Chemistry Essays Examples For College & High School Students in PDF

1489 total results

The Difference Between Hard Water and Soft Water (759 words, 2 pages)

Lab Hard Water Vs Soft Water Is There a Difference? Background-Water is a universal solvent. Natural water contains minerals necessary for all plants, animals, and people. The content of minerals decides the water quality and hardness. The degree of Hardness is measured in PPM calcium.(www.ci.long) Soft water contains less than160 ... Read More

An Arguments in Favor and Against Cloning (469 words, 1 pages)

To Clone or Not to Clone Ban human cloning! Allow cloning for scientific purposes! Charles Krauthammer, author of "Of Headless Mice...and Men", displays a strong argument as to why human cloning should be banned while Daniel Kelves, author of "Study Cloning, Don't Ban It", feels that "It would be better ... Read More

The Areas of Interaction Between Philosophy, Science and Religion (3965 words, 13 pages)

ORIGINS Background Bibliography Topic Areas of interaction between philosophy, science, andreligion. Part I - Big Bang (Astronomy) Part II - Unified Field (Particle Physics) Part III - Evolution (Biology). Part IV - Theologic interaction - - - - Part II - Unified Field Theory of Particle Physics And God said, ... Read More

The History and Developments in Space Flight (1235 words, 3 pages)

Shawn McCartney Space Flight Space flight is the penetration by humans into the universe above the earths atmosphere. The purpose of space flight is to suite the scientific, physical and mental needs of humans. Some reasonsgoals for space flight is to provide earths communications, expanding the knowledge of humanity and ... Read More

The Effects of Heating on the Concentration of Limestone and the Rate of Reaction (868 words, 3 pages)

Aim During this experiment I will be investigating if heating limestone and changing the concentration of the acid will affect the rate of reaction. Preliminary work Before doing our main experiment, we will have to conduct another experiment, to see what concentration of acid we will have to use. We ... Read More

Labs About Proving the Law of Conservation of Momentum (221 words, 1 pages)

To prove the law of conservation of momentum we performed three labs. The first lab was the air track. We used two gliders to and tested inelastic collisions. The second lab was a computer simulated one where we tested inelastic and elastic collisions and the third lab was the impulse ... Read More

An Argument in Favor of Cloning (1780 words, 2 pages)

This a rebuttal!!! Read the article on this link first httpwww.cheathouse.comessayessayview.php?pessayid44374 You don't have to but it is advisable, for that is the text I'm refering to in my arguement. Maybe it's the year 2010 or 3010, cloning I believe is something that is inevitable. I mean its already started ... Read More

A Research to Find out the Different Temperature States During Fermentation Process (2293 words, 6 pages)

Aim To shift the azeotrope of the ethanol and water mixture in ginger beer in order to produce more potent alcohol using thermodynamics. Hypothesis Different temperature states during the fermentation process will produce a variety of alcohol percentages in ginger beer. Background Research In the modern beer brewing process, four ... Read More

A Biography of George Washington Carver (612 words, 1 pages)

George Washington Carver George Washington Carver was born in Diamond Grove, Missouri during the spring of 1864 or 1865. Like many slaves, he was uncertain of his birth date. His mother, Mary, was a slave who belonged to Moses and Susan Carver. As an infant, slave raiders kidnapped his mother. ... Read More

The Moral Debate Over the Rapid Development of the Technology of Cloning (1161 words, 2 pages)

The rapid development of the technology for cloning has led to moral debates around the world on whether or not to ban creating human clones. With the advancement of clone technology two states, California and Michigan have already banned the cloning of humans. "Everybody who thought it would proceed slowly ... Read More

An Experiment on the Synthesis of Acetylferrocene (594 words, 2 pages)

Introduction Results and Discussion Conclusion Experimental General All reagents were provided by the Chemistry 108 laboratory and used without additional purification. All solvents were removed by rotary evaporation. All reaction products were isolated with vacuum filtration, unless otherwise stated. Infrared spectra were recorded on a Perkins-Elmer 1600 series FTIR Spectrometer ... Read More

A Biography of Dmitri Mendeleev (463 words, 1 pages)

Dmitri Mendeleev was born in Tobolsk, Siberia (northern Russia), in 1834. His family owned a glass factory, which unfortunately burned to the ground. All the money saved for Dimitri's college education was spent rebuilding. His mother simply told him he must do better and get a full scholarship. This was ... Read More

An Analysis of the Experimental Human Cloning by Dr. Panayiotis Zavos (614 words, 1 pages)

HUMAN CLONE A doctor by the name of Panayiotis Zavos has admitted to attempts of cloning human embryos. His claims have caused the British scientific and political leaders and the Vatican to denounce him. Dr Zavos claimed that he has implanted a cloned embryo into a 35 year old woman's ... Read More

The Culture of Hybrid Stripped Bass in Cages (1183 words, 2 pages)

The Culture of Hybrid Stripped Bass in Cages Devin Sweeney Aquaculture 42900 The hybrid striped bass (Morone crysops saxatilis) is a cross between the striped bass and the white bass. The two species were successfully hybridized for commercial farming in 1967 in California. The aqua culture of this fish can ... Read More

An Overview of Career of Sir Alexander Fleming (275 words, 1 pages)

Sir Alexander Fleming was a British bacteriologist best known for the discovery of the antibiotic Penicillin. The reason he decided to try and discover a cure is because in those days if you had a disease there was no cure so people died of diseases. Penicillin was needed because in ... Read More

An Analysis of Revolutionary Science Advancements (1070 words, 2 pages)

A Link to Life Almeida 2 Revolutionary science advancements have made bioengineering a new link to life for the less fortunate. Thousands of families and children go hungry or die everyday. These numbers are astonishing, but yet not even global wide support can care for all of these families in ... Read More

An Experiment on Testing the Effects of Different Sugar Types with pH and Temperatures (674 words, 2 pages)

Enzyme Activity Abstract The purpose of this experiment is to test the effects of different sugar types with pH and temperatures. We are testing to see if there is a difference in reaction and reaction time when placed into different temperature and pH. We are looking for changes in color, ... Read More

A Comparison of Achievements of William Bascom and Charles Hartshorne (337 words, 1 pages)

A Meaningful Life Nowadays peoples minds have been polluted by various sources. Television over emphasizes the pursuit of sex, money, and violence. This causes people to believe that a materialistic life is the most fulfilling and meaningful but, I believe that there is more to life than materialistic things. Spiritual ... Read More

The Origin and Development of the Calculator (1115 words, 2 pages)

In the beginning of mankind, one tool has lasted threw the century and is still used today. This tool was the calculator. The calculator is a machine which makes doing math and number work easier. The first calculator to historian's knowledge that was widely used was the Abacus. The Abacus ... Read More

An Analysis of Insect on the Development of Mankind (852 words, 1 pages)

No single insect has had a larger influence on the development of mankind than the lowly ant. It has been storied throughout world literature, and even in the greatest of books, the Bible. Proverbs 66 states Go to the ant, thou sluggard consider her ways and be wise. It is ... Read More

A Report on Stem Cells (558 words, 1 pages)

The term 'stem cells' has become a trigger for a widespread, controversial debate. The debate about the ethics of Stem Cell Research has reached an international level and has generated concern about biomedical research in general. Countless groups in society have been confronted about the issue, many of whom do ... Read More

An Overview of the Evolution Statues and the Comments by Henry Drummond and E. V. Hornbeck (558 words, 1 pages)

A.The journalist E.V Hornbeck describes the trial as the persecution of the educated. What do you think he meant by the statement? Do you agree or disagree? The Evolution Statues were an attempt by the religious communities within the State of Tennessee to control free thought. Hornbecks comment was referring ... Read More

An Analysis of Mercury (387 words, 1 pages)

Mercury Mercury is the closest planet to the Sun and the eighth largest. In Roman mythology Mercury is the god of commerce, travel and thievery. The planet probebley got this name because it moves so fast around the sun. Another reason is because it is a small quick silver planet. ... Read More

An Introduction to the Development of a Fetus (2989 words, 10 pages)

In the Beginning Within a month of conception, the cluster of cells that will, in the course of time, become a human being begins throbbing, signaling the development of a primitive heart. Scarcely four weeks more pass before an intricate network of veins and arteries the size of a pea ... Read More

An Analysis of Water (2272 words, 4 pages)

Water is a tasteless odorless vital element in which 90 percent of all organisms depend on to survive. It is one of the best-known ionizing agents and, is frequently called the universal solvent. Water combines with certain salts to form hydrates. It reacts with metal oxides to form acids and ... Read More

An Analysis of the State of Florida (424 words, 1 pages)

In the sunny state of Florida, you cant go anywhere without finding fire ants. They pop up inside as well as out, forming giant mounds, invading homes and even cars. Every Floridian knows what they look like the full grown adults are reddish to dark brown. The male of the ... Read More

The Phenomenon of Succession in Society (726 words, 2 pages)

University of Phoenix Science 256 People, Science, and the Environment Ecosystem Succession Paper 31Jan05 Ecosystem 2. Succession Succession is a phenomenon of transition in community structure and function which is time related and often occurs in a somewhat predictable manner. Primary succession, (fig 5-4, pg 87) occurs following formation of ... Read More

An Introduction to the Water Cooling Experiment (978 words, 2 pages)

The Water Cooling Experiment During this lab we measured, using our CBL's and graphing calculators, the change in temperature of a glass of boiling water left to cool in a room. The purpose of the lab is to see how exponential functions can be applied to real-life applications. During the ... Read More

An Analysis of the Scientific Debate and the Hominid Evolution Methods of Experimentation and Theory (1513 words, 3 pages)

P.1 Scientists continue to debate the history of man. It is generally agreed upon by the scientific community, however, that humans evolved from lesser beings, and this essay will function to provide evidence to support this claim. Several points will be outlined, including the general physical changes that occurred between ... Read More

The Science of Boiling Water (348 words, 1 pages)

I went online and found out a lot of information about boiling water. If you cover the tin and allow the water and air to cool down, the air will cool and contract, lowering the pressure in the tin. If it lowers enough, the partial vacuum will collapse the walls ... Read More

Chemistry Essay Examples