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How much of the ultraviolet radiation from the sun is absorbed by oxygen and ozone?
95-99.9%
How much of the ultraviolet radition from the sun is absorbed by oxygen and ozone?
Most of it is absorbed. UV is the harmful radiation of the sun.
What properties does ozone have that oxygen does not?
Ozone is a molecule made up of three oxygen atoms, whereas oxygen is composed of two oxygen atoms. Ozone is a much more reactive and unstable gas compared to oxygen. Ozone has a distinct pungent odor and can cause respiratory irritation in high concentrations, which oxygen does not.
What is the roll of the ozone in the atmosphere?
It blocks much of the ultraviolet light from the sun.
What is the gas that absorbs much of the incoming ultraviolet radiation from the earths sun?
Ozone is the gas. This is present as ozone layer.
How oxygen change to ozone?
Oxygen gas is O2 . Ozone is O3. The ozone-producing reaction is 3O2 ---> 2O3 . This reaction is endothermic - it needs energy input from outside. Most ozone existing on earth is produced very high in the atmosphere; the necessary energy comes from ultraviolet radiation in raw sunlight. A much smaller amount of ozone is produced in the lower atmosphere by the action of electric arcs (sparks) on oxygen. This production of small quantities of ozone is what gives electric sparks their characteristic smell.
Does the ozone in the stratosphere filter out much of the harmful ultraviolet radiation from the sun?
Yes,it does. That is the main property and use of ozone layer.
How the ozone layer reduces the amount of ultraviolet radiation that reaches earth's surface?
The ozone layer acts as a shield in the Earth's atmosphere, absorbing much of the incoming ultraviolet (UV) radiation from the sun. This is due to the presence of ozone molecules, which have a natural ability to absorb UV radiation. By absorbing and scattering UV rays, the ozone layer prevents much of the harmful UV radiation from reaching the Earth's surface, protecting living organisms.
What molecule is made up of three atoms of oxygen?
You must be thinking of ozone or trioxygen (O3). It is a triatomic molecule, consisting of three oxygen atoms. It is an allotrope of oxygen that is much less stable than the diatomic O2. Ground-level ozone is an air pollutant with harmful effects on the respiratory systems of animals. The ozone layer in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth's surface. It is present in low concentrations throughout the Earth's atmosphere.
Where is most ultraviolet radiation absorbed?
Most ultraviolet radiation is absorbed by the ozone layer in the Earth's stratosphere. This layer of ozone helps to protect life on Earth by absorbing and filtering out much of the harmful ultraviolet radiation from the sun before it reaches the surface.
What is significance of ozone layer in atmosphere?
The ozone layer is of very much significance in the atmosphere. It blocks the ultraviolet radiations of sun and acts as a shield for earth.
What happens in the ozone layer?
Oxygen molecules are being separated by ultraviolet (UV-C and more energetic) radiation from the sun, causing the energy to be absorbed and dispersed. The free atoms then react with other oxygen molecules to form ozone; this reaction is in a rough equilibrium. Sooner or later, the oxygen atom/ozone react to reform the original oxygen molecules. The ozone absorbs UV-B and more energetic radiation, and breaks apart to form oxygen again. Ozone also absorbs and reradiates a narrow band of blue visible light, and much of the far infrared... which is why it too is a greenhouse gas. It does not break apart when it does this, however.
