Chemistry Forum

Understanding Fructose: The Role of Ketone in Reducing Sugar Reactions

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

Replies: 5

Views: 7K

Help Solving Chemistry Equilibrium Problems Before Test Tomorrow

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

Replies: 2

Views: 2K

Concentration Citric Acid in Lemon Juice?

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

Replies: 6

Views: 30K

Plastic sinker container was melted

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

Replies: 4

Views: 3K

Prevent Bathroom Mirror Fogging with Soap

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

Replies: 9

Views: 4K

Deviation of Real Gases under Low Temp & High Pressure

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

Replies: 2

Views: 2K

Separtion by paper chromatography

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

Replies: 4

Views: 4K

Safe Home Science Experiments with Household Products

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

Replies: 1

Views: 3K

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

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

Replies: 18

Views: 8K

Oxidation Number: Hydrogen, Negative Numbers & Nitrogen

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

Replies: 10

Views: 13K

Need help with simple calorimetry problem

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

Replies: 3

Views: 14K

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

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

Replies: 3

Views: 5K

Introduce phosphorus into a compound

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

Replies: 3

Views: 3K

What is the Flame Color of Magnesium Chloride?

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

Replies: 4

Views: 9K

Help needed badly in understanding the concept of atomic masses

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

Replies: 8

Views: 3K

Need Help with Nodal Surfaces in Chemistry

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

Replies: 5

Views: 13K

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

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

Replies: 3

Views: 6K

Does Nitrogen Form NCl3 & NCl5 Like PCl3 & PCl5?

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

Replies: 2

Views: 2K

Changing molar mass at diff temp and pressures - help

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

Replies: 2

Views: 8K

Determining the Major Component in the HCl + Na2CO3 Reaction

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

Replies: 6

Views: 3K

Which Substance is Covalently Bonded: SiO2 or C6H12O6?

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

Replies: 2

Views: 5K

Understanding Conjugate Acids in Acid-Base Reactions

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

Replies: 1

Views: 5K

Enthelpy = internal energy+pressure*volume

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

Replies: 2

Views: 3K

Solve Gas Law Problem: Stuck, Need Help

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

Replies: 3

Views: 2K

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

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

Replies: 5

Views: 3K

Answer to Enthelpy Question: Which Outputs Most Energy?

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

Replies: 2

Views: 3K

How do I calculate the atomic mass for this isotope?

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

Replies: 3

Views: 9K

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

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

Replies: 4

Views: 2K

Ore Mining: Refining Metals with Electrochemistry

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

Replies: 3

Views: 3K

Boiling Point Q: Is Alcohol Higher Than Ammonia?

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

Replies: 4

Views: 4K

Acid/Base Reactions: NH4N03, KH2PO4, NaBr

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

Replies: 20

Views: 13K

Understanding Thermal Electricity and Fuel Flame Direction

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

Replies: 7

Views: 2K

Making a gold solution for plating.

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

Replies: 5

Views: 20K

Determining Buffer Systems: NH3/NH4NO3

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

Replies: 4

Views: 35K

Calculating Moles of Chlorine Ions in Nickel Chloride (NiCl2)

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

Replies: 3

Views: 3K

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

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

Replies: 9

Views: 4K

Confused on which formula to use where

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

Replies: 6

Views: 16K

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

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

Replies: 2

Views: 2K

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

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

Replies: 17

Views: 6K

Calculate Molar Mass of Protein from Osmotic Pressure

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

Replies: 7

Views: 5K

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

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

Replies: 1

Views: 3K

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

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

Replies: 5

Views: 4K

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

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

Replies: 8

Views: 5K

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

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

Replies: 1

Views: 5K

Calculate the average Relative Atomic Mass of this sample of krypton

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

Replies: 3

Views: 8K

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

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

Replies: 9

Views: 10K

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

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

Replies: 1

Views: 10K

Make A Heavy Smoke Bomb: What You Need To Know

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

Replies: 4

Views: 5K

Atomic theory in another planet - problem

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

Replies: 12

Views: 2K

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

Apr 7, 2005 · Replies 4 · Apr 8, 2005

Replies: 4

Views: 3K

Arrhenius equations; A2 Chemistry coursework

Apr 5, 2005 · Replies 3 · Apr 8, 2005

Replies: 3

Views: 11K

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

Apr 7, 2005 · Replies 2 · Apr 8, 2005

Replies: 2

Views: 4K

Neutralize Hydrogen Sulfide Safely with Non-Toxic Chemical Compounds

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

Replies: 10

Views: 5K

Absorbance and Stray light helppp

Apr 7, 2005 · Replies 2 · Apr 7, 2005

Replies: 2

Views: 7K

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

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

Replies: 10

Views: 7K

Thinking hard about errors in titration

Apr 7, 2005 · Replies 2 · Apr 7, 2005

Replies: 2

Views: 43K

Equilibria of HN3: Find Vapor Pressure, Enthalpy & Entropy

Apr 6, 2005 · Replies 1 · Apr 7, 2005

Replies: 1

Views: 3K

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

Apr 6, 2005 · Replies 8 · Apr 7, 2005

Replies: 8

Views: 3K

Figuring out the acidic % of a certain food

Apr 4, 2005 · Replies 7 · Apr 6, 2005

Replies: 7

Views: 3K

Understanding the Chemistry and Biology Behind Onion Tears

Apr 5, 2005 · Replies 3 · Apr 6, 2005

Replies: 3

Views: 7K

Are Chlorinated Hydrocarbons Biologically Magnified?

Apr 5, 2005 · Replies 3 · Apr 6, 2005

Replies: 3

Views: 6K

Which photon has the higher frequency?

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

Replies: 15

Views: 4K

EM Radiation Frequency: Can Hydrogen Gas Produce 1 Freq?

Apr 2, 2005 · Replies 5 · Apr 6, 2005

Replies: 5

Views: 2K

Which Elements Have Unusual Electron Configurations?

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

Replies: 5

Views: 5K

Electron probability in oscillating hydrogen molecule

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

Replies: 15

Views: 5K

Calculate the work that must be done

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

Replies: 17

Views: 9K

Is the Density Conversion Correct?

Apr 4, 2005 · Replies 5 · Apr 5, 2005

Replies: 5

Views: 5K

Organic Chemistry: Haloform Reaction

Apr 4, 2005 · Replies 2 · Apr 5, 2005

Replies: 2

Views: 8K

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

Apr 4, 2005 · Replies 2 · Apr 4, 2005

Replies: 2

Views: 2K

Organic Chemistry: Formamide + Formic Acid

Apr 4, 2005 · Replies 1 · Apr 4, 2005

Replies: 1

Views: 5K

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

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

Replies: 8

Views: 3K

Light Reaction with Common Supplies

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

Replies: 17

Views: 4K

Why would hydrogen peroxide react better in the presence of magnesium

Apr 2, 2005 · Replies 2 · Apr 2, 2005

Replies: 2

Views: 3K

What Causes the Vibrant Colors of Fire?

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

Replies: 8

Views: 5K

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

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

Replies: 6

Views: 17K

Use normal composition of air to determine its density

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

Replies: 7

Views: 5K

PH could be dertermined by just looking at the chemical color

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

Replies: 1

Views: 2K

Question about titanium tetrachloride

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

Replies: 10

Views: 9K

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

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

Replies: 4

Views: 4K

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

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

Replies: 3

Views: 3K

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

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

Replies: 6

Views: 10K

Finding Moles from ML: Understanding Substance Volume

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

Replies: 13

Views: 21K

How do flourescant lights work/run out?

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

Replies: 5

Views: 3K

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

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

Replies: 8

Views: 8K

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

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

Replies: 4

Views: 4K

Why do most reagents have potassium instead of sodium?

Mar 30, 2005 · Replies 1 · Mar 30, 2005

Replies: 1

Views: 3K

Why is H3O+ the Strongest Acid & OH- the Strongest Base?

Mar 29, 2005 · Replies 1 · Mar 30, 2005

Replies: 1

Views: 10K

How to Deal with Overlapping Absorbances in Spectrophotometry?

Mar 22, 2005 · Replies 2 · Mar 30, 2005

Replies: 2

Views: 5K

How Would the Periodic Table Change if L = N?

Mar 29, 2005 · Replies 1 · Mar 29, 2005

Replies: 1

Views: 2K

Energy Release & Conversion in Na+ Cl- Ion Combination

Mar 26, 2005 · Replies 10 · Mar 29, 2005

Replies: 10

Views: 3K

Decomposition of hydrogen peroxide

Mar 20, 2005 · Replies 2 · Mar 29, 2005

Replies: 2

Views: 4K

The Iron and Copper Age: History, Significance, and Curiosities

Mar 27, 2005 · Replies 3 · Mar 28, 2005

Replies: 3

Views: 5K

Vapor Density: 1.3 - What Does it Mean?

Mar 25, 2005 · Replies 2 · Mar 28, 2005

Replies: 2

Views: 6K

What is the final temperature when mixing heated and cool water?

Mar 26, 2005 · Replies 5 · Mar 27, 2005

Replies: 5

Views: 3K

Question about AMU & Temp. Conversions

Mar 26, 2005 · Replies 3 · Mar 26, 2005

Replies: 3

Views: 3K

Why does the earth behave like a giant magnet?

Mar 15, 2005 · Replies 2 · Mar 26, 2005

Replies: 2

Views: 2K

Making 10,000ppm Hypochlorite Solution

Mar 24, 2005 · Replies 5 · Mar 26, 2005

Replies: 5

Views: 7K

Why is Weighing Liquids More Accurate than Measuring w/Cylinder?

Mar 25, 2005 · Replies 3 · Mar 26, 2005

Replies: 3

Views: 12K

What is the Density of a 20% Sodium Hydroxide Solution?

Mar 23, 2005 · Replies 8 · Mar 26, 2005

Replies: 8

Views: 46K

Revive Your Soda: How to Remove Melted Ice

Mar 21, 2005 · Replies 7 · Mar 25, 2005

Replies: 7

Views: 3K

Chemistry Forum

Show only:

How Can I Reverse Engineer and Create a DIY Halloween Pumpkin Pulp Replica?

How would you describe briefly your own mental modeling of chemistry?

How to make Sodium Chlorate by Electrolysis of salt water?

Raman Spectroscopy Setup Not Functioning as Intended

Making a 12% Magnesium Chloride solution

Trigonometry problem of interest

How to increase phone signal strength by lying about it

Thinking Outside The Box Versus Knowing What’s In The Box

What Exactly is Dirac’s Delta Function? - Insight

Building a Raman spectrometer….

Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect

Insights Thinking Outside The Box Versus Knowing What’s In The Box

Insights Why Entangled Photon-Polarization Qubits Violate Bell’s Inequality

Insights Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect

Insights What Exactly is Dirac’s Delta Function? - Insight

Insights Relativator (Circular Slide-Rule): Simulated with Desmos - Insight

Insights Fixing Things Which Can Go Wrong With Complex Numbers