 1 ·
Calculate the average Relative Atomic Mass of this sample of krypton
- recon
- · Replies 3 ·
Why does 2-butene react differently than 1-butene with hydrogen chloride gas?
- walker
- · Replies 9 ·
Dangerous Compound: Dihydrogen Monoxide
- Andre
- · Replies 4 ·
What is the reaction formula for the combustion of stearic acid?
- gschjetne
- · Replies 1 ·
Why does the potassium nitrate and sugar smoke bomb produce so little smoke?
- Automagman
- · Replies 4 ·
Periodic table with spin values +1/2, 0, -1/2 and magnetic numbers 0 to L
- naren11
- · Replies 12 ·
How to Calculate Moles of H2O and Kp in a Decomposition Reaction?
- gdsmack267
- · Replies 4 ·
Arrhenius equations; A2 Chemistry coursework
- Synkronised
- · Replies 3 ·
Can you determine the heat capacity of the calorimeter from this information?
- Callisto
- · Replies 2 ·
Neutralize Hydrogen Sulfide Safely with Non-Toxic Chemical Compounds
- whozum
- · Replies 10 ·
Calculating stray light as percentage of incident light
- atomicblast
- · Replies 2 ·
Why is HCl the strongest hydrohalic acid despite lower bond energy in HBr and HI?
- bomba923
- · Replies 10 ·
Thinking hard about errors in titration
- dagg3r
- · Replies 2 ·
Finding standard free energy of vaporization for HN3 from vapor pressure data
- physicsss
- · Replies 1 ·
Roughly 20% of the molecules in the air are oxygen molecules
- physicsss
- · Replies 8 ·
Figuring out the acidic % of a certain food
- chris111
- · Replies 7 ·
What chemicals in onions make your eyes tear and why?
- DB
- · Replies 3 ·
Are Chlorinated Hydrocarbons Biologically Magnified?
- Soaring Crane
- · Replies 3 ·
Which photon has the higher frequency?
- smokie
- · Replies 15 ·
EM Radiation Frequency: Can Hydrogen Gas Produce 1 Freq?
- smokie
- · Replies 5 ·
News Is Depleted Uranium Really a Problem?
- Arsonade
- · Replies 92 ·
Which Elements Have Unusual Electron Configurations?
- sarabellum02
- · Replies 5 ·
Electron probability in oscillating hydrogen molecule
- sid_galt
- · Replies 15 ·
Calculate the work that must be done
- physicsss
- · Replies 17 ·
Is the Density Conversion Correct?
- dagg3r
- · Replies 5 ·
Organic Chemistry: Haloform Reaction
- maverick280857
- · Replies 2 ·
How many pi bonds are present in sp^3, sp^2, and sp hybridizations?
- Yura
- · Replies 2 ·
Organic Chemistry: Formamide + Formic Acid
- maverick280857
- · Replies 1 ·
Solving an Ionic Equation: Na2Co3 + H2S04 -> Na2S04 + H20 + C02
- dagg3r
- · Replies 8 ·
Light Reaction with Common Supplies
- The Bob
- · Replies 17 ·
Why would hydrogen peroxide react better in the presence of magnesium
- student101
- · Replies 2 ·
What Causes the Vibrant Colors of Fire?
- KMCB1234
- · Replies 8 ·
Which is the largest ion in the isoelectronic series S2-, Cl-, K+, Ca2+?
- whozum
- · Replies 6 ·
Use normal composition of air to determine its density
- physicsss
- · Replies 7 ·
PH could be dertermined by just looking at the chemical color
- Warwick
- · Replies 1 ·
Why does titanium tetrachloride use a Greek prefix?
- IntellectIsStrength
- · Replies 10 ·
Why Do Metals Exist as Ores in the Earth's Crust Instead of Pure Forms?
- aek
- · Replies 3 ·
Titration of Na2CO3 and NaHCO3 with HCl using phenolphthalein and methyl orange
- Clari
- · Replies 6 ·
How do I find moles from a volume in milliliters?
- Euphoriet
- · Replies 13 ·
How do flourescant lights work/run out?
- wasteofo2
- · Replies 5 ·
How Much Cl2 Is Consumed by a 1000 Ampere Electric Car Battery?
- chem_tr
- · Replies 8 ·
What is the Molecular Weight of Potassium Phosphate Buffer at pH 6.8 and 6.4?
- MusicMonkey
- · Replies 4 ·