Essays Tagged: "NOx"

Photochemical Smog

photochemical smog present.* Early morning traffic increases the emissions of both nitrogen oxides (NOx) and Peroxyacetyl Nitrates (PAN) as people drive to work.* Later in the morning, traffic dies do ... stricter emission laws all over the globe. Many countries have varying laws on the legal limits of NOx, Carbon Dioxide, and Sulfur Dioxide. For example, the United States has a lower legal limit for ...

(7 pages) 64 0 4.6 Mar/1997

Subjects: Science Essays > Chemistry

Should We Fix Acid Rain? What is acid rain and its causes? Should we fix it? By who and how should it be fixed?

neutralise each other. Acid rain is caused by the release of oxides of sulphur (SO2) and nitrogen (NOx) which when combined with the moisture in the air, may fall as rain with acidity of sulphuric or ...

(4 pages) 130 3 4.1 Dec/2002

Subjects: Science Essays > Earth Sciences

Acid rain and the effect it has on our environment

its origin. The two primary sources of acid rain are sulfur dioxide (SO2), and oxides of nitrogen (NOx). Sulfur dioxide is a colorless gas released as a by-product of combusted fossil fuels containin ... gen is a term used to describe any compound of nitrogen with any amount of oxygen atoms. Nitrogen monoxide and nitrogen dioxide are all oxides of nitrogen. These gases are by-products of firing proces ...

(4 pages) 51 0 4.0 Apr/2003

Subjects: Science Essays > Environmental Science

Charlie's Angels.

re Dylan, a rebellious tomboy, Natalie, a ditzy encyclopedia, Alex, a no nonsense achiever and Eric Nox, a criminal mastermind. Dylan, Natalie and Alex are the main protagonists who work as detectives ... lan's while Natalie is also searching for love and Alex is trying to open up to her boyfriend. Eric Nox's motivation is to have revenge for the death of his father. Our three heroines, Alex, Dylan and ...

(2 pages) 34 0 3.0 Dec/2003

Subjects: Art Essays > Film & TV Studies > Film History

Acid Rain

or so comes from various Nitrogen Oxides (mostly NO2 and NO3 which has collectedly adopted the mane Nox). There is also a small percentage of hydrochloric acid that makes up hydrochloric acid as well. ... mited and the waste solids are disposed.The Clean Air Act Amendments of 1990 set a goal of reducing Nox by 2 million tons from 1980 levels. The Acid Rain program focuses on one set of sources that emi ...

(7 pages) 61 1 5.0 Feb/2004

Subjects: Science Essays > Atmospheric Sciences

Life cycle and cradle-to-grave analysis of timber (discusses recycling, waste minimisation and ecological restoration)

on plants. Although energy consumption is a significant environmental impact of transport, the high NOx-emissions per consumed fuel and the resulting NOx-based problems may therefore be even more crit ... c trains being an exception - the energy is produced in a diesel engine leading to nitrogen oxides (NOx), sulphur, carbon dioxide (CO2) and particle emissions. NOx and sulphur increase acidification, ...

(8 pages) 192 1 4.1 May/2004

Subjects: Science Essays > Earth Sciences

The Affects of Acid Rain on pH and Alkalinity

includes acidic gases and particles. Acid rain occurs when sulfur oxides (SO2) and nitrogen oxides (NOx) react with water, oxygen and other chemicals in the atmosphere. Two-thirds of the sulfur oxides ... e for humans to drink. At a low pH, toxic metals become soluble. Possible remedies include reducing NOx and SO2 emissions which would cut down on acid rain.We could also treat the acid mine drainage w ...

(4 pages) 46 0 5.0 May/2004

Subjects: Science Essays

Investigating The Factors Which Affect The Rate of Reaction Between Limestone and Acid Rain(Hydrochloric Acid)

the environment. Two common air pollutants acidify rain: sulphur dioxide (SO2) and nitrogen oxide (NOX). When these substances are released into the atmosphere, they can be carried over long distance ...

(8 pages) 31 0 3.7 Oct/2004

Subjects: Science Essays > Chemistry

Acid Rain. This is a research paper I did for my science fair project.

uice all have a pH lower than 7, and therefore are acids. Sulfur dioxide (SO2) and nitrogen oxides (NOx) is released into the air when fossil fuels such as coal, natural gas, and oil are burned. Coal ... , natural gas, and oil are burned. Coal accounts for most U.S. SO2 emissions and a large portion of NOx emissions. Sulfur is present in coal as an impurity, and it reacts with air when the coal is bur ...

(3 pages) 54 0 5.0 Jan/2005

Subjects: Science Essays > Biology

Improving Air Quality - Government of Canada

es, which committed each nation to reduce its emission of ozone-forming substances (nitrogen oxide [NOX] and volatile organic compounds [VOCs]).In February 2001, the Minister announced an investment o ... y 90 percent;* $19.8 million on initial actions, including development of a ten year plan to reduce NOX, in particular from the electricity sector, and VOCs emission from solvents and consumer product ...

(17 pages) 70 0 3.0 Mar/2006

Subjects: Science Essays > Environmental Science

Photochemical smog and environmental pressures.

utant of the photochemical smog undergoes further reaction, by the heat of the sun; example: ozone. NOx and NO2 are the main primary and secondary pollutants produced respectively from motor vehicles. ... the steam turbine. The main primary pollutants from a coal fired power stations are CO2, SOx & NOx- Carbon from coal and oxygen from air produces CO2 when coal combusts.- When sulphur compounds p ...

(3 pages) 21 0 3.5 Mar/2006

Subjects: Science Essays > Atmospheric Sciences

Acidic Oxides: Environmental Peril?

he 2 forms of acidic oxide which form acid rain are called sulfur dioxide (SO2) and nitrogen oxide (NOx). The way these acids and compounds are formed, is by when they react with natural substances, a ...

(4 pages) 31 0 3.5 Mar/2006

Subjects: Science Essays > Environmental Science

The effects of acid rain on nature, humans and our environment

an ever before. Acid rain is produced by the releases of Sulphur Dioxide (SO2) and Nitrogen Oxides (NOx). These two gases once realised into the atmosphere combine and react with water, oxygen and oxi ... to help is by not using a car so much. Cars produce many gases into the atmosphere such as carbon monoxide which is known to be one of the main gases for causing acid rain. If you do use a car, by usi ...

(4 pages) 37 0 2.0 Jan/2007

Subjects: Science Essays > Environmental Science

Origins Of Acid Rai

the three acids due to the fact that it is able to completely dissociate in water. Nitrogen oxide (NOx) may also be released into the atmosphere and combine with water forming nitric or nitrous acid. ...

(3 pages) 14 0 0.0 Nov/2001

Subjects: Science Essays > Environmental Science

Acid Rain

caused by either sulfur oxides(SOx), formed from combustions within car engines, or nitrogen oxides(NOx), which is created from burning fossil fuels within power plants, reacting in the atmosphere wit ... ain becomes acidic forming sulfuric acid from the SOx, a very strong acid, and nitric acid from the NOx. According a website arranged by the EPA, this acidic precipitation can account for part ...

(2 pages) 7 0 3.0 Dec/2001

Subjects: Science Essays > Environmental Science

THE RELATIONSHIP BETWEEN AIR POLLUTION IN THE U.S.

the combustion process and also from evaporating gasoline. The main pollutants consist of carbon monoxide, nitrogen dioxide, hydrocarbons, and particulates, each of which are harmful to the human bod ... health, and the social structure has been outlined as a serious problem.Bronner notes that carbon monoxide is the largest pollutant emitted by vehicles. It attaches to the hemoglobin in the blood and ...

(6 pages) 79 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Acid Rain and its effects on society

sculptures that are part of our nation's cultural heritage. Prior to falling to the earth, SO2 and NOx gases and their particulate matter derivatives, sulfates and nitrates, contribute to visibility ...

(8 pages) 11 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Acid Rain

makes the rain acidic and harmful to the environment.Another cause of acid rain is nitrogen oxide (NOx). Nitrogen oxide is caused by spark plugs in car engines. Nitrogen oxide forms when heat given o ... park plug is sufficient for nitrogen and oxygen in the air form nitrogen oxide. Once the nitrogen monoxide gas escapes into the air it then changes to nitrogen dioxide. The nitrogen dioxide reacts wit ...

(3 pages) 1401 1 0.0 Mar/2009

Subjects: Science Essays > Chemistry

Automotive emissions

2 + N2 (Air) + HC (Fuel) Co2+H2O+N2Unfinished Combustion:O2 + N2 (Air) + HC (Fuel) Co2+H2O+N2+Co+HC+NOxAs we can see on the combustion reactions Just CO2 is generated from the genuine reaction, the re ... on the combustion reactions Just CO2 is generated from the genuine reaction, the rest (HC, CO, and NOx) are produced because the engine doesn't burn all the fuel that is being injected, but we'll see ...

(4 pages) 18 0 5.0 Mar/2009

Subjects: Science Essays > Engineering

Contaminación atmosférica en la troposfera

ar las partículas sólidas. Ejemplos de contaminantes primarios son: SO2, SO, CO, CO2, NOX y derivados de hidrocarburos.Contaminantes especiales o secundarios. Habitualmente derivados de ... idrocarburos, sobre todo el dióxido de azufre, SO2, y los óxidos de nitrógeno, NOX. Estos contaminantes primarios sufren reacciones fotoquímicas con el vapor de agua de la ...

(11 pages) 0 0 0.0 Apr/2012

Subjects: Science Essays > Environmental Science