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Free chlorine gas combines with other elements and compounds to kill living cells. That's why it is used as an anti-bacterial agent for surfaces and Swimming Pools. It was one of several gas weapons used in World War I.

As a potent chemical reactant, it is widely used in bleach (sodium hypochorite) to remove organic stains, as from dirt or grass. In forming dilute hydrochloric acid, it frees oxygen that attacks the pigments, so it will also remove colors.

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What is chlorines mass number?

Chlorine's mass number is 35.5. This is an average value due to the presence of two isotopes of chlorine, chlorine-35 and chlorine-37, in nature.


What is free chlorine in a pool?

Free Chlorine is the Chlorine which is free to do its work in the pool, as opposed to Combined Chlorine which is chlorine that has combined with contaminants and is tied up and ineffective as a sanitizer in the pool. Sometimes you will see it abbreviated as FAC, which stands for Free Available Chlorine.


What do you do when your total chlorine is high and your free chlorine is low?

Total Chlorine = Free Chlorine + Combined Chlorineor, put another wayTotal Chlorine - Free Chlorine = Combined ChlorineFree Chlorine is the chlorine that is doing its job.Combined Chlorine is the chlorine that has combined with contaminants such as nitrogen. It is ineffective as a sanitizer and it is noxious.Total Chlorine is the total of these two levels.To eliminate the Combined Chlorine (making all the chlorine in the pool Free Chlorine) you must shock the pool to remove the contaminants. You must reach "Breakpoint Chlorination", which is the addition of chlorine to your pool equivalent to the Combined Chlorine level times 10.example:Total Chlorine = 1.5ppmFree Chlorine = 1.0ppmSo, the Combined Chlorine (the difference between the two tests) is .5ppmBreakpoint chlorination, in this example would be .5ppm X 10 = 5ppm. So, in this example, you would add enough chlorine to your pool to raise the chlorine level up by 5 parts per million.


What is the name of the covalent compound ClF3?

ClF5 Is the formula for Chlorine pentaflouride.


How do you get high free chlorine to match total chlorine?

Total Chlorine = Free Chlorine + Combined Chlorineor, put another wayTotal Chlorine - Free Chlorine = Combined ChlorineFree Chlorine is the chlorine that is doing its job.Combined Chlorine is the chlorine that has combined with contaminants such as nitrogen. It is ineffective as a sanitizer and it is noxious.Total Chlorine is the total of these two levels.To eliminate the Combined Chlorine (making all the chlorine in the pool Free Chlorine) you must shock the pool to remove the contaminants. You must reach "Breakpoint Chlorination", which is the addition of chlorine to your pool equivalent to the Combined Chlorine level times 10.example:Total Chlorine = 1.5ppmFree Chlorine = 1.0ppmSo, the Combined Chlorine (the difference between the two tests) is .5ppmBreakpoint chlorination, in this example would be .5ppm X 10 = 5ppm. So, in this example, you would add enough chlorine to your pool to raise the chlorine level up by 5 parts per million.

Related Questions

What element's atomic mass is 35.453?

The element with an atomic mass of 35.453 is chlorine. It is a halogen and has the atomic number 17.


How many chlorine has isotopes?

Chlorine has a lot of different isotopes but the 2 stable ones are chlorine 35 and chlorine 37


What atoms are in chlorine?

Chlorine (Cl) atoms make up the element chlorine.


What halogen is in table salt?

Chlorine


Is there chlorine in chlorine dioxide?

Chlorine dioxide is a different chemical compound from chlorine. While they both contain the element chlorine, there is no chlorine in the form of Cl2 in chlorine dioxide. Chlorine dioxide (ClO2) is a strong oxidizing agent used for water treatment and disinfection.


What is the name for Cl2 in chemistry?

Cl2 is chlorine. Chlorine exists as a diatomic molecule.


What is chlorines mass number?

Chlorine's mass number is 35.5. This is an average value due to the presence of two isotopes of chlorine, chlorine-35 and chlorine-37, in nature.


What is the difference between a chlorine atom and a chlorine molecule?

A chlorine atom is a single chlorine atom with the chemical symbol Cl. A chlorine molecule is composed of two chlorine atoms bonded together, forming Cl2. Chlorine atoms are highly reactive, while chlorine molecules are more stable.


Why chlorine is called chlorine?

Chlorine is called chlorine because it is from the greek word chloros which means "lime-green gas"


What chemical is in chlorine?

There is no other substance in chlorine except chlorine, which is an elementary substance.


What is the symbol for chlorine atom?

Chlorine is Cl.


Why is chlorine a protron?

Chlorine is not a proton. there are however protons in the nuclus of the chlorine atom.