Analytical chemistry is a branch of chemistry that deals with the separation, identification and quantification of chemical compounds. Chemical analyses can be qualitative, as in the identification of ...

Based on the Central Lecture Course by Dr. Frederic P. Schuller (A thorough introduction to the theory of general relativity) introducing the mathematical and physical foundations of the theory in 24 ...

Chemistry is a branch of science that involves the study of the composition, structure and properties of matter. Often known as the central science, it is a creative discipline chiefly concerned with ...

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Esters are formed by the condensation reaction between an alcohol and a carboxylic acid. This is known as esterification. In a condensation reaction, two molecules join and produce a larger molecule ...

A catalyst is a substance that speeds up a chemical reaction. The catalyst is not used up or chemically changed during the reaction. Enzymes are catalysts that work inside the cells of living ...