Hydrogen Essays and Term Papers

Hydrogen 2

Hydrogen in it's liquid form has been used in space vehicles for years. Hydrogen has a high combustion energy per pound relative to any other fuel, meaning hydrogen is more efficient on a weight basis than fuels currently used in air or ground transportation. Hydrogen is the universe's most ...

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Hydrogen: The Fuel Of The Future

By: Json Why are we as Americans so afraid to change? even if it is a change for the better? the world has been using oil coal and other petroleum products to power just about everything that moves for the last 150 years. yet most cars in the united states only get 10-20 miles a gallon and even ...

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"To See What Factors Affect The Decomposition Of Hydrogen Peroxide By The Enzyme Catalase Which Is Found In The Liver"

"To See What Factors Affect The Decomposition Of Hydrogen Peroxide By The Enzyme Catalase Which Is Found In The Liver" Introduction: Enzymes are biological catalysts. They speed up the chemical reactions which go on inside living things. Without them the reactions would be so slow that life would ...

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Water And Its Importance

Water is the most important substance on earth. It is the beginning of all life, and sustains life in all organisms. Most organisms are predominately made up of water and they depend on it from their day to day life. Almost every aspect of natural life traces back to water. Needless to say, it is ...

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Intermolecular Bonding Essay

Write an essay on intermolecular bonding. Explain how each type of bond arises and the evidence for the existence of each. Comment on their strengths in relation to the types of atoms involved; the covalent bond and relative to each other. Use the concepts of different types and strengths of ...

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Fuel Cells

What is a fuel cell? A fuel cell is a device that generates electricity by a chemical reaction. Every fuel cell has two electrodes, one positive and one negative, called, respectively, the anode and cathode. The reactions that produce electricity take place at the electrodes. Every fuel cell ...

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How Does pH Buffer Affect Catalase’s Rate Of Reaction?

Factors that affect rate of reaction Research Question: How does pH buffer affect catalase's rate of reaction? Introduction: pH buffer: a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. It is used to prevent changes in the pH of a solution. Buffer ...

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Nickel Metal Hydrive Battery For Electric Vehicals

Electric vehicles can benefit us in many ways. Comparing with the internal combustion engine, EVs don’t cause pollution when operating. They can run in a long period of time. Economically, because these vehicles using battery, they reduce the oil import and the imbalance trading in the US and ...

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Acid Rain: Cause And Effects And Issues

Introduction Acid rain has become an environmental concern of global importance within the last decade. With the increasing environmental awareness of the "unhealthy" condition of our planet earth the concern about acid rain has not lessened. In brief, acid rain is rain with pH values of ...

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Stars

A star is a large ball of hot gas, thousands to millions of kilometers in diameter, emitting large amounts of radiant energy from nuclear reactions in its interior. differ fundamentally from planets in that they are self-luminous, whereas planets shine by reflected sunlight. Except for the SUN, ...

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Properties Of Water

Water is essential for life as we know it on earth. It is used by plants and animals for basic biological processes which would be impossible without the use of water. The origin of all life can be traced back to the water in the Earth's precambrien seas. Water is also the universal solvent. ...

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Description For The Existance

of God The existence of God is a subject that has occupied schools of philosophy and theology for thousands of years. Most of the time, these debates have revolved around all kinds of assumptions and definitions. Philosophers will spend a lifetime arguing about the meaning of a word and never ...

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The Jovian Planets

Far beyond Earth in the solar nebula lies an ice belt and beyond that lay the four Jovian planets. They are Jupiter, Saturn, Uranus and Neptune. Jovian means "Jupiter- like" in which the rest of do coincide with the name. Uranus Neptune and Saturn, all carry the same traits as Jupiter. are ...

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Alternative Energy Sources

In the not-too-distant future -- with regard to history's timeline -- there will come a point when fossil fuels will have been depleted and humans will be forced to find alternative sources with which to power automobiles, household heating units and myriad other machinery that utilizes fuel. ...

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Fusion

For centuries, humankind has looked at the stars, and for just as many years humankind has tried to explain the existence of those very same stars. Were they holes in an enormous canvas that covered the earth? Were they fire-flies that could only be seen when the Apollo had parked his chariot ...

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Rates Of Reaction

BACKGROUND INFORMATION What affects the rate of reaction? 1) The surface area of the magnesium. 2) The temperature of the reaction. 3) Concentration of the hydrochloric acid. 4) Presence of a catalyst. In the experiment we use hydrochloric acid which reacts with the magnesium to form magnesium ...

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Comets

The first written records of date back to nearly 3,000 years ago from China and Europe. The accounts of these were believed to be the causes of terrible events that occurred afterwards. In more recent times, however, astronomers have found out what they really are. A comet is basically a mixture ...

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John Dalton

was born in September 5,1766 in Eaglesfield in Cumberland, England. Dalton and his family lived in a small country house. His family had been Quakers since 1690. Quakers where members of a society of friends. John had a brother named Mary and A brother named Charles, when he was born his brother ...

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The Comparative Abundance Of The Elements

- There are 92 naturally occurring elements, only 17 of them make up 99.5% of the earth's crust (including oceans and atmosphere). - In living things (plants, animals, people) the six most abundant elements are carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur. - The universe is ...

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The Tragic Challenger Explosion

Space Travel. It is a sense of national pride for many Americans. If you ask anyone who was alive at the time, they could probably tell you exactly where they were when they heard that Neil Armstrong was the first person to walk on the Moon. But all of the success in our space programs is ...

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