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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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Understanding Antioxidants: The Role of Oxidation and Reduction

thunderfvck
Jan 6, 2004 · Replies 4 · Jan 6, 2004

Replies: 4

Understanding Electron Sub-Shells for AS Chemistry Exam

Synkronised
Jan 6, 2004 · Replies 2 · Jan 6, 2004

Replies: 2

Why does ethanol digestion consume so much water?

thunderfvck
Jan 5, 2004 · Replies 10 · Jan 6, 2004

Replies: 10

Nicad vs Lithium Batteries: How to Maximize Life

ShawnD
Jan 2, 2004 · Replies 1 · Jan 5, 2004

Replies: 1

Can Isoamyl Acetate Create a Bee Army?

thunderfvck
Jan 3, 2004 · Replies 5 · Jan 5, 2004

Replies: 5

Could Deforistation lead to lack of ability to light fires?

wasteofo2
Dec 10, 2003 · Replies 35 · Jan 5, 2004

2

Replies: 35

Maximum concentration gradient for uncharged molecule using Nernst equation

Monique
Dec 31, 2003 · Replies 23 · Jan 4, 2004

Replies: 23

How do you use an LCD display to measure enantiomer optical rotation?

thunderfvck
Jan 3, 2004 · Replies 1 · Jan 3, 2004

Replies: 1

Why Does Deep Frying Produce Frothy Bubbles?

thunderfvck
Jan 3, 2004 · Replies 2 · Jan 3, 2004

Replies: 2

What makes lead so stable and can we transmute elements?

thunderfvck
Jan 3, 2004 · Replies 1 · Jan 3, 2004

Replies: 1

Organic, Natural, or Chemical Labelling for Products

Phoinx
Jan 1, 2004 · Replies 1 · Jan 1, 2004

Replies: 1

Advantages of a Burette vs. Measuring Cylinder

ruby_duby
Dec 30, 2003 · Replies 4 · Dec 31, 2003

Replies: 4

What Does the Dots and Numbers Mean in this Chemical Formula?

Nim
Dec 31, 2003 · Replies 1 · Dec 31, 2003

Replies: 1

How Do You Calculate Chemical Reaction Yields?

skyblueff0
Dec 30, 2003 · Replies 3 · Dec 31, 2003

Replies: 3

Do scientists know how many electrons an element has?

Mk
Dec 26, 2003 · Replies 4 · Dec 29, 2003

Replies: 4

Proton Splitting in Nitrotoluene

thunderfvck
Dec 20, 2003 · Replies 2 · Dec 23, 2003

Replies: 2

Why is ethanol the only drinkable alcohol?

ShawnD
Dec 22, 2003 · Replies 9 · Dec 22, 2003

Replies: 9

Soluble metal ion to make heavy water?

Another God
Dec 18, 2003 · Replies 8 · Dec 21, 2003

Replies: 8

How are cesium and thallium utilized in various industries?

Thallium
Dec 19, 2003 · Replies 5 · Dec 20, 2003

Replies: 5

What is this organic ring called?

ShawnD
Dec 20, 2003 · Replies 1 · Dec 20, 2003

Replies: 1

Using pKa to predict if organic compounds dissolve in different solvents

thunderfvck
Dec 19, 2003 · Replies 2 · Dec 19, 2003

Replies: 2

Questions about molecular forces and shapes

sanjuro
Dec 17, 2003 · Replies 1 · Dec 17, 2003

Replies: 1

What Do Pi Bond Clouds, Hexane's Shape, and Electrophiles Explain in Chemistry?

sanjuro
Dec 17, 2003 · Replies 1 · Dec 17, 2003

Replies: 1

What is the concentration of the HCl solution?

Jaramide
Dec 16, 2003 · Replies 2 · Dec 16, 2003

Replies: 2

How Do You Find the Molecular Formula for a Compound with a Given Molar Mass?

PrudensOptimus
Dec 3, 2003 · Replies 12 · Dec 16, 2003

Replies: 12

The Nobel Prize in Chemistry 2003

Monique
Dec 10, 2003 · Replies 4 · Dec 15, 2003

Replies: 4

Is chemistry easier than physics?

ShawnD
Dec 14, 2003 · Replies 24 · Dec 15, 2003

Replies: 24

Ionization Energies Calculation

Integral0
Dec 13, 2003 · Replies 1 · Dec 14, 2003

Replies: 1

Is 27O2 + 4C4H9NH2 -> 16CO2 + 22H20 + 2N2 a Combustion Reaction?

Integral0
Dec 14, 2003 · Replies 1 · Dec 14, 2003

Replies: 1

Using Salt Peter as gasoline improver.

dmz
Dec 13, 2003 · Replies 2 · Dec 13, 2003

Replies: 2

Solving a Buffer Problem in Chemistry: pH Calculation

gigi9
Dec 12, 2003 · Replies 1 · Dec 13, 2003

Replies: 1

How do you calculate enthalpy change from standard enthalpies of formation?

corabelle
Oct 7, 2003 · Replies 5 · Dec 12, 2003

Replies: 5

Why Does Sugar Water Freeze Faster Than Pure Water?

daniel3777
Dec 10, 2003 · Replies 6 · Dec 11, 2003

Replies: 6

What simple geometric shapes do molecules exhibit?

Loren Booda
Dec 9, 2003 · Replies 4 · Dec 10, 2003

Replies: 4

So I'm about to tear my hair out

Maxwell
Dec 9, 2003 · Replies 4 · Dec 9, 2003

Replies: 4

CO2 and Kr Mixture: Calculating Original CO2 and Recoverable Kr Amounts

babbagee
Dec 8, 2003 · Replies 3 · Dec 9, 2003

Replies: 3

What is bond order and why is it important?

Corky
Dec 8, 2003 · Replies 2 · Dec 9, 2003

Replies: 2

What is the process for finding the percent by mass of acetic acid in vinegar?

majinknight
Dec 6, 2003 · Replies 8 · Dec 9, 2003

Replies: 8

Solve Molecular Formula of Silicon-Fluorine Compound

babbagee
Dec 8, 2003 · Replies 3 · Dec 8, 2003

Replies: 3

How can I solve gas problems in chemistry?

babbagee
Dec 8, 2003 · Replies 2 · Dec 8, 2003

Replies: 2

Dating methods: calculating atomic ratio?

martine
Dec 4, 2003 · Replies 11 · Dec 8, 2003

Replies: 11

Why Rinse Hair With Vinegar After Shampoo?

majinknight
Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Calculating Mass of Acid in Vinegar

majinknight
Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Electrolyte and salivary amylase

oli
Dec 6, 2003 · Replies 3 · Dec 6, 2003

Replies: 3

Stoichiometry: Al and Cl2 reaction producing AlCl3

PrudensOptimus
Dec 1, 2003 · Replies 7 · Dec 6, 2003

Replies: 7

Rethinking Chemistry Education: Moving Beyond Rote Memorization

PrudensOptimus
Nov 26, 2003 · Replies 13 · Dec 6, 2003

Replies: 13

Balancing magnesium hydroxide and ammonium phosphate reaction

The_Brain
Dec 4, 2003 · Replies 4 · Dec 6, 2003

Replies: 4

What is the heat of formation of water vapor?

Greg Bernhardt
Dec 4, 2003 · Replies 5 · Dec 5, 2003

Replies: 5

Solving pH with [H+] = 1 * 10^-5 mol/L

WingZero
Dec 4, 2003 · Replies 1 · Dec 4, 2003

Replies: 1

Stereochemistry of Bromine Addition to trans-Cinnamic Acid

nautica
Nov 30, 2003 · Replies 10 · Dec 3, 2003

Replies: 10

How do you calculate energy change when Br2 adds to ethene?

JKLM
Dec 2, 2003 · Replies 1 · Dec 2, 2003

Replies: 1

What Causes Difficulty in Understanding Chemistry?

gotzmlk
Dec 1, 2003 · Replies 1 · Dec 2, 2003

Replies: 1

What Determines the Oxidation States of Aluminum and Silicon?

yoquierouf
Nov 24, 2003 · Replies 9 · Nov 30, 2003

Replies: 9

Reaction Rate of 4HCl + 4NaS2O3 -> Effects on Reaction

Drad
Nov 29, 2003 · Replies 2 · Nov 29, 2003

Replies: 2

Why is there a difference in atomic and ionic radii for Ca and Zn?

siriuswishbear
Nov 29, 2003 · Replies 5 · Nov 29, 2003

Replies: 5

Why did the red color fade in the reaction between substance x(2+) and y(2+)?

22-16
Nov 21, 2003 · Replies 10 · Nov 27, 2003

Replies: 10

Do O2 gas and diphosphate combust at approx 40 degrees C?

wasteofo2
Nov 26, 2003 · Replies 2 · Nov 26, 2003

Replies: 2

Is the Backward Reaction at Equilibrium Non-Spontaneous or Reversible?

himanshu121
Nov 24, 2003 · Replies 6 · Nov 25, 2003

Replies: 6

Involving Rate determining steps

Foon
Nov 20, 2003 · Replies 3 · Nov 24, 2003

Replies: 3

Why does acidity depend on hydronium ions, not the original acid?

cepheid
Nov 23, 2003 · Replies 2 · Nov 23, 2003

Replies: 2

How to Calculate the Mass of a Calcium Atom in Kilograms?

Andrew321
Nov 21, 2003 · Replies 1 · Nov 21, 2003

Replies: 1

What Is the Longest and Most Complex Chemical Equation Known?

benzun_1999
Nov 19, 2003 · Replies 13 · Nov 21, 2003

Replies: 13

Can you calculate hydrogen pressure inside a palladium lattice?

Brad_Ad23
Nov 19, 2003 · Replies 4 · Nov 20, 2003

Replies: 4

Electron spin and chemical bonding

chroot
Nov 18, 2003 · Replies 4 · Nov 19, 2003

Replies: 4

Standardising NaOH against HCl in a practical

Bunting
Nov 19, 2003 · Replies 1 · Nov 19, 2003

Replies: 1

Square Planar Complex Ion Arrangements

lavalamp
Nov 16, 2003 · Replies 3 · Nov 18, 2003

Replies: 3

How many atoms are in 20.6g of N2O4 gas at STP?

fish
Nov 16, 2003 · Replies 3 · Nov 16, 2003

Replies: 3

What is the mechanism of protein denaturation at high temperature or extreme pH?

FZ+
Nov 14, 2003 · Replies 3 · Nov 14, 2003

Replies: 3

Are Uuq and Uuh: Same or Different?

dr.ununquadium
Nov 5, 2003 · Replies 2 · Nov 14, 2003

Replies: 2

Why Water Doesn't Intervene in Ethene Electrophilic Addition

garytse86
Nov 11, 2003 · Replies 5 · Nov 14, 2003

Replies: 5

Chemistry: A Precise Definition

mikelus
Oct 30, 2003 · Replies 4 · Nov 12, 2003

Replies: 4

Request for a chemistry forum

ShawnD
Nov 12, 2003 · Replies 3 · Nov 12, 2003

Replies: 3

Enthalpy and entropy signs in exothermic and endothermic reactions

Integral0
Nov 10, 2003 · Replies 14 · Nov 12, 2003

Replies: 14

Understanding Polyatomic Ions in Lewis Structures

bjon-07
Nov 11, 2003 · Replies 2 · Nov 12, 2003

Replies: 2

Extensive Organic Chemistry Database

RuiMonteiro
Nov 11, 2003 · Replies 4 · Nov 12, 2003

Replies: 4

Equilibrium calculation for H2O + Cl2O ⇌ 2HOCl with Kc = 0.090

marioland
Nov 9, 2003 · Replies 2 · Nov 11, 2003

Replies: 2

What alternative periodic table arrangements exist?

DaMadScientist
Nov 10, 2003 · Replies 4 · Nov 10, 2003

Replies: 4

Is it possible to manufacture water and how does it work?

Dr.Nemo
Oct 8, 2003 · Replies 41 · Nov 10, 2003

2

Replies: 41

Alcohol Enzyme Reactions: High or Low?

Jeebus
Nov 9, 2003 · Replies 3 · Nov 9, 2003

Replies: 3

Enthalpy of Combustion per mole of H2

Integral0
Nov 9, 2003 · Replies 15 · Nov 9, 2003

Replies: 15

Solute vs Solvent: A 9th Grade Exploration

gcn_zelda
Nov 8, 2003 · Replies 2 · Nov 8, 2003

Replies: 2

Chromatography Applications and Advantages

sanjuro
Nov 5, 2003 · Replies 5 · Nov 6, 2003

Replies: 5

Identifying four unknown chemicals using solubility rules

Markiss
Nov 5, 2003 · Replies 4 · Nov 6, 2003

Replies: 4

Why is BeF2 nonpolar despite having polar bonds?

STAii
Oct 31, 2003 · Replies 13 · Nov 4, 2003

Replies: 13

Why does scratching the beaker help precipitate form?

KLscilevothma
Nov 3, 2003 · Replies 3 · Nov 4, 2003

Replies: 3

Why Can the 3rd Shell Hold 18 Electrons?

repugno
Oct 31, 2003 · Replies 7 · Nov 2, 2003

Replies: 7

Why do I need to multiply moles by volume in titrations?

repugno
Oct 21, 2003 · Replies 23 · Oct 24, 2003

Replies: 23

Preparation of butanone by oxidation

KLscilevothma
Oct 21, 2003 · Replies 3 · Oct 22, 2003

Replies: 3

Durian: The King of Fruits - Is it Fatal with Beer?

recon
Oct 21, 2003 · Replies 2 · Oct 21, 2003

Replies: 2

Equation Reactions: Solid Zinc + Sodium Hydroxide

JKLM
Oct 17, 2003 · Replies 10 · Oct 21, 2003

Replies: 10

Why the pH value does not change?

Johnny Leong
Oct 20, 2003 · Replies 2 · Oct 20, 2003

Replies: 2

Chemo Reacting Volumes Of Gasses q's

SiCharlton
Oct 15, 2003 · Replies 8 · Oct 16, 2003

Replies: 8

The Chemistry Behind Fizzy Bath Bombs

Inquiring_Mike
Oct 11, 2003 · Replies 4 · Oct 13, 2003

Replies: 4

Melting point of 40% Sn and 60% Pb

Monique
Oct 5, 2003 · Replies 11 · Oct 9, 2003

Replies: 11

Understanding Oxidation States in Ethanol (C2H5OH) and Carbon Dioxide (CO2)

Integral0
Oct 7, 2003 · Replies 2 · Oct 8, 2003

Replies: 2

Engineering Molecules for Wavelength Absorption

eagleone
Oct 8, 2003 · Replies 1 · Oct 8, 2003

Replies: 1

Which of the following atomic elements does not belong in the following list?

Greg Bernhardt
Oct 7, 2003 · Replies 14 · Oct 7, 2003

Replies: 14

Figuring Out How Much HCl for Ba(OH)2 Reaction

Integral0
Oct 6, 2003 · Replies 4 · Oct 6, 2003

Replies: 4

How Much HCl Is Needed to Neutralize NaOH?

Integral0
Oct 6, 2003 · Replies 3 · Oct 6, 2003

Replies: 3

Why do milk and eggs congeal when heat is applied?

sanjuro
Oct 6, 2003 · Replies 2 · Oct 6, 2003

Replies: 2

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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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