Содержание
- 2. The concept of redox reactions Redox reactions - chemical reactions that occur with a change in
- 3. Oxidation - the process of recoil electrons an atom, molecule or ion. Atoms are converted into
- 4. Recovery - the process of accession of electrons an atom, molecule or ion. Atom converted to
- 5. Recovery - atoms, molecules, or ions donate electrons. They are in the process redox reaction oxidized
- 6. Oxidants - atoms, molecules or ions, electrons join. They are in the process of oxidation-reduction reactions
- 7. On the display of the redox properties of the effect of such factors as the stability
- 8. The degree of oxidation of sulfur: -2,0,+4,+6 Н2S-2 - reductant 2Н2S+3O2=2H2O+2SO2 S0,S+4O2 – oxidant and reductant
- 9. Определение степеней окисления атомов химических элементов The oxidation state of atoms of chemical elements in the
- 10. Classification of redox reactions Intermolecular oxidation reactions 2Al0 + 3Cl20 → 2Al+3 Cl3-1 Intramolecular oxidation 2KCl+5O3-2
- 11. The value of redox reactions Redox reactions are very common. They linked the metabolic processes in
- 12. Corrosion of metals Methods corrosion protection
- 13. CORROSION - spontaneous destruction of metals and alloys as a result of chemical and electrochemical interactions
- 14. Factors that may cause corrosion Oxygen and atmospheric moisture Carbon and sulfur gases contained in the
- 15. gas atmospheric soil liquid (acid, salt, alkali) chemical electrochemical is uniform nonuniform (or local election)
- 16. CHEMICAL - a failure of metals and alloys as a result of their chemical interactions with
- 17. Electrochemical - a failure of metals, which is accompanied by the appearance of an electric current
- 18. CONDITIONS of electrochemical corrosion The position of the metal in a series of activity of metal:
- 19. METHODS corrosion protection The application of protective coatings (paints, varnishes, enamels); Covering other metals (gold-plated, silver,
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