Laboratory is defined as the place built for the purpose of carrying out experiments, to be consi...

Water alone cannot remove grease from materials. This is because Thewater is polar, as shown in t...

THE urban hierarchy it is the way cities organize themselves within a scale of subordination. In ...

The electrolysis of water consists of the decomposition of this substance by means of an electric...

The oxidation of organic compounds is a very useful reaction in the effluent (sewage) treatment p...

Consider a circle inscribed on another circle, that is, two concentric circles (same center), the...

Nucleic acids are macromolecules of a chemical nature, formed by nucleotides, phosphoric groups, ...

Displacement Reactions, also called substitution reactionsor still from simple exchange, are thos...

Batteries have become so important in our daily lives that they deserve special study. They are r...

THEosmosis and the solvent passage, from a less concentrated solution to a more concentrated solu...

Brazil's insertion in the "new world order" is inexorably conditioned to the adequacy of nationa...

A chemical equation is understood as the description of chemical processes, in which the reactant...