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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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Differences Between Ordinary and Steel Epoxy Adhesives for Steel Materials

Mar 21, 2017 · Replies 2 · Mar 21, 2017

Replies: 2

Views: 1K

Missing Hydrogen in DNA base pairs

Mar 21, 2017 · Replies 3 · Mar 21, 2017

Replies: 3

Views: 2K

Predicting charge of organic compound at certain pH

Mar 19, 2017 · Replies 2 · Mar 20, 2017

Replies: 2

Views: 2K

Measure Entropy: Can Absolute Entropy be Zero?

Mar 14, 2017 · Replies 3 · Mar 20, 2017

Replies: 3

Views: 2K

Vinegar and Steel Wool Question

Mar 16, 2017 · Replies 1 · Mar 16, 2017

Replies: 1

Views: 2K

Should sodium lipoate react with ascorbic acid?

Mar 14, 2017 · Replies 11 · Mar 16, 2017

Replies: 11

Views: 2K

Reversing emulsification process

Mar 16, 2017 · Replies 1 · Mar 16, 2017

Replies: 1

Views: 1K

What methods can be used to ionize substances?

Mar 13, 2017 · Replies 4 · Mar 14, 2017

Replies: 4

Views: 1K

Predicting precipitates in a solution

Mar 11, 2017 · Replies 14 · Mar 11, 2017

Replies: 14

Views: 2K

How Do Solutes in Polar Solutions Retain Original Properties After Ionization?

Mar 10, 2017 · Replies 3 · Mar 10, 2017

Replies: 3

Views: 1K

What is the purpose of hobby chemistry?

Mar 3, 2017 · Replies 31 · Mar 9, 2017

2

Replies: 31

Views: 7K

Understanding the Different Forms of the Ideal Gas Law and Their Applications

Mar 7, 2017 · Replies 5 · Mar 8, 2017

Replies: 5

Views: 4K

Calculating the weight of 1 atomic mass unit

Feb 28, 2017 · Replies 29 · Mar 7, 2017

Replies: 29

Views: 8K

The latent heat of crystallisation of sodium chlorate

Mar 6, 2017 · Replies 2 · Mar 7, 2017

Replies: 2

Views: 2K

Raising pH of coffee/tea safely and permanently?

Mar 5, 2017 · Replies 9 · Mar 5, 2017

Replies: 9

Views: 2K

Molecular symmetry group of non-rigid molecules

Mar 1, 2017 · Replies 4 · Mar 3, 2017

Replies: 4

Views: 2K

Why does magnesium carbonate have no flame color?

Feb 28, 2017 · Replies 5 · Mar 3, 2017

Replies: 5

Views: 9K

Increasing the concentration of a solution - Diff Eq?

Mar 3, 2017 · Replies 1 · Mar 3, 2017

Replies: 1

Views: 3K

How Does a Glucose Sensor Work?

Mar 2, 2017 · Replies 3 · Mar 3, 2017

Replies: 3

Views: 2K

What factors determine an atom's oxidation state?

Feb 22, 2017 · Replies 15 · Feb 24, 2017

Replies: 15

Views: 3K

How are angles in molecules calculated?

Feb 22, 2017 · Replies 9 · Feb 23, 2017

Replies: 9

Views: 2K

Trouble Understanding Suborbitals

Feb 22, 2017 · Replies 1 · Feb 23, 2017

Replies: 1

Views: 2K

Photochromic and thermochromic Materials

Jul 1, 2016 · Replies 15 · Feb 22, 2017

Replies: 15

Views: 8K

Can Oil Boil at Low Pressure Like Water in a Vacuum Jar?

Feb 22, 2017 · Replies 1 · Feb 22, 2017

Replies: 1

Views: 2K

Copper Compounds: Fun Ideas for Amateurs

Feb 21, 2017 · Replies 1 · Feb 21, 2017

Replies: 1

Views: 2K

Calibrating Argon Spectrum with MicroLab Spectrometer Model 141

Feb 20, 2017 · Replies 7 · Feb 21, 2017

Replies: 7

Views: 2K

What is enthelpy for an adiabatic process

Feb 14, 2017 · Replies 8 · Feb 18, 2017

Replies: 8

Views: 27K

Memorizing VSEPR Structures: A Simple Method for Success

Nov 13, 2014 · Replies 3 · Feb 18, 2017

Replies: 3

Views: 44K

The Energy Potential of Trees: A Look at Biomimicry

Feb 17, 2017 · Replies 6 · Feb 18, 2017

Replies: 6

Views: 2K

Resources for finding boiling point at other than 1 atm?

Feb 17, 2017 · Replies 5 · Feb 18, 2017

Replies: 5

Views: 2K

Exothermic Energy: Explaining Hydration of Sulphuric Acid

Feb 15, 2017 · Replies 2 · Feb 16, 2017

Replies: 2

Views: 2K

Is there a difference in polarity between maleic acid and fumeric acid?

Oct 20, 2014 · Replies 2 · Feb 15, 2017

Replies: 2

Views: 7K

How Pyrolysis works (step by step process). Need help

Feb 15, 2017 · Replies 4 · Feb 15, 2017

Replies: 4

Views: 2K

Citric Acid pKa: Calculate pH of Molar Concentration

Jan 22, 2017 · Replies 7 · Feb 14, 2017

Replies: 7

Views: 10K

Why do these Nitrogens experience steric hindrance?

Feb 13, 2017 · Replies 1 · Feb 13, 2017

Replies: 1

Views: 2K

Ordinary light and monochromatic light

Apr 15, 2016 · Replies 37 · Feb 13, 2017

2

Replies: 37

Views: 15K

Helium compound produced, closing the last gap

Feb 7, 2017 · Replies 6 · Feb 12, 2017

Replies: 6

Views: 2K

Looking for a website that suggests chemical equations

Feb 10, 2017 · Replies 1 · Feb 12, 2017

Replies: 1

Views: 1K

The Effect of Intermolecular Forces on Ideal Gas Behavior

Feb 11, 2017 · Replies 5 · Feb 12, 2017

Replies: 5

Views: 2K

Confused about subscripts and coefficients wrt forumulas

Feb 9, 2017 · Replies 3 · Feb 9, 2017

Replies: 3

Views: 2K

IUPAC nomenclature for many multiple bonds

Feb 6, 2017 · Replies 4 · Feb 6, 2017

Replies: 4

Views: 2K

The infulence of ligands in complexes

Feb 5, 2017 · Replies 2 · Feb 6, 2017

Replies: 2

Views: 2K

Determination of Ca/Mg in orthophosphate-rich solutions

Feb 6, 2017 · Replies 2 · Feb 6, 2017

Replies: 2

Views: 1K

Magnesium salt of EDTA is the same as EDTA-2NaMg?

Feb 6, 2017 · Replies 2 · Feb 6, 2017

Replies: 2

Views: 2K

Help - spiking sediment with known concentration of sulphide

Feb 4, 2017 · Replies 7 · Feb 4, 2017

Replies: 7

Views: 2K

What does it take to rush ahead of commercial factories? (graphene)

Feb 1, 2017 · Replies 14 · Feb 3, 2017

Replies: 14

Views: 2K

Gibbs adsorption isotherm derivation

Jan 26, 2017 · Replies 8 · Feb 2, 2017

Replies: 8

Views: 5K

Mixing of Strong acid and Weak acid

Feb 2, 2017 · Replies 7 · Feb 2, 2017

Replies: 7

Views: 6K

Dissolving Plaster CaSO4 with either NaHCO3 or NH4HCO3 ?

Jan 22, 2017 · Replies 5 · Feb 1, 2017

Replies: 5

Views: 6K

Around how much do hot plate heat knobs increase per number?

Jan 30, 2017 · Replies 5 · Feb 1, 2017

Replies: 5

Views: 8K

Why is my homemade alkaline water not reaching the expected pH level?

Jan 29, 2017 · Replies 14 · Feb 1, 2017

Replies: 14

Views: 3K

How is heat exactly measured in DSC

Jan 22, 2017 · Replies 12 · Feb 1, 2017

Replies: 12

Views: 2K

Heat of combustión of a mixture of two substances?

Jan 30, 2017 · Replies 7 · Jan 31, 2017

Replies: 7

Views: 6K

Which Among These Species Does Not Exhibit Resonance?

Jan 30, 2017 · Replies 7 · Jan 30, 2017

Replies: 7

Views: 2K

What is the best DIY mix for cleaning with an ultrasonic cleaner?

Jan 23, 2017 · Replies 14 · Jan 29, 2017

Replies: 14

Views: 10K

Potassium iodide and thyroid protection

Jan 27, 2017 · Replies 12 · Jan 29, 2017

Replies: 12

Views: 3K

Difference between absorption spectroscopy and extinction

Jan 26, 2017 · Replies 1 · Jan 26, 2017

Replies: 1

Views: 7K

Need to test Tactile user-experience of different Materials

Jan 25, 2017 · Replies 4 · Jan 26, 2017

Replies: 4

Views: 2K

Half-Reactions in Zn + HCl Reaction

Jan 24, 2017 · Replies 3 · Jan 24, 2017

Replies: 3

Views: 2K

Line Spectra correct intepretation

Jan 22, 2017 · Replies 2 · Jan 24, 2017

Replies: 2

Views: 2K

Determining the Ionic Radii of group 2 metal chlorides?

Jan 20, 2017 · Replies 1 · Jan 21, 2017

Replies: 1

Views: 2K

Is the covalent character of sodium chloride affected by its polarity?

Jan 16, 2017 · Replies 14 · Jan 20, 2017

Replies: 14

Views: 4K

Why do strong acids dissociate completely in water?

Mar 4, 2014 · Replies 15 · Jan 20, 2017

Replies: 15

Views: 38K

Polyolefin Ion Membranes in Electrochemical Cells

Jan 11, 2017 · Replies 2 · Jan 19, 2017

Replies: 2

Views: 2K

Synthesis with a boiling toluene

Jan 16, 2017 · Replies 1 · Jan 17, 2017

Replies: 1

Views: 2K

Why does saltwater increase rate of corrosion?

Jan 16, 2017 · Replies 9 · Jan 17, 2017

Replies: 9

Views: 4K

Anyone work with liquid flow, tubing size flow dependence

Jan 17, 2017 · Replies 3 · Jan 17, 2017

Replies: 3

Views: 2K

How Does ΔH Change with Temperature for Water to Vapor Conversion?

Jan 16, 2017 · Replies 1 · Jan 17, 2017

Replies: 1

Views: 2K

Chemical Bonds - various questions

Jan 15, 2017 · Replies 3 · Jan 17, 2017

Replies: 3

Views: 2K

Does hybridisation only occur with Carbon?

Jan 9, 2017 · Replies 13 · Jan 16, 2017

Replies: 13

Views: 8K

What additional courses should I take as a chem major?

Jan 15, 2017 · Replies 5 · Jan 16, 2017

Replies: 5

Views: 2K

What is the Lewis structure of C3H5+ ion?

Jan 14, 2017 · Replies 5 · Jan 15, 2017

Replies: 5

Views: 5K

How can i stick metal nanoparticles on glass?

Jan 12, 2017 · Replies 3 · Jan 15, 2017

Replies: 3

Views: 2K

Undergrad Struggles: Naming Compounds

Jan 14, 2017 · Replies 2 · Jan 15, 2017

Replies: 2

Views: 2K

Naming a Compound: Understanding C(CH3)3 and Its Naming Conventions

Jan 14, 2017 · Replies 2 · Jan 14, 2017

Replies: 2

Views: 4K

How volatile impurity affects boiling point of a liquid?

Jan 13, 2017 · Replies 5 · Jan 13, 2017

Replies: 5

Views: 8K

How is it possible for v/v units to exceed 100%?

Jan 10, 2017 · Replies 6 · Jan 13, 2017

Replies: 6

Views: 2K

Fe2O3 Thermal Decomposition Question

Jan 12, 2017 · Replies 1 · Jan 12, 2017

Replies: 1

Views: 9K

Understanding the Distinctions Between MOFs, COFs, and POPs: A Brief Overview

Jan 9, 2017 · Replies 2 · Jan 11, 2017

Replies: 2

Views: 2K

My vitamin C titration with iodate turned red. Help

Jan 9, 2017 · Replies 3 · Jan 10, 2017

Replies: 3

Views: 2K

Molecules/nm²? what does it mean

Jan 10, 2017 · Replies 6 · Jan 10, 2017

Replies: 6

Views: 2K

Is Ammonia absorption in water exothermic?

Jan 10, 2017 · Replies 9 · Jan 10, 2017

Replies: 9

Views: 14K

Help with understanding equilibrium & temperature

Jan 10, 2017 · Replies 1 · Jan 10, 2017

Replies: 1

Views: 2K

Negative ions affecting galvanic cell voltage

Jan 9, 2017 · Replies 16 · Jan 10, 2017

Replies: 16

Views: 3K

How Do I Solve Double Displacement Reactions for Chemistry Homework?

Jan 9, 2017 · Replies 5 · Jan 9, 2017

Replies: 5

Views: 3K

Why doesn't boiling water exceed 100 deg C?

Aug 15, 2014 · Replies 15 · Jan 8, 2017

Replies: 15

Views: 66K

How can we efficiently dry metallic nanoparticles

Jan 6, 2017 · Replies 12 · Jan 8, 2017

Replies: 12

Views: 2K

How can grass be turned into fertilizer after digestion?

Jan 5, 2017 · Replies 12 · Jan 8, 2017

Replies: 12

Views: 2K

Why is it that cocaine crystals aren't transparent

Dec 28, 2016 · Replies 8 · Jan 6, 2017

Replies: 8

Views: 14K

Effect of particle size on boiling point in solution

Jan 3, 2017 · Replies 6 · Jan 6, 2017

Replies: 6

Views: 4K

Is a hydronium (H3O+) less clear than a water pool (H2O)?

Jan 6, 2017 · Replies 1 · Jan 6, 2017

Replies: 1

Views: 2K

Why Lutetium & Lawrencium always been in f-orbital group?

Jan 5, 2017 · Replies 1 · Jan 6, 2017

Replies: 1

Views: 2K

Can Solids Really Burn Underwater?

Jan 4, 2017 · Replies 9 · Jan 5, 2017

Replies: 9

Views: 2K

Discover the Reason Behind Adding 32 to the Formula for Converting °C to °F

Dec 18, 2016 · Replies 11 · Jan 4, 2017

Replies: 11

Views: 4K

Solutes with very high melting points

Jan 3, 2017 · Replies 4 · Jan 4, 2017

Replies: 4

Views: 2K

Solubility-Pressure graph of Ammonia

Jan 3, 2017 · Replies 4 · Jan 4, 2017

Replies: 4

Views: 5K

MeOH:H2O Freezing Point Depression Calculation Issue

Jan 3, 2017 · Replies 1 · Jan 3, 2017

Replies: 1

Views: 2K

Shouldn't Carbon-14 concentration be the same everywhere?

Jan 2, 2017 · Replies 3 · Jan 3, 2017

Replies: 3

Views: 2K

Electron transfer and oxidation state

Dec 25, 2016 · Replies 11 · Jan 3, 2017

Replies: 11

Views: 3K

Quantifying P or PO4 in an unknown solid

Dec 23, 2016 · Replies 3 · Jan 3, 2017

Replies: 3

Views: 1K

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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