Chemistry open book paper Photochemical smog is a mixture of primary and secondary pollutants; primary pollutants are those released directly into the atmosphere from human activities such as burning fuels. ... The main secondary pollutants are: • Ozone (O ) • Nitrogen dioxide (NO ) • Hydrogen peroxide (H O ) • Peroxyacetyl nitrate (PAN) • Nitric acid (HNO ) • Partially oxidised hydrocarbons Primary and Secondary pollutants produced by motor vehicles Fuels contain compounds of nitrogen (NOx) these are oxidised when the fuel is bur...

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• Grade Level: High School

Carbon monoxide is a very dangerous gas. It has no odor, no taste, and is indivisible. Carbon monoxide happens from incomplete combustion of woods, gas, charcoal, propane, natural gas, and oil. It is found mostly in low levels in the air. Like for example one place would be the fireplace inside a...

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• Grade Level: High School

How do Sutures Dissolve? Did you know that a catgut suture has been around since 150 A.D.. But what so modern doctors use for sutures with the right compatibility, strength, and ability to dissolve using the right biochemistry materials. Doctors use a Synthetic Biodegradable polymer for all the c...

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• Grade Level: High School

As of right now, emissions from human activities have altered the earths chemistry, have resulted in climate change due to the greenhouse effect, increased exposure to ultraviolet rays due to ozone depletion, and acid rain precipitation. ...

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• Grade Level: High School

A cid rain is formed when certain gases dissolve in rainwater to form acids. Acid rain by definition in the Chemistry book states: "Rainwater that has become excessively acidic because of absorption of pollutant oxides, notably SO3, produced by human activities"(1). There are airborne pol...

• Word Count: 754
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• Grade Level: High School

"What is Acid Rain?" You hear about it all the time in the news and it is very important to the earth's ecosystem. In simple terms, acid rain is rain that is more acidic than normal. All objects in nature have a certain level of acidity but acid rain has too much acid in it. Acid rain is a compli...

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• Has Bibliography
• Grade Level: High School