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 do hydrogen fuel cells need catalysts but zinc-air cells don't?
- Stanley514
- · Replies 10 ·
Gravimetric Analysis- Questions
- dekoi
- · Replies 4 ·
Can Carbon & Nitrogen React at High Temperatures?
- Si14
- · Replies 2 ·
Does Adding Acetone to Gasoline Improve Engine Performance?
- CHICAGO
- · Replies 17 ·
PID temp control for distillation (was Before i ask )
- Slowpokescott
- · Replies 8 ·
Microscope pictures - photomicrographs
- ~christina~
- · Replies 34 ·
Chlorine gas production from brine electrolysis with graphite electrodes
- pijoe
- · Replies 4 ·
Does citric acid decay over time?
- sir_manning
- · Replies 6 ·
Does bottled water lose quality or go bad over time?
- jackson6612
- · Replies 5 ·
What is a radial Node ? What is an Angular Node ?
- 5416339
- · Replies 6 ·
Diffusion in Liquids: Evaporation an Example?
- yaseen shah
- · Replies 1 ·
Electrolysis When calculating amount of charge from an amount of
- Whalstib
- · Replies 1 ·
Can the Negative Ion of Oxygen be an Oxidizer?
- zalo
- · Replies 2 ·
Is Melting Tyvek Safe? Bonding for Projects
- e2e8
- · Replies 1 ·
How much pressure can be created by the decomposition of Hydrogen peroxide?
- zoom
- · Replies 1 ·
How to mix an acid and base to get pH 7
- perd1t1on
- · Replies 1 ·
Rotary evaporator not evaporating water from solution
- Florian123
- · Replies 1 ·
Will denatured alcohol harm plastic, metal and rubber parts?
- OfficeSpace
- · Replies 7 ·
Is Normalizing Oxygen Concentrations in a Channel Accurate?
- howtophysics
- · Replies 1 ·
Compound with greatest number of different atoms
- DeuteriumDude
- · Replies 1 ·
How Does LSD-25 Impact the Central Nervous System and Influence Mental States?
- Stratosphere
- · Replies 12 ·
Looking for interesting reactions with paper
- Bohrok
- · Replies 2 ·
Firecracker Physics: Exploding Directionality
- wil3
- · Replies 3 ·
Raman spectroscopy amide I processing
- newlabguy
- · Replies 1 ·
Why are 4s electrons removed before 3d when ionizing copper?
- 5416339
- · Replies 3 ·
Are cofactors consumed in the reaction?
- sameeralord
- · Replies 2 ·
How does sulfur form 6 bonds with fluorine?
- leroyjenkens
- · Replies 6 ·
Which math course is better for physical science: calculus or statistics?
- mccoy1
- · Replies 1 ·
Transition metal oxidation states
- Moogie
- · Replies 1 ·
Using Flocculation for Drinking Water
- CrazyEgg
- · Replies 2 ·
Lithium Iron Disulfide Battery Chemistry
- greg136
- · Replies 5 ·
Basic IR Spectroscopy and dipole moments
- Moogie
- · Replies 5 ·
GRE Chemistry subject test preparation with limited coursework
- Saraharris38
- · Replies 4 ·
Natural preservatives. vinegar, alcohol, sugar, salt, oil.
- lunababy
- · Replies 2 ·
How Do You Calculate Enantiomer Percentages from Enantiomeric Excess?
- uorganic
- · Replies 3 ·
Relationship between Zeffective and Radius
- zerodestroyer
- · Replies 7 ·
How many valence electrons do lanthanides and actinides have?
- mah65
- · Replies 2 ·
Chemistry Textbook for College: 1st Year Student Exam Prep
- HeLiXe
- · Replies 3 ·
The space between an atom's nucleus and it's electrons
- zts1986
- · Replies 1 ·
What is the relationship between atomic density and mass density in aluminum?
- mvr01
- · Replies 7 ·
Predicting electrical potential from beta decay electrons on a copper plate
- wil3
- · Replies 1 ·
How to take a PH for solid like cake ?
- hagopbul
- · Replies 2 ·
What Does the 'D' in Fe-D Modes Represent?
- Rajini
- · Replies 1 ·
How to dissolve PVC thermoplastic
- samblohm
- · Replies 3 ·
Why sample air and water for chlorine levels in pools
- LatexZone
- · Replies 3 ·
Which Chemistry Textbook Is Best for First-Year College Students?
- yaseen shah
- · Replies 2 ·
Continuous oscillating reactions?
- wil3
- · Replies 1 ·
Methyl iodide exposure through nitrile gloves: cancer risk?
- Stadtjunky
- · Replies 35 ·
What is the relationship between the monomer and polymer in PGA?
- soopo
- · Replies 4 ·
Ionic radius of hydride anion
- edwin2b
- · Replies 5 ·
Why do some molecules have fewer IR bands than expected?
- Moogie
- · Replies 13 ·
Determining parameters for trapped air in contact with water.
- Expi
- · Replies 1 ·
Empirical and molecular formula
- yaseen shah
- · Replies 1 ·
Definition of unit of electric current
- Quantumkid
- · Replies 2 ·
How Do Liquid Metal Batteries Utilize Chemical Reactions for Energy Storage?
- DrZoidberg
- · Replies 1 ·
How can I make a word appear on a canvas using paint and water?
- hoodleehoo
- · Replies 2 ·
In the synthesis of ester, how does conc. aqueos calcium chloride
- cyt91
- · Replies 1 ·
How Does Time Between Depositions Affect Cohesion of Au Layers?
- Si14
- · Replies 1 ·
Can electroplating Cu on gold improve adhesion?
- Si14
- · Replies 2 ·
Why is enthalpy defined as H = E + PV?
- maxbashi
- · Replies 2 ·
Why isn't acetic acid a strong electrolyte/acid
- gsingh2011
- · Replies 6 ·
Experimenting with Liquid Nitrogen: Who's Right?
- Mu naught
- · Replies 2 ·
How can I make a 50% citric acid solution?
- tonibalt
- · Replies 4 ·
G of CO2 per kWh from burning methane
- Archosaur
- · Replies 2 ·
Calculating Quantum Yields for Fluorescent Dyes
- LtStorm
- · Replies 1 ·
Why is CaH2 called calcium hydride, not calcium dihydride?
- jools111
- · Replies 4 ·
Electricity generation using hydrogen
- QwertyXP
- · Replies 13 ·
Unlock the Chemistry of Cooking - Advice for a Chemical Engineering Student
- danago
- · Replies 5 ·
Why is the molar mass of H2O equal to Avogadro's number?
- busyenergy
- · Replies 2 ·
Redox Titration: How to Determine Fe (aq)2+ Concentration
- hihowareu
- · Replies 1 ·
How Can We Know if Chemicals React?
- Stratosphere
- · Replies 1 ·
Proton NMR & Analyzing NMR Spec - What to Do?
- Moogie
- · Replies 5 ·
How do you know if a reaction will take place or not
- usermanual
- · Replies 1 ·
Finding water density at 150°C and 600 psi with CO2 gas
- abhipatel
- · Replies 4 ·
How petroleum is formed in the earth?
- pgardn
- · Replies 4 ·
Solving Notation Confusion in Law's Combustion Physics
- Saladsamurai
- · Replies 4 ·
Why Can Iron in Hemoglobin Make 6 Bonds?
- sameeralord
- · Replies 7 ·
Calculating ESP charges for a molecule fragment using Gaussian
- angura
- · Replies 6 ·
Lemon juice vs Lemon juice + salt
- pumaking94
- · Replies 4 ·
Why does water rise when a candle burns under a glass?
- Phrak
- · Replies 3 ·
Creating a Chemical Rocket: Innovative Ideas Using Everyday Items
- MatsOvechkin
- · Replies 4 ·
Why do ice shards form at 45° angles when water freezes?
- $roman
- · Replies 4 ·
Welding old steel through Luder lines with pulse TIG
- bisnettebr
- · Replies 1 ·
Electrolyzing NaOH solution to produce metallic sodium
- starCr
- · Replies 12 ·
Are These Reactions Possible? Understanding Conditions for 2NaOH+K and HCN+K
- starCr
- · Replies 3 ·
Galvanostatic Electrolysis: Learn About Anodic Porous Aluminium Oxide
- hafsa
- · Replies 1 ·
Polar Covalent Bonds: Carbon vs. Phosphorous
- dacruick
- · Replies 2 ·
Difference Between Peroxo and Superoxo Bonding to Fe
- Rajini
- · Replies 5 ·
Why Did My Kastle-Meyer Test Yield a False Negative?
- Ellyse
- · Replies 9 ·
Detect Ammonia: Cost-Efficient, Accurate Detection
- cstoos
- · Replies 3 ·
Generating hydrogen for a 36m³ tethered balloon with HCl and aluminium
- sadara
- · Replies 9 ·
Hello all,what is meant by Rieske[i quite often read in Rieske
- Rajini
- · Replies 5 ·
Refractive index of Vanillin and p-bromobenzophenone
- shad0w0f3vil
- · Replies 4 ·
Solvated electrons in ammonia solution
- aim1732
- · Replies 20 ·
What is the activation energy of the forward reaction?
- FCMS34
- · Replies 1 ·
Retrieving rust from oxidized steel wool
- Gokuson123
- · Replies 9 ·
Balancing chemical equations and naming ionic compounds
- cuthbertsnow
- · Replies 1 ·
Confusion about Stoichiometric coefficients
- Saladsamurai
- · Replies 2 ·
Tri-aryl compounds/what is this
- bioquest
- · Replies 3 ·
Entropy change when magnesium burns in oxygen
- explore88
- · Replies 1 ·