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1. Combustion of wood: the reduction of ash from coal and carbon dioxide, in addition to other gases, this process is irreversible and while carrying a cable energy is released as heat.
2. The union of one atom of oxygen with two of hydrogen: produces water, this process is reversible because it is possible to separate the atoms again to obtain hydrogen and oxygen.
3. The corrosion that occurs when a structure of iron is exposed to the weather: This is the oxidation that comes into contact with the oxygen of the air obtaining the iron oxide.
4. The digestion of food: when living beings feed, that food becomes essential energy for life.
5. Photosynthesis: a process in which plants are able to convert the energy of the Sun into food.
6. The fermentation process that converts grape juice into wine: it transforms the sugars that contain this juice into alcohol and carbon dioxide.
7. The generation of electricity: in a battery from the electrical energy that occur between the substances that form the pile.
8. The making of soap: by saponification which is a chemical reaction between a fatty acid and an ester.
9. The process of oil refining: to obtain other rises such as gasoline and diesel.
10. Breathing: by which is a series of chemical changes between air and blood that release carbon dioxide and water vapor from the inspired oxygen. yo te puse 10 por si acaso
2. The union of one atom of oxygen with two of hydrogen: produces water, this process is reversible because it is possible to separate the atoms again to obtain hydrogen and oxygen.
3. The corrosion that occurs when a structure of iron is exposed to the weather: This is the oxidation that comes into contact with the oxygen of the air obtaining the iron oxide.
4. The digestion of food: when living beings feed, that food becomes essential energy for life.
5. Photosynthesis: a process in which plants are able to convert the energy of the Sun into food.
6. The fermentation process that converts grape juice into wine: it transforms the sugars that contain this juice into alcohol and carbon dioxide.
7. The generation of electricity: in a battery from the electrical energy that occur between the substances that form the pile.
8. The making of soap: by saponification which is a chemical reaction between a fatty acid and an ester.
9. The process of oil refining: to obtain other rises such as gasoline and diesel.
10. Breathing: by which is a series of chemical changes between air and blood that release carbon dioxide and water vapor from the inspired oxygen. yo te puse 10 por si acaso
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