Question

Расскажите о способах получения кислорода

Answer 1

Фотосинтез, разложение марганцовки.Фотосинтеза реакцию не знаю,Kmno4=O2+Kmno2

Answer 2

Ways to Obtain Oxygen

Oxygen is an essential element for sustaining life, and there are several ways to obtain it. Here are some common methods:

1. Breathing Air: The most common way to obtain oxygen is through the air we breathe. The atmosphere is composed of approximately 21% oxygen, which is sufficient for our respiratory needs.

2. Oxygen Concentrators: Oxygen concentrators are medical devices that extract oxygen from the surrounding air and deliver it to individuals who require supplemental oxygen. These devices filter out nitrogen and other gases, providing a higher concentration of oxygen to the user.

3. Oxygen Cylinders: Oxygen cylinders contain compressed oxygen gas and are commonly used in medical settings or for emergency purposes. They provide a portable source of oxygen that can be used when access to an oxygen concentrator or other oxygen sources is not available.

4. Liquid Oxygen: Liquid oxygen is a highly concentrated form of oxygen that is stored at extremely low temperatures. It is commonly used in medical and industrial applications where a large supply of oxygen is needed. Liquid oxygen can be converted back into a gas for use.

5. Oxygen Generators: Oxygen generators produce oxygen by separating it from other gases in the air using various methods such as pressure swing adsorption or membrane separation. These devices are often used in industrial settings or for specialized applications.

6. Photosynthesis: In nature, plants and some microorganisms produce oxygen through the process of photosynthesis. During photosynthesis, plants use sunlight, water, and carbon dioxide to produce oxygen as a byproduct.

7. Electrolysis: Electrolysis is a process that uses an electric current to split water molecules into hydrogen and oxygen gases. The oxygen gas produced through this process can be collected and used for various purposes.

8. Chemical Reactions: Certain chemical reactions can produce oxygen as a byproduct. For example, hydrogen peroxide can decompose into water and oxygen when exposed to a catalyst.

These are just a few of the ways in which oxygen can be obtained. The specific method used depends on the intended application and the requirements of the situation.