Search results for “Formule empirique”

Good substance quantity ratio

Material quantity ratios can be formulated in very different ways. However, there are more skillful and clumsy ones. This screencast explains how to make it a little easier for yourself. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

08 Salination reactions

Salts are formed from the reaction of their elements. It is explained how the electron release, electron uptake and the overall reaction are to be formulated. In order to be able to formulate the redox reactions later, this type of reaction is very important! Original: "Wolfgang Dukorn" Original:

10 Oxidation of alcohols

The oxidation of the primary and secondary alcohols by the oxidizing agents potassium dichromate and potassium permanganate is explained. Redox reactions are formulated. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been done by the alugha AI.

08 Setting up reaction equations

The screencast shows how to formulate reaction equations in the chemical formula language. The law of conservation of mass is fundamental and is evident both at the particle level and in the reaction equation. Afterwards it is necessary to practice a lot! Original: "Wolfgang Dukorn" Original: Germ

What are pesticides?

In Germany, around 1000 crop protection products are registered - such as insecticides or fungicides. A plant protection product consists of a toxic active ingredient and an often toxic co-formulant that makes the product water-soluble, for example. Author: 3sat/nano/DokUtopia Film/Berndt Welz/Seba

Cipolla's 5 Laws of Stupidity

One always and inevitably underestimates the number of stupid people who are in circulation, says Cipolla's Law of Stupidity. Although Carlo Cipolla originally formulated his principles in the form of an amusing letter to his friends, it soon gained a lot of attention among social theorists. Today,