What is destroying the ozone layer?

What is destroying the ozone layer?

The destruction of the ozone layer is caused by gases, above all the fluorine-chlorine-hydrocarbons (CFCs), which were mainly used as coolants. CFCs are organic compounds in which hydrogen atoms have been replaced by fluorine and chlorine atoms.

What is the role of ozone in the stratosphere?

The ozone in the stratosphere is of elementary importance for life on earth. Due to the absorption of short-wave and long-wave radiation, the stratospheric ozone also has an important influence on the vertical temperature distribution.

Can the ozone layer still be saved?

Experts estimated that the ozone layer will have fully recovered by the middle of the century.

Why is the ozone hole getting bigger and bigger?

NASA named natural fluctuations due to unusually high stratospheric temperatures over the Antarctic as the cause of this small extent. This reduced the formation of clouds over the Antarctic, which favors the thinning of the ozone layer.

Why is the ozone hole so dangerous?

High up in the stratosphere, the ozone layer protects us from harmful UV rays. But the ozone layer has got dangerously large holes. The reason for this are chemical substances that humans have blown into the atmosphere. The greatest enemy of ozone is chlorofluorocarbons, or CFCs for short.

Where is the ozone layer particularly damaged?

As a result of the ozone hole, the risk of developing skin cancer in the affected areas in the southern hemisphere has risen sharply. The people in Australia and New Zealand are particularly affected.

Where is the largest hole in the ozone layer?

The ozone hole over the Antarctic on September 24th, 2003. At 28 million km2, the ozone hole (i.e. the area over which the total amount of ozone was below 220 DU) was almost twice as large as the Antarctic. The mean global ozone depletion since the late 1970s of approx.

What can we do to preserve the ozone layer?

There are some practical things you can do to protect the ozone layer: Make sure that old refrigerators and air conditioners are safely disposed of by taking them to the recycling center. Make sure that the cooling circuit, which contains the ozone-depleting substance, is not damaged.

What is the ozone hole simply explained?

The ozone layer is an area of ​​increased concentration of the trace gas ozone (O3) in the earth’s atmosphere, mainly in the lower stratosphere. It is created there from the oxygen in the air, as its O2 molecules are split into oxygen atoms by the most energetic fraction of sunlight (UV-C).

What is an ozone layer explained to children?

Because the ozone is concentrated in the stratosphere, a layer forms here: the ozone layer. This blocks a large part of the sun’s rays and prevents too much ultraviolet radiation from reaching the earth.

What is CFC?

1 Properties and use These are generally halogenated hydrocarbons (halons), of which CFCs (fluorine-chloro-hydrocarbons), in English CFC (chloro-fluoro-carbons), are a subgroup. At the same time, however, these also act as greenhouse gases.

What is ozone?

From a chemical point of view, ozone is a compound that consists of three oxygen atoms (O3), in contrast to the diatomic “molecular” oxygen (O2) required in the living organism. It arises from molecular and atomic oxygen.

Is Ozone Good Or Bad?

Of course there is no such thing as “good” or “bad” ozone. But: Depending on the air layer in which ozone is located, it is useful or harmful for people and the environment. Ozone at altitudes of 12 to 50 kilometers filters the ultraviolet radiation from sunlight and thus protects people from sunburn.

What makes ozone after the name?

It consists of three oxygen atoms. Inhaled as a gas in high concentrations, it can be dangerous. Ozone was discovered in 1840. It got its name from the Greek word “ozein”, which means “smell” in German.

What is ozone chemically?

Trioxygen

Is Ozone a Radical?

Like ozone, free radicals, the most important of which are hydroxyl (OH), nitroxyl (NO) and chlorine (Cl) and bromine (Br) atoms, catalyze the recombination. This reduces the amount of ozone in the stratosphere.

Is Ozone a Gas?

Ozone is a bluish gas with a boiling point of -112 oC. At atmospheric pressure, ozone can partially dissolve in water. At standard temperature and pressure, the solubility of ozone is thirteen times that of oxygen.

How does an ozone generator work?

An ozone generator, which uses electrolysis to generate ozone, splits water molecules into H2, O2 and O3 with the help of an applied voltage. The hydrogen gas produced is removed after the fission process, only oxygen and ozone remain.

What can an ozone generator do?

Accordingly, ozone generators are used for the targeted generation of larger quantities of ozone in order to eliminate odors. In professional use, ozone generators are z. The oxidizing effect of the ozone converts odorous substances into odorless substances.

What does ozone do in water?

The ozone – dissolved in the water – is distributed in the pipe system and has a disinfecting effect there. Because ozone kills bacteria. “What is new about the cells is the extreme miniaturization.