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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.

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PH - really basic, I know, but I'm tired

CasanovaFrankenstein
Apr 27, 2005 · Replies 6 · Apr 28, 2005

Replies: 6

So, can you find the temperature at which this reaction will be spontaneous?

CasanovaFrankenstein
Apr 28, 2005 · Replies 2 · Apr 28, 2005

Replies: 2

Which Acid Has a Lower pH: HBrO4 or HIO3?

bomba923
Apr 13, 2005 · Replies 8 · Apr 28, 2005

Replies: 8

Can Silicon and Carbon Be Cleaned Without Etching?

osskall
Apr 27, 2005 · Replies 1 · Apr 27, 2005

Replies: 1

Calculate Temperature for White to Grey Tin Conversion | Thermodynamic Data

physicsss
Apr 20, 2005 · Replies 6 · Apr 27, 2005

Replies: 6

Joe's Question: Nitrogen Organic Structure Property

josephcollins
Apr 25, 2005 · Replies 3 · Apr 27, 2005

Replies: 3

Comparing Reactivity of Chemical Groups: OH-R to O_4S-R

Chuckj
Apr 26, 2005 · Replies 3 · Apr 27, 2005

Replies: 3

Pros & Cons of Citric Acid in Lemon Juice

NZGurl
Apr 26, 2005 · Replies 1 · Apr 27, 2005

Replies: 1

Predicting a reaction between ester and acyl halide

josephcollins
Apr 26, 2005 · Replies 1 · Apr 26, 2005

Replies: 1

Experiment Results: Mixing Solution A with Solution B

Roxy
Apr 23, 2005 · Replies 5 · Apr 26, 2005

Replies: 5

What Are the Best Alternatives to Coal Tar for Eczema Treatment?

Automagman
Apr 25, 2005 · Replies 5 · Apr 26, 2005

Replies: 5

Shapes of structural diagrams-help

naren11
Apr 21, 2005 · Replies 1 · Apr 23, 2005

Replies: 1

Martini Chemistry: Debating Alcohol Bruising & Chemical Reactions

medshredr
Apr 23, 2005 · Replies 4 · Apr 23, 2005

Replies: 4

Understanding Fructose: The Role of Ketone in Reducing Sugar Reactions

garytse86
Apr 21, 2005 · Replies 5 · Apr 22, 2005

Replies: 5

Help Solving Chemistry Equilibrium Problems Before Test Tomorrow

DLxX
Apr 21, 2005 · Replies 2 · Apr 22, 2005

Replies: 2

Concentration Citric Acid in Lemon Juice?

NZGurl
Apr 20, 2005 · Replies 6 · Apr 21, 2005

Replies: 6

Plastic sinker container was melted

1123581321
Apr 21, 2005 · Replies 4 · Apr 21, 2005

Replies: 4

Prevent Bathroom Mirror Fogging with Soap

misskitty
Apr 19, 2005 · Replies 9 · Apr 21, 2005

Replies: 9

Deviation of Real Gases under Low Temp & High Pressure

siewwen168
Apr 20, 2005 · Replies 2 · Apr 21, 2005

Replies: 2

Separtion by paper chromatography

moonlight1
Apr 20, 2005 · Replies 4 · Apr 21, 2005

Replies: 4

Safe Home Science Experiments with Household Products

munky99999
Apr 19, 2005 · Replies 1 · Apr 20, 2005

Replies: 1

Reaction CH3COOC2H5(aq) + H2O -> CH3COOH(aq) + C2H5OH(aq)

dibilo
Apr 15, 2005 · Replies 18 · Apr 20, 2005

Replies: 18

Oxidation Number: Hydrogen, Negative Numbers & Nitrogen

apchemstudent
Apr 16, 2005 · Replies 10 · Apr 19, 2005

Replies: 10

Need help with simple calorimetry problem

kishin7
Apr 18, 2005 · Replies 3 · Apr 19, 2005

Replies: 3

How Do I Solve Titrations and Buffer Calculations in Chemistry Homework?

bohemian
Apr 18, 2005 · Replies 3 · Apr 19, 2005

Replies: 3

Introduce phosphorus into a compound

bjon-07
Apr 17, 2005 · Replies 3 · Apr 18, 2005

Replies: 3

What is the Flame Color of Magnesium Chloride?

lwymarie
Apr 18, 2005 · Replies 4 · Apr 18, 2005

Replies: 4

Help needed badly in understanding the concept of atomic masses

mathzeroh
Apr 14, 2005 · Replies 8 · Apr 18, 2005

Replies: 8

Need Help with Nodal Surfaces in Chemistry

RPN
Apr 15, 2005 · Replies 5 · Apr 18, 2005

Replies: 5

Am I doing these Chemical Equilibrium Mass Action Expression problems correctly?

DLxX
Apr 17, 2005 · Replies 3 · Apr 18, 2005

Replies: 3

Does Nitrogen Form NCl3 & NCl5 Like PCl3 & PCl5?

naren11
Apr 17, 2005 · Replies 2 · Apr 17, 2005

Replies: 2

Changing molar mass at diff temp and pressures - help

rocketboy
Apr 17, 2005 · Replies 2 · Apr 17, 2005

Replies: 2

Determining the Major Component in the HCl + Na2CO3 Reaction

apchemstudent
Apr 17, 2005 · Replies 6 · Apr 17, 2005

Replies: 6

Which Substance is Covalently Bonded: SiO2 or C6H12O6?

apchemstudent
Apr 17, 2005 · Replies 2 · Apr 17, 2005

Replies: 2

Understanding Conjugate Acids in Acid-Base Reactions

apchemstudent
Apr 17, 2005 · Replies 1 · Apr 17, 2005

Replies: 1

Enthelpy = internal energy+pressure*volume

sid_galt
Apr 17, 2005 · Replies 2 · Apr 17, 2005

Replies: 2

Solve Gas Law Problem: Stuck, Need Help

apchemstudent
Apr 16, 2005 · Replies 3 · Apr 17, 2005

Replies: 3

Why Does Compound C Have a Higher Boiling Point Than Compound D?

apchemstudent
Apr 16, 2005 · Replies 5 · Apr 17, 2005

Replies: 5

Answer to Enthelpy Question: Which Outputs Most Energy?

apchemstudent
Apr 16, 2005 · Replies 2 · Apr 16, 2005

Replies: 2

How do I calculate the atomic mass for this isotope?

apchemstudent
Apr 16, 2005 · Replies 3 · Apr 16, 2005

Replies: 3

Oxide Coating: Q&A - What's the Correct Answer?

apchemstudent
Apr 16, 2005 · Replies 4 · Apr 16, 2005

Replies: 4

Ore Mining: Refining Metals with Electrochemistry

apchemstudent
Apr 16, 2005 · Replies 3 · Apr 16, 2005

Replies: 3

Boiling Point Q: Is Alcohol Higher Than Ammonia?

apchemstudent
Apr 16, 2005 · Replies 4 · Apr 16, 2005

Replies: 4

Acid/Base Reactions: NH4N03, KH2PO4, NaBr

eku_girl83
Apr 12, 2005 · Replies 20 · Apr 16, 2005

Replies: 20

Understanding Thermal Electricity and Fuel Flame Direction

lwymarie
Apr 15, 2005 · Replies 7 · Apr 15, 2005

Replies: 7

Making a gold solution for plating.

MaximumTaco
Apr 13, 2005 · Replies 5 · Apr 15, 2005

Replies: 5

Determining Buffer Systems: NH3/NH4NO3

eku_girl83
Apr 12, 2005 · Replies 4 · Apr 15, 2005

Replies: 4

Calculating Moles of Chlorine Ions in Nickel Chloride (NiCl2)

gordda
Apr 13, 2005 · Replies 3 · Apr 15, 2005

Replies: 3

Why Do Electrons Prefer Half-Filled and Fully-Filled 3d Sublevels?

A_I_
Apr 12, 2005 · Replies 9 · Apr 14, 2005

Replies: 9

Confused on which formula to use where

Roxy
Apr 11, 2005 · Replies 6 · Apr 14, 2005

Replies: 6

The volume of blood in the body of a diver is about 6 L

physicsss
Apr 13, 2005 · Replies 2 · Apr 14, 2005

Replies: 2

Molarity Notation: What Does TiA ^{-1} Mean?

preet
Apr 5, 2005 · Replies 17 · Apr 13, 2005

Replies: 17

Calculate Molar Mass of Protein from Osmotic Pressure

physicsss
Apr 13, 2005 · Replies 7 · Apr 13, 2005

Replies: 7

Oentane is a liquid with a vapor pressure of 512 Torr at 25C

physicsss
Apr 13, 2005 · Replies 1 · Apr 13, 2005

Replies: 1

How do I solve for the specific heat in a heat transfer problem?

mathzeroh
Apr 12, 2005 · Replies 5 · Apr 13, 2005

Replies: 5

Back-titration for Calculating Reagent Qtys for 7g/dm³ Cl (aq)

briton
Apr 11, 2005 · Replies 8 · Apr 12, 2005

Replies: 8

What is the Heat of Combustion for Quinone in kJ/mol?

ben4life86
Apr 12, 2005 · Replies 1 · Apr 12, 2005

Replies: 1

Calculate the average Relative Atomic Mass of this sample of krypton

recon
Apr 12, 2005 · Replies 3 · Apr 12, 2005

Replies: 3

Why does 2-butene react differently than 1-butene with hydrogen chloride gas?

walker
Apr 11, 2005 · Replies 9 · Apr 11, 2005

Replies: 9

Dangerous Compound: Dihydrogen Monoxide

Andre
Apr 9, 2005 · Replies 4 · Apr 10, 2005

Replies: 4

What is the reaction formula for the combustion of stearic acid?

gschjetne
Apr 10, 2005 · Replies 1 · Apr 10, 2005

Replies: 1

Make A Heavy Smoke Bomb: What You Need To Know

Automagman
Apr 9, 2005 · Replies 4 · Apr 10, 2005

Replies: 4

Atomic theory in another planet - problem

naren11
Apr 4, 2005 · Replies 12 · Apr 8, 2005

Replies: 12

How to Calculate Moles of H2O and Kp in a Decomposition Reaction?

gdsmack267
Apr 7, 2005 · Replies 4 · Apr 8, 2005

Replies: 4

Arrhenius equations; A2 Chemistry coursework

Synkronised
Apr 5, 2005 · Replies 3 · Apr 8, 2005

Replies: 3

Can you determine the heat capacity of the calorimeter from this information?

Callisto
Apr 7, 2005 · Replies 2 · Apr 8, 2005

Replies: 2

Neutralize Hydrogen Sulfide Safely with Non-Toxic Chemical Compounds

whozum
Apr 7, 2005 · Replies 10 · Apr 8, 2005

Replies: 10

Absorbance and Stray light helppp

atomicblast
Apr 7, 2005 · Replies 2 · Apr 7, 2005

Replies: 2

Which of the Strong Acids is The Strongest: HCl, HClO4, HNO3, H2SO4?

bomba923
Apr 6, 2005 · Replies 10 · Apr 7, 2005

Replies: 10

Thinking hard about errors in titration

dagg3r
Apr 7, 2005 · Replies 2 · Apr 7, 2005

Replies: 2

Equilibria of HN3: Find Vapor Pressure, Enthalpy & Entropy

physicsss
Apr 6, 2005 · Replies 1 · Apr 7, 2005

Replies: 1

Roughly 20% of the molecules in the air are oxygen molecules

physicsss
Apr 6, 2005 · Replies 8 · Apr 7, 2005

Replies: 8

Figuring out the acidic % of a certain food

chris111
Apr 4, 2005 · Replies 7 · Apr 6, 2005

Replies: 7

Understanding the Chemistry and Biology Behind Onion Tears

DB
Apr 5, 2005 · Replies 3 · Apr 6, 2005

Replies: 3

Are Chlorinated Hydrocarbons Biologically Magnified?

Soaring Crane
Apr 5, 2005 · Replies 3 · Apr 6, 2005

Replies: 3

Which photon has the higher frequency?

smokie
Apr 2, 2005 · Replies 15 · Apr 6, 2005

Replies: 15

EM Radiation Frequency: Can Hydrogen Gas Produce 1 Freq?

smokie
Apr 2, 2005 · Replies 5 · Apr 6, 2005

Replies: 5

News Is Depleted Uranium Really a Problem?

Arsonade
Mar 15, 2005 · Replies 92 · Apr 5, 2005

4

Replies: 92

Which Elements Have Unusual Electron Configurations?

sarabellum02
Mar 28, 2005 · Replies 5 · Apr 5, 2005

Replies: 5

Electron probability in oscillating hydrogen molecule

sid_galt
Mar 30, 2005 · Replies 15 · Apr 5, 2005

Replies: 15

Calculate the work that must be done

physicsss
Apr 3, 2005 · Replies 17 · Apr 5, 2005

Replies: 17

Is the Density Conversion Correct?

dagg3r
Apr 4, 2005 · Replies 5 · Apr 5, 2005

Replies: 5

Organic Chemistry: Haloform Reaction

maverick280857
Apr 4, 2005 · Replies 2 · Apr 5, 2005

Replies: 2

How many pi bonds are present in sp^3, sp^2, and sp hybridizations?

Yura
Apr 4, 2005 · Replies 2 · Apr 4, 2005

Replies: 2

Organic Chemistry: Formamide + Formic Acid

maverick280857
Apr 4, 2005 · Replies 1 · Apr 4, 2005

Replies: 1

Solving an Ionic Equation: Na2Co3 + H2S04 -> Na2S04 + H20 + C02

dagg3r
Mar 30, 2005 · Replies 8 · Apr 4, 2005

Replies: 8

Light Reaction with Common Supplies

The Bob
Mar 24, 2005 · Replies 17 · Apr 3, 2005

Replies: 17

Why would hydrogen peroxide react better in the presence of magnesium

student101
Apr 2, 2005 · Replies 2 · Apr 2, 2005

Replies: 2

What Causes the Vibrant Colors of Fire?

KMCB1234
Mar 20, 2005 · Replies 8 · Apr 2, 2005

Replies: 8

Discover the Largest Ion in an Isoelectronic Series: S2-, Cl-, K+, and Ca2+

whozum
Mar 31, 2005 · Replies 6 · Apr 1, 2005

Replies: 6

Use normal composition of air to determine its density

physicsss
Mar 31, 2005 · Replies 7 · Apr 1, 2005

Replies: 7

PH could be dertermined by just looking at the chemical color

Warwick
Mar 31, 2005 · Replies 1 · Mar 31, 2005

Replies: 1

Question about titanium tetrachloride

IntellectIsStrength
Mar 17, 2005 · Replies 10 · Mar 31, 2005

Replies: 10

Extracting Iron from Iron(III) Oxide: The Metal Equation Explained

aek
Mar 30, 2005 · Replies 4 · Mar 31, 2005

Replies: 4

Why Do Metals Exist as Ores in the Earth's Crust Instead of Pure Forms?

aek
Mar 31, 2005 · Replies 3 · Mar 31, 2005

Replies: 3

Acid-Base Titration: Solve Question w/ Phenolphthalein & Methyl Orange

Clari
Mar 29, 2005 · Replies 6 · Mar 30, 2005

Replies: 6

Finding Moles from ML: Understanding Substance Volume

Euphoriet
Mar 27, 2005 · Replies 13 · Mar 30, 2005

Replies: 13

How do flourescant lights work/run out?

wasteofo2
Mar 20, 2005 · Replies 5 · Mar 30, 2005

Replies: 5

How Much Cl2 Is Consumed by a 1000 Ampere Electric Car Battery?

chem_tr
Mar 29, 2005 · Replies 8 · Mar 30, 2005

Replies: 8

What is the Molecular Weight of Potassium Phosphate Buffer at pH 6.8 and 6.4?

MusicMonkey
Mar 29, 2005 · Replies 4 · Mar 30, 2005

Replies: 4

sidebar

Chemistry

Welcome to the Chemistry forum!

Chemistry is the scientific study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. It plays a central role in understanding the building blocks of the universe, encompassing the study of atoms, molecules, elements, and compounds.

Chemists investigate the interactions and forces between particles at the atomic and molecular levels, contributing to our understanding of various natural phenomena. The field is divided into branches such as organic chemistry, inorganic chemistry, physical chemistry, and biochemistry, each focusing on specific aspects of chemical systems.

Chemistry is not only a foundational science but also a driving force behind technological advancements, materials development, pharmaceuticals, and numerous industrial applications.

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