Search

Search results

Displaying 301 - 310

Glossary of Chemical Terms - H

HA B C D E F G H I J K L M N O P Q R S T U V W X Y Z half-cell An oxidation or reduction reaction that occurs at an electrode.Two half-cells must be combined to form an electrochemical cell. half-…

Chemistry: The pH Scale

The pH ScaleChemistryAcids and BasesWhat Are Acids and Bases?Properties of Acids and BasesThe pH ScaleTitrationsBuffers As you might imagine, it's useful to be able to measure the acidity of…

molecule

(Encyclopedia) moleculemoleculemŏlˈəky&oomacr;l [key] [New Lat.,=little mass], smallest particle of a compound that has all the chemical properties of that compound. A single atom is usually not…

Glossary of Chemical Terms - C

CA B C D E F G H I J K L M N O P Q R S T U V W X Y Z calorie The amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius. calorimeter Any one of a number of…

Algebra: Graphing Linear Inequalities

Graphing Linear Inequalities Algebra Linear Inequalities Equations vs. Inequalities Solving Basic Inequalities The Inequality Mood Swing Graphing Solutions Compound Inequalities Inequalities…

The Chemistry of Biology: Lipids

LipidsThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic AcidsVitamins and Minerals…

The Chemistry of Biology: Proteins

ProteinsThe Chemistry of BiologyIntroductionAtomic TheoryChemical Reactions: Ionic, Covalent, and Polar Covalent BondsWaterOrganic ChemistryCarbohydratesLipidsProteinsNucleic AcidsVitamins and…

September 2002

WorldEarth Summit Ends with Pact (Sept. 4): Meeting produces plan to improve sanitation, increase accessibility of clean water, reduce the number of endangered species, and improve safety of…

guanine

(Encyclopedia) guanineguaninegwäˈnēn [key], organic base of the purine family. It was reported (1846) to be in the guano of birds; later (1879–84) it was established as one of the major constituents…