Essays Tagged: "oxygen molecules"

Our radiant planet - depletion of the ozone layer

et.Our Radiant Planet- Depletion of the Ozone LayerOzone is a relatively unstable form of molecular oxygen containing three oxygen atoms produced when upper-atmosphere oxygen molecules are split by ul ... s an atom of chlorine, which destroys ozone by oxidising with the Ozone molecules, forming Cl-O and Oxygen. One atom of chlorine can destroy 10,000 ozone molecules! Atoms containing bromine, nitrous o ...

(4 pages) 83 0 5.0 Jan/1996

Subjects: Science Essays > Environmental Science

The Ozone Layer: What Does It Do And What Happens When It's Gone?

r for life to exist on the Earth. Ozone is a colorless gas that is formed by a chemical reaction of oxygen molecules, oxygen atoms, and solar radiation. Contrary to popular belief, ozone is actually a ...

(5 pages) 73 0 5.0 Apr/2003

Subjects: Science Essays > Earth Sciences > Meteorology

Chemical and Physical Matter and its Properties.

ample of a compound because it is one of many compounds that consist of molecules. The hydrogen and oxygen molecules are chemically bonded to form a water molecule.Properties and Changes in MatterEver ... n substances react to form (a) new substance(s). For example, when charcoal burns, it combines with oxygen in air to become a new substance, carbon dioxide gas. After this chemical change, the origina ...

(3 pages) 85 2 4.3 Oct/2003

Subjects: Science Essays > Chemistry

The Effects of Peroxidase

ithin the liver that involves the hydrogen atoms in a toxic substance to bond with already existing oxygen molecules, this in turn forms hydrogen peroxide. The hydrogen peroxide is then neutralized by ...

(3 pages) 38 0 0.0 Apr/2006

Subjects: Science Essays > Biology

Are hydrogen cars the answer?

floating hydrogen molecules on Earth. We know, of course, that most hydrogen molecules are bound to oxygen molecules which, together, make water; but there is no other source that we know of that is a ... e want to use the hydrogen in water, we must find a way to separate the hydrogen molecules from the oxygen molecules. This presents us with a problem.Where would the energy to break the hydrogen bonds ...

(2 pages) 72 2 5.0 Aug/2006

Subjects: Science Essays > Technology

Invasions Of The Land

ltraviolet rays. Then life moved onto land because of change in the atmosphere. As large amounts of oxygen diffused into the upper atmosphere ultraviolet rays broke apart some of the oxygen molecules ...

(1 pages) 481 0 0.0 Feb/2008

Subjects: Science Essays > Environmental Science

Comparison between Cellular Respiration and Photosynthesis

esis is the procedure in which green plants use sunlight, carbon dioxide and water to make food and oxygen and cellular respiration is the process where cells use this food to release stored energy. W ... through the sun and combine with water and carbon dioxide to fabricate glucose (type of sugar) and oxygen. The chemical equation describing this effect, photosynthesis is written this way: 6CO2+6H2O+ ...

(2 pages) 39 1 5.0 Oct/2008

Subjects: Science Essays > Biology > Plant Biology

Silver Button Cell Americium-241 Aplha parical in Smoke detectors there There are Pictures, diagrams and a Bibliography in the uploaded files

Neptunium-237 (Np), Gamma rays and an alpha particle which has high ionization energy, causing the oxygen molecules in the air to ionize.O2 2O+ + e-Decomposition of Americium-241 241Am Np + α + ... 41Am Np + α + γThe positively charged particles, Alpha particles and positively charged Oxygen molecules, move to the negative electrode in the smoke detector. Negatively charged particles ...

(2 pages) 3402 0 0.0 Nov/2008

Subjects: Science Essays > Chemistry

Consequences of the Ozone layer

Ozone is a triatomic gas that consists of three oxygen atoms. Ozone divides itself into two main categories “good” ozone and “bad ... ngths of ultraviolet light. Ozone layer occurs naturally; from the ultraviolet rays that react with oxygen molecules as they are broken up the intense sun. There are five main factors that affect the ...

(4 pages) 12 0 5.0 May/2009

Subjects: Science Essays > Atmospheric Sciences

Ozone Depletion

time above Antarctica and to a lesser extent the Arctic region.The air we breathe is in the form of oxygen molecules (O2) - two atoms of oxygen linked together. It is colorless and odorless. Ozone is ... ygen and is colorless. It is created in the stratosphere when UV radiation from the sun strikes the oxygen and is split up to form ozone. It has a very disturbing odor like that of a burnt electric wi ...

(9 pages) 13 0 0.0 Jun/2009

Subjects: Social Science Essays > Controversial Issues