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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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Why does a chemical compound precipitate metals differently than metal

Apr 11, 2014 · Replies 2 · Apr 13, 2014

Replies: 2

Views: 2K

Why does nitrogen gas' pressure not change after an addition of helium

Apr 10, 2014 · Replies 2 · Apr 12, 2014

Replies: 2

Views: 3K

Clarification Regarding the conditions for STP

Apr 12, 2014 · Replies 2 · Apr 12, 2014

Replies: 2

Views: 2K

Why is DeltaGo Temperature Dependent in Standard State?

Apr 12, 2014 · Replies 1 · Apr 12, 2014

Replies: 1

Views: 2K

I need some clarifications about the mole, please

Apr 10, 2014 · Replies 24 · Apr 12, 2014

Replies: 24

Views: 6K

Do Molarities in Chemical Solutions Refer to the Buffer Volume or Total Volume?

Apr 10, 2014 · Replies 1 · Apr 10, 2014

Replies: 1

Views: 2K

Mass spectrometry: does anyone know what could be this compound?

Apr 9, 2014 · Replies 2 · Apr 10, 2014

Replies: 2

Views: 2K

Calculating pH of Buffered Solutions: Do You Need a Ka/Kb Value?

Apr 8, 2014 · Replies 2 · Apr 9, 2014

Replies: 2

Views: 2K

Why is Ferroelectricity Named After Iron?

Apr 8, 2014 · Replies 1 · Apr 8, 2014

Replies: 1

Views: 2K

Don't understand what is exchanging with what in this acid/base equili

Apr 8, 2014 · Replies 3 · Apr 8, 2014

Replies: 3

Views: 2K

Diatomic molecules bond energies

Mar 31, 2014 · Replies 25 · Apr 8, 2014

Replies: 25

Views: 10K

Reaction rate for multiple steps

Apr 2, 2014 · Replies 5 · Apr 8, 2014

Replies: 5

Views: 2K

Free Energy: Determining Greater Reactants

Apr 6, 2014 · Replies 1 · Apr 7, 2014

Replies: 1

Views: 2K

Understanding the Constant Nature of Ksp in Solution Calculations

Apr 6, 2014 · Replies 2 · Apr 7, 2014

Replies: 2

Views: 4K

How Is Thorium Tetrakisaminodiborane Structured?

Apr 6, 2014 · Replies 1 · Apr 6, 2014

Replies: 1

Views: 2K

Refractive index of a 1M sorbitol solution

Apr 3, 2014 · Replies 1 · Apr 4, 2014

Replies: 1

Views: 4K

How to deal with charge imbalance in a chemical system?

Apr 2, 2014 · Replies 5 · Apr 3, 2014

Replies: 5

Views: 3K

Alcohol gel cooled with dry ice

Apr 1, 2014 · Replies 5 · Apr 2, 2014

Replies: 5

Views: 3K

MO Diagrams for Heteronuclear Diatomic Molecules

Mar 31, 2014 · Replies 1 · Apr 1, 2014

Replies: 1

Views: 3K

Something that bugs me about concentration

Mar 31, 2014 · Replies 1 · Mar 31, 2014

Replies: 1

Views: 2K

Entropy: Destruction or Transformation?

Mar 30, 2014 · Replies 3 · Mar 31, 2014

Replies: 3

Views: 2K

Why is silver acetate sort of insoluble?

Mar 27, 2014 · Replies 2 · Mar 29, 2014

Replies: 2

Views: 8K

What are Negative Reaction Orders and How Do They Affect Reaction Rates?

Mar 24, 2014 · Replies 4 · Mar 28, 2014

Replies: 4

Views: 11K

Standard change in entropy and change in entropy

Mar 28, 2014 · Replies 4 · Mar 28, 2014

Replies: 4

Views: 2K

Is the Octet Rule Always Applicable in Chemistry?

Mar 28, 2014 · Replies 1 · Mar 28, 2014

Replies: 1

Views: 2K

Pronouncing "Iron Ion": An English Quandary

Mar 27, 2014 · Replies 7 · Mar 28, 2014

Replies: 7

Views: 7K

Can Dipoles Have Unequal Charges?

Mar 27, 2014 · Replies 2 · Mar 28, 2014

Replies: 2

Views: 2K

What is the difference between a dipole and polarity?

Mar 27, 2014 · Replies 2 · Mar 28, 2014

Replies: 2

Views: 3K

Difference between macromolecules and supramolecule

Mar 26, 2014 · Replies 1 · Mar 27, 2014

Replies: 1

Views: 10K

How Does Gas Behavior Differ in Fixed-Volume vs. Piston Containers When Heated?

Mar 26, 2014 · Replies 3 · Mar 26, 2014

Replies: 3

Views: 2K

How does photochromic fluid work

Mar 25, 2014 · Replies 2 · Mar 26, 2014

Replies: 2

Views: 4K

Le chatelier, pressure and volume

Mar 25, 2014 · Replies 3 · Mar 25, 2014

Replies: 3

Views: 2K

Affect of temperature on exothermic reactions

Mar 23, 2014 · Replies 19 · Mar 25, 2014

Replies: 19

Views: 9K

Is there an animation that potrays overall look of orbitals?

Mar 21, 2014 · Replies 2 · Mar 23, 2014

Replies: 2

Views: 2K

Distinguish covalent and partially covalent chemical bonds

Mar 22, 2014 · Replies 4 · Mar 23, 2014

Replies: 4

Views: 2K

Sigma and Pi Bonds for Diatomic Oxygen Molecule

Mar 20, 2014 · Replies 3 · Mar 23, 2014

Replies: 3

Views: 6K

Troubleshooting My Homemade Smoke Bombs

Mar 22, 2014 · Replies 1 · Mar 23, 2014

Replies: 1

Views: 2K

Lewis dot structure, octet rule for a central atom

Mar 21, 2014 · Replies 1 · Mar 21, 2014

Replies: 1

Views: 3K

Understanding products of triated water decay

Mar 20, 2014 · Replies 2 · Mar 21, 2014

Replies: 2

Views: 2K

Does the reactivity series of metals hold true for organic compounds?

Mar 17, 2014 · Replies 4 · Mar 21, 2014

Replies: 4

Views: 2K

Defining Anhydrides: What Is the Most Accurate Definition?

Mar 18, 2014 · Replies 5 · Mar 21, 2014

Replies: 5

Views: 3K

Using a Platinum Electrode & HCl in a Standard Hydrogen Electrode

Dec 15, 2013 · Replies 1 · Mar 20, 2014

Replies: 1

Views: 2K

Q value with species in different states

Mar 19, 2014 · Replies 9 · Mar 20, 2014

Replies: 9

Views: 2K

Decrease in Density of Water with Increase in Soap Concentration

Mar 19, 2014 · Replies 2 · Mar 20, 2014

Replies: 2

Views: 4K

Is there a force between a particle of ionic compound?

Mar 18, 2014 · Replies 4 · Mar 18, 2014

Replies: 4

Views: 2K

Liquid with Lower Density than Petrol: Non-Fuel Options

Mar 17, 2014 · Replies 6 · Mar 18, 2014

Replies: 6

Views: 2K

Relation between Specific Conductance and Equivalent Conductance

Mar 17, 2014 · Replies 5 · Mar 18, 2014

Replies: 5

Views: 26K

Noob: conversion rates question

Mar 16, 2014 · Replies 11 · Mar 17, 2014

Replies: 11

Views: 3K

Rate of reaction and coefficient of the reactan

Mar 17, 2014 · Replies 6 · Mar 17, 2014

Replies: 6

Views: 2K

Cyclohexene radical isomers stability

Mar 15, 2014 · Replies 1 · Mar 17, 2014

Replies: 1

Views: 3K

Collision theory and haber's reaction

Mar 16, 2014 · Replies 3 · Mar 17, 2014

Replies: 3

Views: 2K

Equilibrium Constant: H2+O2->H2O

Mar 13, 2014 · Replies 4 · Mar 16, 2014

Replies: 4

Views: 3K

Software for atomic orbitals oveplap in molecules

Mar 8, 2014 · Replies 5 · Mar 16, 2014

Replies: 5

Views: 3K

Understanding Catalysts: A Key to Unlocking Efficient Chemical Reactions?

Mar 14, 2014 · Replies 2 · Mar 14, 2014

Replies: 2

Views: 8K

Hydrogen Atom Size and Magnetic Field Data: Understanding the Basics

Mar 14, 2014 · Replies 2 · Mar 14, 2014

Replies: 2

Views: 2K

Converting a secondary alkyl halide into a secondary alcohol

Mar 13, 2014 · Replies 1 · Mar 13, 2014

Replies: 1

Views: 3K

Pressure of Shaken Soda does change

Mar 11, 2014 · Replies 4 · Mar 12, 2014

Replies: 4

Views: 10K

Reactions: Irreversible Precipitate & Gas Evolution

Mar 10, 2014 · Replies 8 · Mar 11, 2014

Replies: 8

Views: 3K

Making TiO2 dissolve in acid organic

Mar 9, 2014 · Replies 1 · Mar 9, 2014

Replies: 1

Views: 5K

Inductive effect in carbocations/radicals

Mar 7, 2014 · Replies 7 · Mar 9, 2014

Replies: 7

Views: 6K

Electron Affinity, Type of energy released?

Mar 8, 2014 · Replies 3 · Mar 8, 2014

Replies: 3

Views: 3K

Orbital hybridisation and orbital overlap

Mar 7, 2014 · Replies 5 · Mar 8, 2014

Replies: 5

Views: 4K

Why Do Strongly Bonded Compounds Like HCl and NaCl Ionize in Water?

Mar 6, 2014 · Replies 3 · Mar 8, 2014

Replies: 3

Views: 4K

Chemistry Questions: Answers for Ions, Periodic Table, Molarity

Nov 22, 2013 · Replies 7 · Mar 6, 2014

Replies: 7

Views: 4K

What is more reactive carbon or phosphor

Mar 1, 2014 · Replies 2 · Mar 6, 2014

Replies: 2

Views: 2K

Solution vs Colloid naming convention

Mar 4, 2014 · Replies 1 · Mar 6, 2014

Replies: 1

Views: 2K

Surface tension and concentration

Feb 28, 2014 · Replies 10 · Mar 2, 2014

Replies: 10

Views: 7K

Why is W(VI) more stable than Cr(VI)

Mar 1, 2014 · Replies 4 · Mar 2, 2014

Replies: 4

Views: 3K

Help Strange problem with scientific calculator.

Mar 2, 2014 · Replies 3 · Mar 2, 2014

Replies: 3

Views: 3K

What is a Standard State or Reference State of an element?

Feb 28, 2014 · Replies 2 · Mar 1, 2014

Replies: 2

Views: 25K

How Does Conjugation Lower Energy and Increase Stability in Aromatic Compounds?

Feb 28, 2014 · Replies 3 · Feb 28, 2014

Replies: 3

Views: 2K

Is 1-butanol molecule a surfactant?

Feb 28, 2014 · Replies 1 · Feb 28, 2014

Replies: 1

Views: 3K

AC refrigerant in cars,greenhouse effect reasoning

Feb 26, 2014 · Replies 1 · Feb 26, 2014

Replies: 1

Views: 2K

Why do atoms follow octet rule?

Feb 13, 2014 · Replies 5 · Feb 25, 2014

Replies: 5

Views: 5K

Does my alcohol burner have a problem?

Feb 17, 2014 · Replies 3 · Feb 24, 2014

Replies: 3

Views: 3K

Why does the melting point of graphite is higher than diamond?

Jul 13, 2013 · Replies 9 · Feb 22, 2014

Replies: 9

Views: 47K

The weak acid conjugate base - something i can't understand.

Feb 20, 2014 · Replies 4 · Feb 22, 2014

Replies: 4

Views: 3K

Why Does CH3 Direct Radicals to Para and Ortho While COOH Directs to Meta?

Feb 21, 2014 · Replies 1 · Feb 22, 2014

Replies: 1

Views: 3K

Why is my salt solution not lighting the bulb?

Feb 14, 2014 · Replies 6 · Feb 21, 2014

Replies: 6

Views: 9K

Maximizing Safety and Accuracy in Titration: Tips for Volumetric Analysis

Feb 20, 2014 · Replies 6 · Feb 20, 2014

Replies: 6

Views: 3K

Community College Lab Field Trips

Feb 18, 2014 · Replies 3 · Feb 20, 2014

Replies: 3

Views: 2K

Trying to understand neon lights

Feb 14, 2014 · Replies 7 · Feb 20, 2014

Replies: 7

Views: 4K

Why does silver carbonate dissolve in nitric acid?

Feb 17, 2014 · Replies 2 · Feb 18, 2014

Replies: 2

Views: 4K

Calculating the pH of CO2 dissolved in 1l of water

Feb 17, 2014 · Replies 2 · Feb 18, 2014

Replies: 2

Views: 16K

Bridging the gap between waters selfionizatio and Le Chatelier

Feb 17, 2014 · Replies 2 · Feb 18, 2014

Replies: 2

Views: 2K

Flocculation based water purification.

Dec 24, 2013 · Replies 4 · Feb 17, 2014

Replies: 4

Views: 3K

Is CH3OH a better notation for methanol than CH4O?

Feb 14, 2014 · Replies 5 · Feb 17, 2014

Replies: 5

Views: 3K

Gas fittings: Chromatograph and Sputtering

Feb 2, 2014 · Replies 1 · Feb 15, 2014

Replies: 1

Views: 2K

How do you know .how many percent of acid for any compound

Feb 15, 2014 · Replies 3 · Feb 15, 2014

Replies: 3

Views: 3K

About the energy necessary to pull out the closest electron of a atom

Feb 14, 2014 · Replies 2 · Feb 15, 2014

Replies: 2

Views: 2K

Which Methanol State to Use for Heat of Reaction Calculations?

Feb 14, 2014 · Replies 1 · Feb 14, 2014

Replies: 1

Views: 2K

How is a PH of a solution determined?

Feb 11, 2014 · Replies 6 · Feb 14, 2014

Replies: 6

Views: 5K

Orbital theory - Molecular vs Hybrid orbitals

Feb 12, 2014 · Replies 5 · Feb 12, 2014

Replies: 5

Views: 8K

Aluminum Properties: Why Does It Not React with H2 and Plate Silver?

Feb 11, 2014 · Replies 3 · Feb 12, 2014

Replies: 3

Views: 3K

Fe Ag reactions in used photo fix solution question.

Feb 3, 2014 · Replies 19 · Feb 11, 2014

Replies: 19

Views: 4K

Thermal decomposition of calcium carbonate ?

Feb 9, 2014 · Replies 4 · Feb 10, 2014

Replies: 4

Views: 9K

Diprotic acids and weak acids/bases

Feb 8, 2014 · Replies 3 · Feb 9, 2014

Replies: 3

Views: 3K

Why do greenhouses gases need to have dipoles?

Feb 9, 2014 · Replies 1 · Feb 9, 2014

Replies: 1

Views: 4K

Why does water have higher entropy than helium?

Feb 8, 2014 · Replies 1 · Feb 8, 2014

Replies: 1

Views: 4K

How do collisions between gas molecules result in equal average kinetic energy?

Feb 8, 2014 · Replies 2 · Feb 8, 2014

Replies: 2

Views: 2K

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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