Letter 11190

Dihydrogen oxide 

 

What is dihydrogen oxide, and what is it used for. If you can help I would appreciate it greatly.

Anderson Dillan
- St. Paul, MN


 

You're joking, aren't you? Write down what the chemical formula of dihydrogen oxide would be - look familiar?

Bill Reynolds
   consultant metallurgist
Ballarat, Victoria, Australia


--  

Dihydrogen oxide is widely used as a fire extinguishing agent. Even more important than that, it is a vital and indispensable solvent for life processes.


Ted Mooney, P.E. 
finishing.com
Brick, New Jersey


--  

Dihydrogen oxide is used extensively in industry for the dilution of waste streams for treatment by the waste treatment system. It is also known to cause incredible erosion into igneous formations.

Dan Brewer
- Gurnee, IL


--  

IT'S WATER.... H2O... DIHYDROGEN IS H2, AND OXIDE IS O... JEEZ ;)

Basel
- LA, CALI


--  

O doesn't exist, it's either O2 or O with a valence of -2, unless it's O3.

Tom Pullizzi
Platronica.com
Falls Township, PA


 

Plasmatic Oxygen is simply O because it's energy state is too high to form any long term chemical bonds. So O exists.

Jon Mayo
- San Jose, CA


 

The chemical symbol for oxygen is 'O' But when written as itself, not part of a chemical bond it is written as O2. This is because there must be 2 oxygen atoms, otherwise they explode when in contact with other air particles, because the outer electron shell is not full. Having 2 oxygen atoms together completes the shell and makes it full. This is year 8 science.

Stephanie S.
- Ballarat, Victoria, Australia


 

It can be fatal when experienced in sufficient quantities under unfortunate circumstances.

Noelle B.
- Chattanooga, TN


 

DiHydrogen Oxide: Formed from an extremely energetic chemical reaction between its constituent elements, producing enough heat to melt most metals, it then becomes a very stable molecule. It's melting point is low, and it's boiling point relatively low, it is nontoxic in moderate quantities, and is used in many manufacturing processes, including food preparation. Extremely effective solvent, can be used for many cleaning purposes, except for some fabrics. Reacts strongly to alkali metals, releasing Hydrogen in the process, producing an explosive gas.

Wayne Blackburn
Computer Support - Cincinnati, OH, USA


 

A common myth about Dihydrogen Monoxide is that it is poisonous and it should be avoided, although is is a very bad idea to believe. Con artists trick normal peoples minds to believe that Dihydrogen Monoxide is bad; although, when you think about is clearly the prefix di means 2, and the chemical symbol for Hydrogen is H. Now we got H2. The prefix mon means 1 and oxide is a word for oxygen; therefore, we add all these symbols together we get H2O which is of course water. Now we should realize that this is a bad trick that must be nipped in the bud. Thanks for your time.

Colin Trundle
- Alexandria, KY, USA


 

By the way O2 exists in nature as O2 for the exact reason that it will not constantly react and cause explosion, this already happened in the formation of earth. But in reality oxygen is actually O. The Oxygen we breath is O2 and the oxygen in the ozone layer is O3. But oxygen it self is just O.

Rafi Matta
- Mississauga, Ontario, Canada


 

Dihydrogen oxide is water and it hurts... yes it does if I were to throw an ice cube at you it would hurt wouldn't it?? If I pour hot water on you I am sure that will also hurt. People water is harmful..

Carlos Arkidzon
- Placentia, CA


 

When you balance the equation dihydrogen oxide you have the H2, which equals +2nd the O that equals -2. That is why the equation is H20. Therefore, monoxide exists in compounds.

Lisa Strunk
- Kingman, AZ


 

There's a difference between water and dihydrogen monoxide. Water is H20 but covalent. Dihydrogen monoxide is ionic. Oxide is O2-, which means it gives two electrons to two hydrogen atoms, then giving 2H+. And we all know what happens in an ionic reaction, so I won't go further. Thus, dihydrogen monoxide is NOT water, but IS H20.

Adam Large
- Los Angeles, CA, USA


 

Water, Water, Water.. is the answer.H2O is the answer. Surely, isn't it at least 60percent that's what we really are. So, that's why we love it, deep inside. O, and U2.

Victor Panebianco
- nsw, in Sydney, Australia


May 1, 2006

Dihydrogen monoxide is not the correct name for the compound with the chemical formula H2O.. AND IS NOT WATER

Dihydrogen monoxide is some laymans obvious attempt to try and fabricate a scientific name for water, but didn't know the basic principles of naming compounds!!

The correct 'scientific' name for water is hydrogen oxide!!

H2O is a 2 element, nonmetal-nonmetal compound and the prefixes mon-, di-, tri-, tetra- etc.. only apply to the second element!!

Like Ca2O is Calcium oxide, not dicalcium oxide!!

H2CO3 is hydrogen carbonate, not dihydrogen carbonate!!

P2O5 is Phosphorus pentoxide, not diphosphorus pentoxide!!!

Mr Williams
- Sydney, Australia


July 16, 2006

Water makes up 80% of our body mass...
H2O...
water
H2O...
water
H2O...
water

Gem Mel
- Sheffield, South Yorkshire, UK


June 7, 2007

H2O. It is just exaggerated over the internet. I think it is just like the "Global Warming" scandal. Politicians just trying to get elected.

Jordan Smith
- Heltersberg, Rheinland-Pfalz, Germany


February 3, 2008

The mono- prefix is often dropped for the second-named element if it is the only common compound the elements form. Thus referring to H2S as hydrogen monosulfide is much rarer than the name hydrogen sulfide. However, since carbon and oxygen can form several compounds (carbon monoxide, carbon dioxide, tricarbon dioxide, and dicarbon monoxide), the mono- prefix is kept, as it is with silicon monoxide and silicon dioxide. Indeed, hydrogen and oxygen do form another common compound, H2O2. Using prefix nomenclature this compound would be called dihydrogen dioxide—also known as hydrogen peroxide. Thus, keeping the mono- in dihydrogen monoxide does serve to distinguish it from another compound.

Tom Milac
- Sierra Vista, AZ


May 19, 2008

Mr. William from Sydney,
you are missing something..
it is dihydrogen monoxide because they are non-metals.
you use prefix in covalent compounds, when non-metals are bonded together..

just thought I could add some note..*^^*
by the way, this is grade 10 science!!

Katarina L
- Toronto, Canada


August 17, 2008

Dihydrogen Oxide/ dihydrogen monoxide is water and is NOT a misnomer, as Mr. Williams from Sydney suggests. Saying that Dihydrogen monoxide should simply be called hydrogen monoxide would be like saying benezene (C6H6) is the same as butyne(C4H6), because although they are definatley different, they should both be called carbon hexahydrogen because you don't put a prefix on the carbon. This is, of course, according to your instructions, Mr. Williams. Please do not confuse people, if I didn't know better, that review would have brought me a failing grade in my class had I read it then. I'm truly sorry if this review rubs against you in the wrong way, I would just like to make sure that undeserved grades are not given because of the would-be-misled students who read your answer and listened to it.

Shelby H
- Wake Forest, North Carolina, USA


August 20, 2008

The people in charge of such conventions note that the important thing is that the terms you use properly convey to the listener what substance you are speaking of. Prefixes like 'di' and 'mono' are added to avoid ambiquity, and usually omitted if there is no likelihood of ambiquity.

The value of clarity easily trumps the very small sin of superfluity or redundancy; so ALL of the terms are correct, as are several others like hydrogen hydroxide and hydroxic acid. The arcane "conventions" that some readers have quoted permit omission of prefixes, they don't demand it.

Regards,


Ted Mooney, P.E. 
finishing.com
Brick, New Jersey


October 9, 2008

Naming Binary molecule follows this role.

The least electronegative atom are name first and the other atom is modify with the suffix -ide . IF the are more than one atom which made up the Least electronegative part of the molecule it is number with Greek numerical prefix.

H2O Di-hydrogen oxide. Note Hydrogen is least electronegative than oxygen

Thus Di-hydrogen oxide is the Systematic nomenclature name for water

Salem Phillip
- La Pastor Santa Cruz, Trinidad


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