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Ozone or trioxygen (O3) is a triatomic molecule, consisting of three oxygen atoms. It is an allotrope of oxygen that is much less stable than the diatomic O2. Ground-level ozone is an air pollutant with harmful effects on the respiratory systems of animals. The ozone layer in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth's surface. It is present in low concentrations throughout the Earth's atmosphere. It has many industrial and consumer applications.

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Wikipedia About Ozone

Ozone or trioxygen (O3) is a triatomic molecule, consisting of three oxygen atoms. It is an allotrope of oxygen that is much less stable than the diatomic O2. Ground-level ozone is an air pollutant with harmful effects on the respiratory systems of animals. The ozone layer in the upper atmosphere filters potentially damaging ultraviolet light from reaching the Earth's surface. It is present in low concentrations throughout the Earth's atmosphere. It has many industrial and consumer applications.

Ozone, the first allotrope of a chemical element to be recognized by science, was proposed as a distinct chemical compound by Christian Friedrich Schönbein in 1840, who named it after the Greek verb ozein (ὄζειν, "to smell"), from the peculiar odor in lightning storms. The formula for ozone, O3, was not determined until 1865 by Jacques-Louis Soret and confirmed by Schönbein in 1867.

Physical properties

Most people can detect about 0.01 ppm in air. Exposure of 0.1 to 1 ppm produces headaches, burning eyes, and irritation to the respiratory passages.

At -112 °C, it forms a dark blue liquid. At temperatures below -193 °C, it forms a violet-black solid.

Ozone is diamagnetic, meaning that it will resist formation of a magnetic field and will decrease the energy stored in the field once the field is established.

Structure

The structure of ozone, according to experimental evidence from microwave spectroscopy, is bent, with C2v symmetry (similar to the water molecule), O – O distance of 127.2 pm and O – O – O angle of 116.78°. The central atom forms an sp² hybridization with one lone pair. Ozone is a polar molecule with a dipole moment of 0.5337 D. The bonding can be expressed as a resonance hybrid with a single bond on one side and double bond on the other producing an overall bond order of 1.5 for each side.

Chemistry

Ozone is a powerful oxidizing agent, far better than dioxygen. It is also unstable at high concentrations, decaying to ordinary diatomic oxygen (in about half an hour in atmospheric conditions):

2 O3 → 3 O2

This reaction proceeds more rapidly with increasing temperature and decreasing pressure. Deflagration of ozone can be triggered by a spark, and can occur in ozone concentrations of 10 wt%

Metals

Ozone will oxidize metals (except gold, platinum, and iridium) to oxides of the metals in their highest oxidation state:

2 Cu+ (aq) + 2 H3O+ (aq) + O3 (g) → 2 Cu2+ (aq) + 3 H2O (l) + O2 (g)

Non-metals

Ozone also increases the oxidation number of oxides, such as the oxidation of nitric oxide to nitrogen dioxide:

NO + O3 → NO2 + O2

Search results for Ozone

OZONE: Our Walls - v1.01

Resources and Inspiration for Dynamic HTML Developers and Graphics Designers, Demos and ... ©1994-2008 by Doctor Thaddeus Ozone, all rights reserved ...www.ozones.com/

ozone: Definition from Answers.com

ozone ( ) n. An unstable, poisonous allotrope of oxygen, O 3 , that is formed naturally in the ozone layer from atmospheric oxygen by electricwww.answers.com/topic/ozone

HowStuffWorks "How Ozone Pollution Works"

Find out about ozone, how it affects you and what you can do about it. ... In this upper atmosphere, ozone is made when ultraviolet light from the sun ...www.howstuffworks.com/ozone-pollution.htm

Ozone Generators that are Sold as Air Cleaners | Publications | Indoor ...

Ozone generators that are sold as air cleaners intentionally produce the gas ozone. ... Are ozone generators effective in controlling indoor air pollution? ...www.epa.gov/iaq/pubs/ozonegen.html

: Weather Underground

An Ozone Action Day is declared when weather conditions are likely to combine ... businesses should take action to reduce emissions of ozone-causing pollutants. ...www.wunderground.com/health/ozone.asp

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News about Ozone

EPA says New England had fewer bad air days this summer

Republican-AmericanMONTPELIER, Vt. (AP) — The U.S. Environmental Protection Agency says people in New England states breathed easier this summer, with fewer "unhealthy ozone" days than in 2007 — unless you were in Vermont.http://rep-am.com/articles/2008/10/03/news/367685.txt

Hollywood South makes an appearance

St. Tammany NewsHollywood South meets the Ozone Film Festival this weekend in downtown Covington.http://www.thesttammanynews.com/articles/2008/10/03/news/doc...

EPA delays Houston's deadline for clean air to 2019

Houston ChronicleHouston's persistent smog problem is worse than bad. It's severe. And at the request of Gov. Rick Perry, the U.S. Environmental Protection Agency on Wednesday granted the eight-county Houston region an extra nine years to meet federal health standards for smog-forming ozone. http://www.chron.com/disp/story.mpl/chronicle/6035328.html

Pricing mortgage-backed securities will be tough

USA TodaySome things are easy to price. Others, not so much. And that's the $700 billion problem facing the U.S. Treasury: how to value vast amounts of mortgage-backed securities that no one wants to buy.http://www.usatoday.com/money/industries/banking/2008-09-23-...

3M Strengthens Respirator Range With New Particulate Respirator With Nuisance Level Organic Vapour And Ozone Relief

Medical News TodayDiversified technology company 3M is delighted to announce the launch of its new speciality product, the 9922 FFP2 Particulate Respirator. The latest addition to 3M's comprehensive range of maintenance free respirators provides comfortable protection against fine dusts and oil and water-based mists.http://www.medicalnewstoday.com/articles/123643.php

News about Ozone

DDA gets city approval to buy property near marina

Escanaba Daily PressApproved combining its two water plant compliance projects, Phase I (chemical treatment process) and Phase 2 (ozone) into one project to save on engineering and construction costs. Presented retired City Recreation Director Judi Zerilli with a plaque ... http://www.dailypress.net/page/content.detail/id/512389.html...

Magnets attract researchers for cooling talk

KWWLResearchers from the lab and around the world have been working on technology that combines rare earth alloys and magnetic fields to replace ozone depleting gases used to keep things cool. The potential uses for magnetic refrigeration are wide-ranging ... http://www.kwwl.com/Global/story.asp?S=10347274&nav=menu82_2

Column: Don't count on Obama or his administration for a cleaner ...

U-Wire.comFortunately for us, The White House was recently presented with the Montreal Protocol, a 21-year-old treaty developed to regulate ozone-depleting substances. The only problem is, the Obama administration declined to sign it, reasoning that immediate ... http://www.uwire.com/Article.aspx?id=4083224

Approval and Promulgation of Implementation Plans; New Jersey Ozone ...

TMCnetMay 08, 2009 (FIND, Inc. via COMTEX) -- SUMMARY: The Environmental Protection Agency (EPA) is proposing action on the ozone attainment demonstration portion of a comprehensive State Implementation Plan revision submitted by New Jersey to meet Clean ... http://www.tmcnet.com/usubmit/-approval-promulgation-impleme...

Coweta gets 'F' for ozone pollution

Newnan Times-HeraldCoweta County has received an "F" on a report card issued by the American Lung Association for ozone pollution. In its "State of the Air 2009 report," the American Lung Association ranks cities and counties most affected by widespread ozone and ... http://www.times-herald.com/local/Coweta-gets-F-for-ozone-po...

Search results for Ozone

Ozone generator systems

ozone generator information with links to generators en injection systemshttp://www.lenntech.com/ozone.htm

Frequent Questions | 8-Hour Ground-level Ozone Designations | US EPA

Frequent Questions. Answers to the following questions can be found by scrolling down or by clicking on the question of interest. If you need further information, please use the ... http://www.epa.gov/ozonedesignations/faq.htm

Ohio State Football, Basketball, Hockey, Baseball, Wrestling, Softball ...

The Ozone, The Buckeye Fans source of timely Ohio State Football, Basketball, Hockey and Baseball information, statistics, rosters, and commentary. fan reactions, recruiting ... http://www.the-ozone.net/

ozone definition | Dictionary.com

Copy & paste this link to your blog or website to reference this pagehttp://dictionary.reference.com/browse/ozone

ozone definition of ozone in the Free Online Encyclopedia.

ozone (ō`zōn), an allotropic form of the chemical element oxygen oxygen, gaseous chemical element; symbol O; at. no. 8; at. wt. 15.9994; m.p. −218.4°C;; b.p. −182.962°C ... http://encyclopedia2.thefreedictionary.com/ozone

Wikipedia results for Ozone

Ozone - Wikipedia, the free encyclopedia

Ozone or trioxygen (O 3) is a triatomic molecule, consisting of three oxygen atoms. It is an allotrope of oxygen that is much less stable than the diatomic O 2.http://en.wikipedia.org/wiki/Ozone

Ozone depletion - Wikipedia, the free encyclopedia

Ozone depletion describes two distinct, but related observations: a slow, steady decline of about 4 percent per decade in the total volume of ozone in Earth's stratosphere (ozone ... http://en.wikipedia.org/wiki/Ozone_depleting_substance

Ozone layer - Wikipedia, the free encyclopedia

The ozone layer is a layer in Earth's atmosphere which contains relatively high concentrations of ozone (O 3). This layer absorbs 93-99% of the sun 's high frequency ultraviolet ... http://en.wikipedia.org/wiki/Ozone_layer

Ozone Park, Queens - Wikipedia, the free encyclopedia

Ozone Park is a middle class neighborhood located in the southwestern [1] section of the New York City borough of Queens bordering Woodhaven, Richmond Hill, Howard Beach. [2]http://en.wikipedia.org/wiki/Ozone_Park,_Queens

Ozone cracking - Wikipedia, the free encyclopedia

Cracks can be formed in many different elastomers by ozone attack, and the characteristic form of attack of vulnerable rubbers is known as ozone cracking.http://en.wikipedia.org/wiki/Ozone_cracking
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O-zone"Numa-numa"

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Sci-Tech: Protecting the ozone laye...

Sci-Tech: Protecting the ozone layer(NECN) - In Sci-Tech Today, protecting the ozone layer that protects us here on earth. What's been the impact of banning products containing CFC's. David Sittenfeld joins us from...Flash - Video

O-Zone - Dragostea Din Tei

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Ozone Bullet - Speedriding

Ozone Bullet - SpeedridingMatt Gerdes as 007, skier, pilot. Sandie Cochepain as "La Femme Fatale." Le Blues as "Les Mechants", Perrine Chauvin as lead snowboarder. Directed by Guillaume Broust. Camera by...MPEG 4 - Video

Study: Ozone Pollution Is Most Dang...

Study: Ozone Pollution Is Most Dangerous In L.A.Researchers have found that ozone pollution increases the risk of death from respiratory diseases by at least 40 percent in Los Angeles and Riverside. Kent Shocknek reports.Windows Media - Video

Answers for Ozone

flowerpower1354The presence of ozone in the upper atmosphere is important because?flowerpower1354B) ozone blocks solar radiation, which is why we need ozone in the atmosphere, or we will all die of radiation.-LaSer-What is the relationship betwwen the ozone layer and the greenhouse gases?-LaSer-The ozone layer and greenhouse gases are not directly related. The ozone layer is an area in the atmosphere where more ozone (also known as O3) compared to regular oxygen (O2) collects. The Ozone ...shiroii_ameWhy not build a long pipe in antarctica and pump ozone into the ozone hole?shiroii_ameCost prohibitive, But why not extract from high ozone cities, and load them on long distance jets and dump them at 37,000 and higher altitude? Again I believe it is cost prohibitive. This is my...riddleWhat would happen if ozone were to disappear from the upper atmosphere? From the lower atmosphere?riddlewe know that ozone prevents us from harmful ultra violet rays. ultra violet (U.V.) rays are proving to be the main cause for the skin cancers. So guess what will happen?Chel_BellWhat is the function of ozone in the atmosphere?Chel_BellWell the ozone u hear about from the weather man is not ozone,it is no2. a fertilizer produced by the high temperature in cars ,but it is produced in nature by lightning. The true ozone is O3 and is v...
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