Formation and dissociation ozone in the ozone layer
Example 18: The formation of ozone and its dissociation in the atmosphere maintain the oxygen-ozone balance in the ozone layer. Both the reactions occur in the presence of sunlight. The reactions involved are given below: ..
Example 18: The formation of ozone and its dissociation in the atmosphere maintain the oxygen-ozone balance in the ozone layer. Both the reactions occur in the presence of sunlight. The reactions involved are given below: ..Format
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Ozone Layer
As mentioned before, the natural ozone layer of the atmosphere is very significant because it protect us from harmful effects of infrared/U.V. radiations of the sun. The atmosphere consists of different layers namely troposphere, stratosphere, mesosphere and thermosphere. The ro..
Preparation of ozone
When a silent electric discharge is passed through dry oxygen, ozone is formed. Oxygen is never converted into ozone completely and we always obtain a mixture of oxygen and ozone. This mixture is called ozonized oxygen...
When a silent electric discharge is passed through dry oxygen, ozone is formed. Oxygen is never converted into ozone completely and we always obtain a mixture of oxygen and ozone. This mixture is called ozonized oxygen...Heat of Formation or Enthalpy of Formation
The heat evolved or absorbed when 1 mole of a substance is formed from its elements is called heat of formation. It is denoted by D H f . For example, heat of formation of carbon dioxide and methane may be expressed as:..
The heat evolved or absorbed when 1 mole of a substance is formed from its elements is called heat of formation. It is denoted by D H f . For example, heat of formation of carbon dioxide and methane may be expressed as:..Formation of 3 Germinal Layers
Gastrulation is an important dynamic process in the development of the zygote which involves movement of cell masses from the surface of the blastula to their definitive positions in the embryo and their three primary germinal layers i.e., ectoderm, endoderm and mesoderm. These movements are called..
Ozonide formation
Ozonides are addition products, which are formed when unsaturated organic compounds containing double bond react with ozone. The position of the double bond can be located in the original unsaturated molecule by this reaction. This reaction is termed 'ozonolysis..
Ozonides are addition products, which are formed when unsaturated organic compounds containing double bond react with ozone. The position of the double bond can be located in the original unsaturated molecule by this reaction. This reaction is termed 'ozonolysis..Formation of Slag
The quicklime reacts with acidic impurities such as silica (SiO 2 ) and forms a slag which melts and collects above the iron at the bottom of the furnace. Slag is an easily fusible mass having a low melting point..
The quicklime reacts with acidic impurities such as silica (SiO 2 ) and forms a slag which melts and collects above the iron at the bottom of the furnace. Slag is an easily fusible mass having a low melting point..Slag Formation
The impurities like manganese oxide and silicon dioxide formed during the initial stages of the Bessemer process are removed when they react with each to form a slag. Note:- If the cast or pig iron contains phosphorus as an impurity ,the converter should be lined with lime (CaO..
The impurities like manganese oxide and silicon dioxide formed during the initial stages of the Bessemer process are removed when they react with each to form a slag. Note:- If the cast or pig iron contains phosphorus as an impurity ,the converter should be lined with lime (CaO..Formation of carbonates
The carbonates of alkaline Earth metals are prepared by passing carbon dioxide in limited supply, through the solution of their hydroxides. Stability of these carbonates increase down the group. For example, BeCO 3 is least stable while BaCO 3 is the most stable. The solu..
The carbonates of alkaline Earth metals are prepared by passing carbon dioxide in limited supply, through the solution of their hydroxides. Stability of these carbonates increase down the group. For example, BeCO 3 is least stable while BaCO 3 is the most stable. The solu..See what our Users say :
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