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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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What Role Does Sulphuric Acid Play in This Electrochemistry Reaction?

Feb 28, 2005 · Replies 5 · Feb 28, 2005

Replies: 5

Views: 7K

Enzymes & Catalysts: True or False?

Feb 25, 2005 · Replies 3 · Feb 27, 2005

Replies: 3

Views: 5K

Calculating Rate Constant for 2N2O5 Reaction

Feb 27, 2005 · Replies 1 · Feb 27, 2005

Replies: 1

Views: 3K

Molecular Shapes: Why Is IF5 Square Pyramidal?

Feb 27, 2005 · Replies 1 · Feb 27, 2005

Replies: 1

Views: 5K

Why Are Bond Enthalpies Restricted to Gaseous State?

Feb 27, 2005 · Replies 1 · Feb 27, 2005

Replies: 1

Views: 3K

Can Bone Experiments Provide Reliable Facts?

Feb 27, 2005 · Replies 2 · Feb 27, 2005

Replies: 2

Views: 3K

Does Distilled Water Conduct Electricity?

Feb 26, 2005 · Replies 4 · Feb 26, 2005

Replies: 4

Views: 6K

How Do Solids Defy Rutherford's Theory of Atoms?

Feb 24, 2005 · Replies 4 · Feb 26, 2005

Replies: 4

Views: 4K

Hear me out; this *is* a chemistry question

Feb 25, 2005 · Replies 1 · Feb 26, 2005

Replies: 1

Views: 2K

Light & Electrons: Effects of Color on Sodium Metal Electron Release

Feb 24, 2005 · Replies 6 · Feb 26, 2005

Replies: 6

Views: 3K

Where Can I Find Rules for Net Ionic Equations?

Feb 24, 2005 · Replies 2 · Feb 25, 2005

Replies: 2

Views: 3K

Why do different fractions form from fractional distillation?

Feb 24, 2005 · Replies 2 · Feb 24, 2005

Replies: 2

Views: 6K

Titration of Hydrazoic Acid: 1986 AP Exam Question and Solution

Feb 13, 2005 · Replies 9 · Feb 24, 2005

Replies: 9

Views: 5K

Can pure molten hydrochloric acid conduct electricity?

Feb 7, 2005 · Replies 6 · Feb 24, 2005

Replies: 6

Views: 17K

Calculating Required n-hexane Volume for 'W' Separation | Analytical Chem.

Feb 23, 2005 · Replies 1 · Feb 24, 2005

Replies: 1

Views: 5K

Hydrocarbon K: Structure and Carboxylic Acid Product Revealed

Jan 20, 2005 · Replies 7 · Feb 23, 2005

Replies: 7

Views: 3K

What Are Oxidation States & Why Do They Work?

Feb 9, 2005 · Replies 4 · Feb 23, 2005

Replies: 4

Views: 3K

Calcium + Calcium Nitrate → What are the products?

Feb 22, 2005 · Replies 2 · Feb 23, 2005

Replies: 2

Views: 22K

What is the pH of a solution containing 50 grams of Na3PO4?

Feb 19, 2005 · Replies 13 · Feb 23, 2005

Replies: 13

Views: 10K

Non 1:1 Ratio in Acid-Base Neutralization

Feb 19, 2005 · Replies 9 · Feb 23, 2005

Replies: 9

Views: 14K

Calculate the molarity of Br2 in the stock solution.

Feb 21, 2005 · Replies 11 · Feb 22, 2005

Replies: 11

Views: 12K

Why Does Hydrogen Peroxide Fizz Only on Wounds?

Feb 21, 2005 · Replies 4 · Feb 21, 2005

Replies: 4

Views: 2K

Hydrogen Peroxide oxidation state

Feb 14, 2005 · Replies 12 · Feb 20, 2005

Replies: 12

Views: 17K

What Items Do I Need for a Chemistry Scavenger Hunt?

Feb 17, 2005 · Replies 7 · Feb 19, 2005

Replies: 7

Views: 4K

Can you help me draw multiple Lewis dot structures for ClO4-?

Feb 17, 2005 · Replies 3 · Feb 18, 2005

Replies: 3

Views: 79K

Stoichiometry Help: Calculating Moles & Grams of O

Feb 17, 2005 · Replies 1 · Feb 17, 2005

Replies: 1

Views: 3K

Are Coca Leaves an Ingredient in Coca-Cola?

Feb 14, 2005 · Replies 14 · Feb 17, 2005

Replies: 14

Views: 4K

Periodic Trends: Explaining Atomic Mass, Ionization Energy & Electronegativity

Feb 14, 2005 · Replies 5 · Feb 17, 2005

Replies: 5

Views: 7K

Do pH levels carry on thorugh evaporation?

Feb 16, 2005 · Replies 7 · Feb 17, 2005

Replies: 7

Views: 15K

Calculating CuSO4*5H2O Yield from H2SO4 and Copper Reaction

Feb 15, 2005 · Replies 7 · Feb 16, 2005

Replies: 7

Views: 2K

Measuring Liquid pH: Is a Soil Meter Accurate?

Feb 14, 2005 · Replies 2 · Feb 15, 2005

Replies: 2

Views: 3K

Calculating the Distribution Coefficient of A in Ligroin and Water

Feb 15, 2005 · Replies 2 · Feb 15, 2005

Replies: 2

Views: 8K

Inverted the pipet into cold water

Feb 8, 2005 · Replies 25 · Feb 15, 2005

Replies: 25

Views: 6K

Cool Reaction Ideas for English Presentation

Feb 14, 2005 · Replies 7 · Feb 14, 2005

Replies: 7

Views: 2K

Hydrochloric acid solution is needed to make 31 g boric acid?

Feb 14, 2005 · Replies 6 · Feb 14, 2005

Replies: 6

Views: 10K

Which of These Reactions Are Spontaneous?

Feb 10, 2005 · Replies 4 · Feb 13, 2005

Replies: 4

Views: 3K

Calculating Activation Energy Using Slope and the Arhennius Equation

Feb 13, 2005 · Replies 5 · Feb 13, 2005

Replies: 5

Views: 8K

Diluting the stock solution with ethanol

Feb 12, 2005 · Replies 5 · Feb 13, 2005

Replies: 5

Views: 6K

Where to Buy Saltpeter (Potassium Nitrate)

Feb 12, 2005 · Replies 3 · Feb 12, 2005

Replies: 3

Views: 4K

Ionic Charge and the Periodic Table

Feb 12, 2005 · Replies 2 · Feb 12, 2005

Replies: 2

Views: 33K

Calculating Partial Pressures, Keq

Feb 10, 2005 · Replies 4 · Feb 11, 2005

Replies: 4

Views: 8K

Does this star contain hydrogen?

Feb 10, 2005 · Replies 1 · Feb 11, 2005

Replies: 1

Views: 3K

Excited He+-Hydrogen Atom Collision: Transition Possibilities

Feb 10, 2005 · Replies 1 · Feb 10, 2005

Replies: 1

Views: 2K

Why is a Double Bond More Reactive Than a Single Bond?

Feb 9, 2005 · Replies 2 · Feb 10, 2005

Replies: 2

Views: 3K

Thermal Gravimetric Analysis question.

Feb 9, 2005 · Replies 1 · Feb 10, 2005

Replies: 1

Views: 6K

Electrophilic Aromatic Substitution: NO2 & NO Groups

Feb 8, 2005 · Replies 5 · Feb 10, 2005

Replies: 5

Views: 3K

What are the latest innovations in thin films?

Feb 9, 2005 · Replies 1 · Feb 9, 2005

Replies: 1

Views: 2K

How Do Significant Figures Work in Logarithmic Equations?

Feb 6, 2005 · Replies 17 · Feb 9, 2005

Replies: 17

Views: 8K

Really basic netron/ electron stuff

Feb 7, 2005 · Replies 11 · Feb 9, 2005

Replies: 11

Views: 4K

Products of Ethylene + Fluorine Reaction

Feb 8, 2005 · Replies 1 · Feb 9, 2005

Replies: 1

Views: 6K

Why do particles come together to form atoms?

Feb 6, 2005 · Replies 8 · Feb 8, 2005

Replies: 8

Views: 5K

Volume needed to precipitate something

Feb 8, 2005 · Replies 1 · Feb 8, 2005

Replies: 1

Views: 8K

Chloroform Reactions with Metals & Alkoxides

Feb 8, 2005 · Replies 1 · Feb 8, 2005

Replies: 1

Views: 7K

Equivalent Mass of Sodium Acetate: 20.25g

Feb 8, 2005 · Replies 2 · Feb 8, 2005

Replies: 2

Views: 8K

Molecular Separation of Water: Energy Needed?

Feb 7, 2005 · Replies 11 · Feb 8, 2005

Replies: 11

Views: 3K

Is 2,4-Pentanedione a Ring or Hydrocarbon Chain in the Iodoform Test Reaction?

Feb 7, 2005 · Replies 3 · Feb 8, 2005

Replies: 3

Views: 7K

Drawing Lewis Dot Diagrams: Rules Beyond the Octet Rule

Feb 7, 2005 · Replies 8 · Feb 7, 2005

Replies: 8

Views: 13K

Molality: Calculate Aqueous Solution Density 1g/(cm^3)

Feb 6, 2005 · Replies 5 · Feb 7, 2005

Replies: 5

Views: 3K

Stoichiometry practice questions

Feb 7, 2005 · Replies 1 · Feb 7, 2005

Replies: 1

Views: 3K

IUPAC Names for CuCl, Plumbic Iodide, NH4ClO, SnH4, and KMnO4

Feb 7, 2005 · Replies 17 · Feb 7, 2005

Replies: 17

Views: 14K

How to Calculate Mass in Stoichiometry Problems?

Feb 7, 2005 · Replies 20 · Feb 7, 2005

Replies: 20

Views: 4K

Word Equation: Copper (II) Sulfate + Zinc -> Zinc Sulfate + Copper (II)

Feb 7, 2005 · Replies 2 · Feb 7, 2005

Replies: 2

Views: 23K

Calculating Density of Unknown Liquid in Chemistry Lab

Feb 6, 2005 · Replies 12 · Feb 7, 2005

Replies: 12

Views: 3K

Grade 11 Chemistry: Physical/Chemical Change Help

Feb 7, 2005 · Replies 6 · Feb 7, 2005

Replies: 6

Views: 9K

Question about Experimental Results

Feb 6, 2005 · Replies 6 · Feb 7, 2005

Replies: 6

Views: 4K

Writing balanced net ionic equations

Feb 6, 2005 · Replies 4 · Feb 7, 2005

Replies: 4

Views: 11K

Find Final Temperature of Iron & Water in Thermal Equilibrium

Feb 6, 2005 · Replies 3 · Feb 7, 2005

Replies: 3

Views: 4K

Detecting Minerals through chemistry

Feb 5, 2005 · Replies 3 · Feb 7, 2005

Replies: 3

Views: 3K

Does Copper Nitrate React with Water?

Feb 6, 2005 · Replies 11 · Feb 6, 2005

Replies: 11

Views: 47K

Right vs. Left Handed Molecules

Feb 5, 2005 · Replies 4 · Feb 6, 2005

Replies: 4

Views: 9K

Writing Net Ionic Equations for Acid-Base Reactions

Feb 6, 2005 · Replies 3 · Feb 6, 2005

Replies: 3

Views: 2K

Empiric Formula of Crom Oxid: CrO

Feb 6, 2005 · Replies 2 · Feb 6, 2005

Replies: 2

Views: 2K

Percentage of NaNO3 in 5.37g Mixture: 1.61g Sodium

Feb 6, 2005 · Replies 5 · Feb 6, 2005

Replies: 5

Views: 5K

Debunking the Myth: Is O3 Really Heavier than O2 in the Ozone Layer?"

Feb 4, 2005 · Replies 3 · Feb 5, 2005

Replies: 3

Views: 3K

Isolating Cobalt from Ore - Industrial Process

Feb 5, 2005 · Replies 1 · Feb 5, 2005

Replies: 1

Views: 5K

Evaporated Beer: Is It Possible?

Feb 2, 2005 · Replies 9 · Feb 4, 2005

Replies: 9

Views: 4K

Order of Reactants: Potassium Iodide & Potassium Peroxodisulphate

Feb 3, 2005 · Replies 1 · Feb 4, 2005

Replies: 1

Views: 3K

How Can I Find Information on COD and International Standards for Water Quality?

Feb 2, 2005 · Replies 1 · Feb 3, 2005

Replies: 1

Views: 2K

Acetanilide produces one molecule of hydroge bromide

Feb 2, 2005 · Replies 2 · Feb 3, 2005

Replies: 2

Views: 4K

How Do Electrons in Water Clusters Influence Their Electronic Spectra?

Feb 3, 2005 · Replies 2 · Feb 3, 2005

Replies: 2

Views: 2K

Tetrahedrally adapted metal d-orbitals?

Feb 2, 2005 · Replies 6 · Feb 2, 2005

Replies: 6

Views: 4K

Theoretical/Computational Chemistry

Feb 2, 2005 · Replies 2 · Feb 2, 2005

Replies: 2

Views: 5K

Volumetric analysis question. Help

Feb 2, 2005 · Replies 7 · Feb 2, 2005

Replies: 7

Views: 10K

Can you help me solve this Chemistry Hydrate Problem?

Feb 1, 2005 · Replies 3 · Feb 1, 2005

Replies: 3

Views: 14K

Calculating Pressure: Force, Mass, Acceleration

Jan 29, 2005 · Replies 17 · Feb 1, 2005

Replies: 17

Views: 11K

Oxidation States: A Closer Look at 2+ and +2

Jan 31, 2005 · Replies 9 · Feb 1, 2005

Replies: 9

Views: 4K

Hydrogenation of Cyclooctatetraene: Armotic or Not?

Jan 31, 2005 · Replies 2 · Feb 1, 2005

Replies: 2

Views: 2K

How can you create a large NaCl crystal using evaporation techniques?

Jan 31, 2005 · Replies 1 · Jan 31, 2005

Replies: 1

Views: 4K

Maillard Reaction: Experimenting with Lysine & Fructose

Jan 31, 2005 · Replies 1 · Jan 31, 2005

Replies: 1

Views: 2K

Hydrogen to Helium Helium to heavier elements

Jan 31, 2005 · Replies 3 · Jan 31, 2005

Replies: 3

Views: 16K

Calculate Percentage Purity by Mass of C10H7OH Contaminated with LiBr

Jan 30, 2005 · Replies 1 · Jan 30, 2005

Replies: 1

Views: 2K

Calculate volume in combustion

Jan 29, 2005 · Replies 6 · Jan 30, 2005

Replies: 6

Views: 13K

Why Does Hydrogen Fluoride (HF) Pose a Danger?

Jan 28, 2005 · Replies 6 · Jan 30, 2005

Replies: 6

Views: 13K

About the substitution reaction

Jan 30, 2005 · Replies 1 · Jan 30, 2005

Replies: 1

Views: 2K

Why are liquids generally less dense than solids?

Jan 29, 2005 · Replies 4 · Jan 29, 2005

Replies: 4

Views: 16K

Partial Pressure of Kr in a N2/Kr Mixture (0.505 atm)

Jan 29, 2005 · Replies 4 · Jan 29, 2005

Replies: 4

Views: 3K

Reaction of acetone with oxalic ester

Jan 20, 2005 · Replies 10 · Jan 29, 2005

Replies: 10

Views: 7K

What is the estimated width of stearic acid molecules in water?

Jan 28, 2005 · Replies 2 · Jan 29, 2005

Replies: 2

Views: 5K

HOF: Is It Known to Exist at Normal Temperatures?

Jan 27, 2005 · Replies 5 · Jan 28, 2005

Replies: 5

Views: 4K

Determining Delta S of Cl2 + Br2 --> 2BrCl

Jan 27, 2005 · Replies 5 · Jan 28, 2005

Replies: 5

Views: 12K

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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