Number of results: 91,824
Chemistry Ozone layer
I thought I answered your question. The ozone layer is by far mostly N2 (78%), O2 (21%)and argon (1%), just like the layers below. Ozone is O3. It is present in the ozone layer at a few parts per million only.
Saturday, January 14, 2012 at 7:24am by drwls
science
Refrigeration AC It is responsible for hole in ozone layer. It react with ozone. Ozone layer protect us from uv rays coming from sun.
Wednesday, September 3, 2008 at 9:43pm by William
CHEM
Which answer best describes an O_3/ozone molecule: 1. Each atom in ozone is connected to another atom by 1.5 bonds. 2.The double bond in ozone switches back and forth between the two outer oxygen atoms. 3.An ozone molecule contains one single bond and one double bond. I want ...
Monday, November 26, 2007 at 12:06am by K
chemistry
Hi Anonymous, Truthfully speaking I don't know much about ozone cracking. However, seeing that no one has answered your query for almost two hours, I will try to help. The definition of ozone cracking as stated in Britannica Encyclopedia is as such: "Atmospheric ozone...
Thursday, October 16, 2008 at 7:19am by Joshua
chemistry
hey everyone out there im new to this forum so please be nice. hahaha :D as the subject says this is about ozone cracking. well my friend is doing a research assignment, and shes talking about ozone cracking. she has done your homework and found out that ozone cracking, ...
Thursday, October 16, 2008 at 7:19am by Anonymous
Chemistry Ozone layer
IS The OZONE LAYER made out of Oxygen if so is it 0 O2 and O3
Saturday, January 14, 2012 at 7:24am by Anonymous
chemistry
What are the chemicals that cause ozone depletion. Provide information on their structures, how they are made, and how they react with ozone in the stratosphere. Also describe where these chemicals are found in industry and in household products.
Tuesday, November 24, 2009 at 6:58pm by Dhoni
chemistry - ozone
hi, can anybody tell me the molecules that destroy ozone? i need a fair few molecules to write in my homework...thanks! The main species responsible for destroying ozone in the stratosphere is Cl atoms. Br atoms are also very effective but there aren't many around. ...
Monday, June 26, 2006 at 7:30am by harshini
Engineering
It is found that ozone reaction in water nearly follows first-order kinetics in ozone concentration decreases by 50% in 12 minutes (t1/2 = 12 min). A water supplier wants to inject ozone into a pipe bringing water to thee water treatment plant to pre-disinfect the influent. ...
Monday, September 19, 2011 at 9:37pm by Jimmy
OZONE stuff
When is the Antarctica ozone hole expected to recover almost completely? How do you know this?
Thursday, March 4, 2010 at 1:25pm by ANNE, HELP!!!!!
Chemistry Ozone layer
The ozone layer is so called because that is where most of the atmospheric ozone (O3) resides. It is mostly in the altitude range 15-35 km which is part of the stratosphere. It is typically only a few parts per million of the atmosphere there. It is manufactured at those ...
Saturday, January 14, 2012 at 7:24am by drwls
chemistry
Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps. X NO2 NO O O O2 O3 UV light Ozone ...
Sunday, March 20, 2011 at 12:15pm by Kat
science
Ozone, a gas found in the upper stratosphere and lower mesosphere, would burn our throats if we tried to breathe it. ozone is composed of
Tuesday, August 24, 2010 at 4:05pm by sean
Chemistry 2
Chlorine atoms contribute to the destruction of the earth's ozone layer by the following sequence of reactions: Cl + O3 --> ClO + O2 ClO + O --> Cl + O2 Where the O atoms in the second step come from the decomposition of ozone by sunlight: O3 --> O + ...
Thursday, June 28, 2012 at 2:28am by Robert
CHEMISTRY
The atmosphere contains about 6.8×1013 moles of ozone. If this amount of ozone gas is compressed into a thin layer around the globe (the radius of Earth is 6370 km) at STP (Standard Temperature (0°C) and Pressure (1.0 atm.)), how thick will the layer be in millimeter...
Friday, March 5, 2010 at 3:10pm by HELP!!!!!
CHEMISTRY
When air pollution is high, ozone (O3) contents can reach 0.60 ppm (ie., .60 mol ozone per million mol air). How many molecules of ozone are present per liter of polluted air if the barometric pressure is 755 mm Hg and the temperature is 79 degrees F? I converted temperature ...
Thursday, January 4, 2007 at 5:18pm by Dave
Science
I don't know that ozone has an effect on wind patterns. Wind patterns affect ozone that is formed near the surface. Here is a site that may be of interest to you. You will need to scroll through the material about half way to fine how meterology affects ozone levels. http...
Tuesday, January 22, 2008 at 8:23pm by DrBob222
Chemistry Ozone layer
what is the ozone layer made out of because on differnt websites it says different things and i thought it was made out of the three types of oxygen O2 O3 and i dont know the last one but on other things it says differnt please help me
Saturday, January 14, 2012 at 7:24am by Anonymous
science
The thinning of the ozone layer does not protect your health, it endangers your health. Google "ozone layer" to find out why.
Monday, January 30, 2012 at 7:10pm by PsyDAG
science
Charlotte, I would go careful here with Amethysts's explanation. There are two effects that ozone has on the Earth as a result of being in the atmosphere. Effect 1. Ozone absorbs ultra violet light. Ultra violet light is divided up into UVA, UVB and UVC. "UV-B" ...
Sunday, May 11, 2008 at 9:56pm by Dr Russ
science
1. Force exerted on an area is called _____. (1 point) pressure temperature gravity mass 2. The composition of the atmosphere is changing due to _____. (1 point) smog ozone depletion increase in CO2 (carbon dioxide) all of the above 3. The _____ is the layer of the atmosphere ...
Wednesday, September 26, 2012 at 7:15pm by Delilah
Chemistry
how many moles of ozone does the atmosphere hold?
Sunday, November 21, 2010 at 10:02pm by Ben
AP Chemistry
O3---ozone. this is definitely the right answer
Sunday, August 8, 2010 at 9:17pm by Anonymous
AP Chemistry
O3---ozone. this is definitely the right answer
Sunday, August 8, 2010 at 9:17pm by Anonymous
Chemistry
why not #4? that has two resonance structures and it is isoelectronic to ozone which is diamagnetic.
Sunday, October 25, 2009 at 5:22pm by Dave
chemistry
What is the chemical composition of ozone, carbon dioxide, salt and water
Monday, November 17, 2008 at 8:47pm by Louis
chemistry
Here are some online articles on ozone and ozone de[pletion: http://www.biospherical.com/nsf/student/page2.html http://www.ucar.edu/learn/1_6_1.htm http://www.geocities.com/univ113/ http://www.nas.nasa.gov/About/Education/Ozone/chemistry.html http://www.atmosphere.mpg.de/enid/...
Tuesday, August 11, 2009 at 8:08pm by GK
AP Chemistry
What effect would a catalyst have on the rate of reaction for the decomposition of ozone?
Thursday, October 11, 2012 at 3:19pm by Corneil
Chemistry
True or false? 1 mole of ozone has 1.8 x 10^24 atoms? correct if wrong THANK YOU!
Sunday, November 13, 2011 at 7:01pm by Matt
chemistry
hi can someone please help me I need a detailed scientific article about ozone depletion thank you
Tuesday, August 11, 2009 at 8:08pm by bill
chemistry
I have absolutely no clue how to approach this question please help. The destruction of the ozone layer is an issue that is being discussed all around the world. Freons, or chlorinated hydrocarbon molecules, are very stable on the ground, but in the upper atmosphere, ...
Thursday, February 25, 2010 at 4:06pm by tina
science
does anyone know what the effects of low level ozone is on animals and plants? Moderate to high levels of ozone causes respiratory problems in animals. it also slowly kills trees. This can be seen in portions of the San Bernardino Mountains affected by Los Angeles Basin smog. ...
Sunday, September 10, 2006 at 7:51am by Eliza
Chemistry 105
Ozone is depleted in the stratosphere by chlorine from CF3Cl according to the following set of equations: CF3Cl+UV light-->CF3+Cl Cl+O3-->ClO+O2 O3+UV light-->O2+O ClO+O-->Cl+O2 What total volume of ozone measured at a pressure of 22.0 mmHg and a ...
Sunday, October 23, 2011 at 5:43pm by JULIE
Biology
29. CFCs are a problem because they a. have been released in large quantities in the past b. break down to reactive free chlorine atoms c. attack ozone molecules in the upper atmosphere d. all of the above D? 10. Ozone depletion in the atmosphere a. leads to the formation of ...
Tuesday, February 16, 2010 at 7:13pm by mysterychicken
AP Chemistry
depends on the catalyst, but the most common such are halogen compounds, which increase the rate of ozone depletion.
Thursday, October 11, 2012 at 3:19pm by Steve
chemistry
Ozone is O3. Carbon dioxide is CO2. There are thousands of salts. If you mean table salt, it is NaCl. Water is H2O.
Monday, November 17, 2008 at 8:47pm by DrBob222
Physics
A 32-u oxygen molecule (O2) moving in the +x direction at 580 m/s collides with an oxygen atom (mass 16 u) moving at 870 m/s at 27 degrees to the x axis. The particles stick together to form an ozone molecule. Find the velocity of the ozone. Express your answer in terms of the...
Monday, April 13, 2009 at 11:24pm by Jacob
chemistry
Two articles. Remember not to copy word for word and to give credit for the information's source(s). http://en.wikipedia.org/wiki/Ozone_depletion http://www.epa.gov/ozone/
Tuesday, August 11, 2009 at 8:08pm by DrBob222
chemistry
three compounds A,B and C all have the formula C5H8. All three compounds will decolorize bromine in CCl4. Compound A reacts with NaNH2. Compounds A and B both yield pentane when they are treated with excess H2 with the pt catalyst. Under the same conditions C absorbs only 1 ...
Tuesday, June 7, 2011 at 2:34pm by alli
social studies
This easily researched and summarized with a search engine. You should do this yourself. You seen to be adept at the use of computers for research purposes. Yes, there is an Antarctic ozone hole, but there is now evidence that it is getting less severe since the implementation...
Sunday, November 23, 2008 at 6:59am by drwls
CHEMISTRY
C12H20(Y)--> 22CH2=O+ 2CH3C(=O)CH2C(=O)CH3 The reagents used are ozone, Zn and H20 Give condensed formula of C12H20Y
Monday, November 12, 2007 at 3:59pm by Delli
Chemistry Ozone layer
i know about cfc's thanks but i wanted to know what it is made out of not about the ultra violet radiation i know abou that too
Saturday, January 14, 2012 at 7:24am by Anonymous
Biology
One reason is oxygen, or its absence. IF molecular oxygen was present in the prebiotic atmosphere - even at levels far less than are present today - then the formation of complex organic molecules would have been thwarted due to the thermodynamic spontaneity of combustion. So ...
Wednesday, February 3, 2010 at 9:54pm by Anonymous
Chemistry
Explain why different ozone depleting substances differ in terms of the length of time that elapses between their emission to the atmosphere and their release if catalytically active chlorine.
Sunday, February 6, 2011 at 6:18pm by Cassie
literacy
no voice? Written without personality, without feeling, without dialogue. Here is an example: <<The first 40 to 50 mi (64-80 km) above the earth contains 99% of the total mass of the earth's atmosphere and is generally of a uniform composition, except for a ...
Saturday, October 30, 2010 at 8:33pm by bobpursley
chemistry
Example;-Oxygen exists as two gaseous allotropes,'normal oxygen(O2)and (Ozone(O3),which differ in their molecular configurations.
Sunday, August 21, 2011 at 12:17am by M.Gayatry
Integrated Physics and Chemistry
Some refrigerants used in air conditioners have been associated with... A)smog B)destruction of the ozone layer C)thermal pollution D)power failures
Thursday, April 21, 2011 at 10:06am by Ashley!!
Integrated Physics and Chemistry
Some refrigerants used in air conditioners have been associated with.. A)somg B)destruction of the ozone layer C)thermal pollution D)power failures
Monday, April 18, 2011 at 10:26am by Ashley
science
ozone is a natural cushion between the atmosphere and the earth, it protects us from very strong sunlight. as our ozone becomes depleted from pollution, which break down that protective layer, we then begin getting holes in our ozone. because of the holes, stronger and ...
Sunday, May 11, 2008 at 9:56pm by amethyst
Engineering
Compute the average velocity of the water flowing in the pipe. Get this from the relation Q = A * V where Q is the volume flow rate and A is the cross sectional area. I recommend that you convert Q from gallons/min to ft^3/min, to get a flow velocity in ft/s. The time it takes...
Monday, September 19, 2011 at 9:37pm by drwls
Chemistry
How many milliliters of ozone gas at at 25.0°C and 1.00 atm pressure are needed to react with 45.00 mL of a 0.300 M aqueous solution of KI
Wednesday, October 31, 2012 at 9:23pm by Anonymous
Science
I do not know what your word "grievuing" is supposed to mean. There are both O2 and O3 in the atmosphere. O3 (ozone) is present at very high altitudes (10-40 km) where is is produced by sunlight but simultaneosly depleted by chemical reactions involving byproducts of...
Saturday, March 16, 2013 at 11:23pm by drwls
Science
Focusing on your 3rd question, try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=what+would+happen+if+ozone+disappeared Sra
Saturday, October 29, 2011 at 10:14pm by SraJMcGin
chemistry
You are looking for a long a detailed paper on environmental factors that may cause ozone depletion. What length? I can give you some sites for information but no one on this site will write your paper for you.
Tuesday, November 24, 2009 at 6:58pm by DrBob222
chem
Can somebody help me please??? Ozone, O3 has a O-O-O connectivity. 1. Draw a lewis structure for ozone 2. Calculate the formal charge for each oxygen of ozone 3. Describe the shape of ozone http://coolspace.gsfc.nasa.gov/hawaii/lessons/introducing_ozone1.htm http://dbhs.wvusd....
Thursday, September 1, 2005 at 9:19pm by Nisar
science
http://earth.rice.edu/mtpe/atmo/atmosphere/topics/ozone/o3_creat.html
Wednesday, September 29, 2010 at 7:49pm by Ms. Sue
Chemistry
I need help on how to calculate the following please: Calculate the risk assesment of the amount of the ozone in the air between the hours of 4pm and 6pm where I live(Corpus Christi,Texas)
Saturday, August 27, 2011 at 10:44pm by Jelly
Chemistry
The standard enthalphies of formation of ozone, O3(g), and oxygen atoms are +142.70 and +249.17 kJ/mol. Calculate the reaction enthalpy for 2O2(g)-->O3(g)+O(g)
Saturday, October 20, 2012 at 11:16pm by Sam
chemistry
The ozone layer is not cracking it is simply getting thinner nor is there a hole it is just getting thinner due to the CFC's and carbon dioxide
Thursday, October 16, 2008 at 7:19am by Anonymous
Physical Science
Try some of the following link for information: http://search.yahoo.com/search?fr=mcafee&p=how+the+ozone+layer+causes+global+warming Sra
Monday, June 7, 2010 at 8:01am by SraJMcGin
science
Since this is not my area of expertise, I searched Google under the key words "when ozone layer formed" to get these possible sources: http://www.google.com/search?client=safari&rls=en&q=when+ozone+layer+formed&ie=UTF-8&oe=UTF-8 In the future, you can...
Tuesday, January 15, 2013 at 12:02am by PsyDAG
Chemistry
I should have said "polyatomic" or "multiatomic" instead of diatomic. N2, I2, H2, and most of the others I listed are diatomic. Of course, you realize O3, ozone, is triatomic, P4 is tetratomic, and S8 is what? Octatomic?
Sunday, October 12, 2008 at 10:32pm by DrBob222
science
What is the ozone
Monday, November 17, 2008 at 6:33pm by carrie
Reaction Stiochiometry Involving Gases
Ozone is depleted in the stratosphere by chlorine from CF3Cl according to the following set of equations: CF3Cl + UV Light ---> CF3 + Cl Cl + O3 ---> ClO + O2 O3 + UV Light ---> O2 + O ClO + O ----> Cl + O2 What total volume of ozone measured at a ...
Sunday, October 25, 2009 at 1:32pm by Kyle
earth science
Try some of the following links for information: http://search.yahoo.com/search?fr=mcafee&p=what+makes+scientists+think+that+the+ozone+layer+is+disappearing%3F+ Sra
Sunday, February 13, 2011 at 12:47pm by SraJMcGin
science
Ozone layer formed
Tuesday, January 15, 2013 at 12:02am by abdulwasay
9th grade
how does ozone form?
Monday, September 22, 2008 at 6:24pm by lc
Chemistry
One of the concerns about the use of Freons is that they will migrate to the upper atmosphere, where chlorine atoms can be generated by the following reaction: CCl2F2 --> CF2Cl + Cl Chlorine atoms can act as a catalyst for the destruction of ozone. The Activation energy...
Tuesday, October 26, 2010 at 10:20pm by Jim
precalc
The depletion of the Earth's ozone layer has created concern among some health experts. They believe that dramatic increases in the number of illnesses and deaths due to ultraviolet radiation rays may occur as a result of breaks in the ozone layer. The Environmental ...
Saturday, September 4, 2010 at 7:23am by Anonymous
Science
Here is one example: http://www.eco-action.org/dt/krill.html The "ozone hole" in the Antarctic is casued by human activity: the release of chlorofluorocarbons into the atmosphere. Fortunately, laws were passed changing the refrigerants used in air conditioners and ...
Thursday, October 6, 2011 at 11:33am by drwls
earth
I beleive that is the ozone effect, but I am not sure.
Thursday, April 19, 2012 at 9:16pm by Tabby
science
what do the ozone and oxygen have in common?
Wednesday, September 29, 2010 at 7:49pm by noelia
Science
Why can't the ozone layer be higher in the atmosphere?
Saturday, January 31, 2009 at 9:16pm by Penny
Science
How does the ozone effect the wind patterns
Tuesday, January 22, 2008 at 8:23pm by Ellen
science
how does the thinning of the ozone layer protect your health?
Monday, January 30, 2012 at 7:10pm by dina
Help
How are oxygen and ozones alike? How are xyggen and ozone different?
Wednesday, December 8, 2010 at 6:46pm by Please help
environment chem
how many moles of ozone does the atmosphere hold?
Sunday, November 21, 2010 at 10:30pm by Ben
science
This search looks like a good bet: http://aolsearcht3.search.aol.com/aol/search?s_it=searchbox.webhome&q=+chemical+reaction+mechanism+of+ozone+depletion+ Sra
Friday, August 14, 2009 at 12:49am by SraJMcGin
Physical Science
How does the ozone layer cause global warming?
Monday, June 7, 2010 at 8:01am by John Henry
9th grade
What are the similarities of ozone depletion and uv light
Monday, March 8, 2010 at 1:52am by adriana
science
Is there a relationship between ozone depletion and global warming?
Sunday, May 11, 2008 at 9:56pm by Charlotte
science
does methane have anything to do with ozone depletion? http://www.ciesin.columbia.edu/docs/011-466/011-466.html What Drainage basin does Michigan belong to? I have answered this one a couple of times already. Can I direct you to the statement in the conclusion in DrBob's ...
Tuesday, May 15, 2007 at 6:34pm by Anonymous
Environmental Science
You might try some of the sites in this Search: http://search.yahoo.com/search?fr=mcafee&p=nonliving+%26+living+factors+contributing+to+or+affected+by+the+problem+of+the+ozone+layer Sra
Sunday, April 4, 2010 at 10:11pm by SraJMcGin
college physics
the question is that what happened when the ozone layer becomes destroyed?
Friday, September 18, 2009 at 1:03pm by neha
science
hi can someone please help me What is the chemical reaction mechanism of ozone depletion thank you
Friday, August 14, 2009 at 12:49am by sam
earth science
what makes scientists think that the ozone layer is disappearing?
Sunday, February 13, 2011 at 12:47pm by kristina reingand
science
Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Ground-level ozone (O3) Sulfuric acid (H2SO4) I need to complete the table above and have no idea what to do. Choose one of the following atmospheric issues: air pollution, global ...
Saturday, September 13, 2008 at 12:54am by Angel
Environmental Science
Nonliving and living factors that contribute to or are affected by the problem of the ozone layer?
Sunday, April 4, 2010 at 10:11pm by Keza
social studies
can you give little information about antartic ozone hole
Sunday, November 23, 2008 at 6:59am by tushar das
Chemistry
If the equilibirium reaction is 2 03(g) <--> 3 O2 9(g) is first order with respect to ozone, what type of plot( meaning what is plotted on the y axis vs what is plotted on the x-axis) will yield a straight line? what will the slope of the line represent? PLEASE ...
Sunday, January 23, 2011 at 2:53pm by Amber
OZONE stuff
Here is one place to begin: http://www.google.com/search?hl=en&client=firefox-a&hs=KCK&rls=org.mozilla:en-US:official&ei=jTWQS_PfM5X4NdXqnaQN&sa=X&oi=spell&resnum=0&ct=result&cd=1&ved=0CAUQBSgA&q=when+is+the+Antarctic+ozone+hole+...
Thursday, March 4, 2010 at 1:25pm by SraJMcGin
Definition chem!!!!!
O2 for molecular oxygen, O3 for ozone, CH4 for methane, C6H6 for benzene.
Wednesday, June 2, 2010 at 11:20pm by Jen
Chemistry
A NASA satellite showed that in 2003 the ozone hole was much larger than it was in 2002. The 2003 hole measured 1.04 x in diameter, while the diameter of the 2002 hole was 6.9 x Calculate the difference in size between the two holes in square meters
Wednesday, July 20, 2011 at 1:12am by Norma
environmental science
what are the sources of the following: carbon dioxide CO2 chlorofluorocarbons CFC's ground level ozone
Saturday, July 21, 2012 at 9:39pm by tia
Writing
I need help with unscrambling this sentence - a the absorbs upper rays uv beneficial of layer atmosphere, ozone
Sunday, September 25, 2011 at 9:16pm by Eric
biology
How did the primordial atmosphere, photosynthesis, oxygen, the ozone layer, and the endosymbiotic theory influence the origin of living organisms?
Wednesday, September 2, 2009 at 1:40am by Serena
Geography
Difference between ozone depletion and global warming Must include 2 cause, 3 effects, 3 solutions and 2 internet information
Sunday, May 31, 2009 at 2:09am by Madhuvanthi
science
what are sources and Health/Environmental Effects Carbon dioxide, Chlorofluorocarbons, Ground-level ozone, Sulfuric acid?
Wednesday, April 16, 2008 at 1:18am by brady
science
Oh, so the ocean would be a sink of human-generated carbon dioxide? I was thinking more like an ozone hole.
Saturday, March 8, 2008 at 11:44am by Madison
Chemistry
The decomposition of ozone is believed to occur in two steps O3 <==> O2 + O O3 + O ---> 2O2 Identify any reaction intermediate. What is the overall reacion? I got O3 + O3 --> O2 + 2O2
Monday, February 18, 2008 at 12:28pm by Lauren
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