Parts per million (ppm)
When a solute is present in very small amounts, its concentration is expressed in parts per million. It is defined as the amount of the solute present in one million parts of the solution...
The bar graph shows the exports of some of the leading commodities of ..
The bar graph shows the exports of some of the leading commodities of U.S. Which commodity is exported more than $7,000 million? => Airplanes or Airplane parts or ADP equipment or ADP equipment and Airplane parts..
Galaxy
The sun and all the stars that we see are part of our Galaxy. A galaxy is a congregation of millions or billions of stars held together by gravity. Apart from the stars, a galaxy also contains dust and hydrogen gas. Galaxies are the building blocks of this universe. There ..
Night Soil
Human excreta mixed with soil is called night soil. Open latrines in the villages and some parts of cities are the source of this pollution. These contain disease-causing germs which can spread the disease. It is estimated that millions of children worldwide die before they rea..
SOLUTIONS
Definitions of solute and solvent The dissolving process as a result of random molecular motion Temperature, pressure, and surface area - their affect the dissolving process Concentration of a solute in terms of grams per liter, molarity, parts per million and percent co..
SOLUTIONS
Definitions of solute and solvent The dissolving process as a result of random molecular motion Temperature, pressure, and surface area - their affect the dissolving process Concentration of a solute in terms of grams per liter, molarity, parts per million and percent co..
Uses - Fluorine
Uses - Fluorine - 1. It is mainly used for the manufacture of UF 6 for nuclear power generation. 2. It is also used for the preparation of many fluorinating agents. The important organic chemicals derived from HF are the chlorofluorocarbons and polytetrafluoroethylene (teflon). Chlorofluorocarbons ..
Uses - Fluorine
1. It is mainly used for the manufacture of UF 6 for nuclear power generation. 2. It is also used for the preparation of many fluorinating agents. The important organic chemicals derived from HF are the chlorofluorocarbons and polytetrafluoroethylene (teflon). Chlorofluorocarbons known ..
Global Environmental Changes Introduction
. Earth's atmosphere in its present form, is evolved and even now being influenced by earth's movement on its axis as well as sunlight. These two parameters decide what type of atmosphere we have now - its composition as well as the total height of atmospheric cover around the earth. Such an atmosp..
Sewage and other oxygen-demanding waste
. If, however, the amount of sewage and other wastes are heavy, then the dissolved oxygen (DO) is insufficient and oxidation of organic matter is incomplete. Incomplete oxidation results in the formation of amines, ethane, H 2 S, etc., which produce wormy smell. It also depletes the dissolved oxyge..
Result
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