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chemical phosphoric acid Essay Examples

918 total results

Physical and Chemical Pollutants in Brisbane’s Water (431 words, 1 pages)

Everybody knows humans need pure drinking water to sustain life. But are Brisbane residents drinking clean water? Michael Hodge Reports. The water pollution problem in Brisbane is beginning to get out of hand. If something is not done soon, it will be too late to do anything. When people picture ... Read More

An Essay on the Cause, Effects and Treatment of Acid Rock Drainage (1709 words, 2 pages)

- Very informative essay THE CAUSE, EFFECTS AND TREATMENT OF ACID ROCK DRAINAGE INTRODUCTION Imagine going fishing on a cool Autumn day, the trees are all different shades of orange, brown and red and the birds are singing their beautiful songs, but their is a serious problem because when you ... Read More

Love – a Chemical Reaction or a State of Spirit? (298 words, 1 pages)

I don't think that someone might ever be loved excessively. Everyone should be loved beyond measure. Love becomes excessive when it isn't shared every gesture towards the one who doesn't love becomes embarrassing. There's no fault in the fact that you don't love and there's no merit in the fact ... Read More

Experiment on Relationship between Acid Rain and the Growth of Germination on Pea Seeds (717 words, 2 pages)

Acid Rain Lab Acid rain is causing problems throughout the world. Acid rain is precipitation that has been combined with gases in the atmosphere, causing it to be slightly more acidic than normal rain. Acid rain has a PH level of about 5.0 compared to that of pure water's 7.0. ... Read More

A Paper on Chemical Warfare (2632 words, 5 pages)

Chemical Warfare 1.0 What are Chemical Warfare Agents? Chemical weapons include any chemical substance, whether in a gaseous, liquid, or solid state, which can be used to cause loss of performance, permanent injury, or death in humans. These chemicals are commonly man-made toxicants, however, there is increasing research in the ... Read More

A Paper on the Chemical Element Bromine (285 words, 1 pages)

The element Bromine, is a red liquid which is explosive at room temperature and has a red brown vapour. It has an atomic number of 35 and an atomic mass of 79.909. The melting point of Bromine is -7 deg.C and the boiling point is 58 degC with a relative ... Read More

Properties and Uses of Chlorine, a Chemical Element (611 words, 1 pages)

Chlorine, symbol Cl, is a greenish-yellow gaseous element. In group 17 of the periodic table, chlorine is one of the halogens. The atomic number of chlorine is 17. Chlorine is a greenish yellow gas, which combines directly with nearly all elements. It is a gas at normal temperature and pressure, ... Read More

The Disastrous Effects of Acid Rain on the Environment (1275 words, 2 pages)

Acid rain is a serious problem with disastrous effects. Each daythis serious problem increases, many people believe that this issueis too small to deal with right now this issue should be met headon and solved before it is too late. In the following paragraphs I will be discussing the impact ... Read More

The Effects of Acid Rain on Man and Environment (1943 words, 6 pages)

INTRODUCTION Acid rain is a great problem in our world. It causes fish and plants to die in our waters. As well it causes harm to our own race as well, because we eat these fish, drink this water and eat these plants. It is a problem that we must ... Read More

Effects Chemical Pesticides on Our Health (912 words, 3 pages)

The subject of chemical pesticides is worldwide known because it is something that is being used in plants, crops, and in everyday foods that we eat. It has a huge effect on our health, and can have some serious effects on our immune system. It also is not good for ... Read More

Engineering Code of Ethics on the Production of Chemical Weapons (2511 words, 5 pages)

In todays world, chemical weapons have become an increasing topic of interest due to the conflict in Syria. The Syrian conflict has been raging on for more than a year, leaving thousands dead but it is the recent use of chemical weapons that has brought attention to this bloodshed. To ... Read More

The Chemical Element of Lead (496 words, 2 pages)

Elements are substances that cannot be broken down by chemical means. There are 118 elements on the periodic table 92 of them occur naturally. The periodic table organizes chemical elements in rows by the order of their atomic number. Lead, whose chemical symbol is Pb, is an element that belongs ... Read More

Obama’s Decision with Syria and Chemical Warfare (824 words, 3 pages)

We seen in the case of Syria that this is clearly a big event of grave concern President Obama states regarding the chemical weapons attack in Syria. In New York Times (liberal), Peter Baker and Steven Lee Myers in their article, Obama Falls Short on Wider Backing for Syria Attack, ... Read More

The Bio Chemical Processes in Nature (1054 words, 5 pages)

1. This cycling is defined as the movement and conversion of nutrientsfrom inorganic to organic by biochemical function in the ecosystem. Mostof all, the life body needs to survive and is made by sulfur,phosphorous, carbon, oxygen, hydrogen, and nitrogen. Moreover, severalelements are required such as zinc, manganese, chlorine, iron, andcopper. ... Read More

Protein Synthesis and Importance of Essential Amino Acids as Well as Energy Sources (922 words, 2 pages)

Describe the processes involved in cellular protein synthesis. How wouldsynthesis be affected by intake of an otherwise adequate diet that is verylow in glycine or low in tryptophan? How would synthesis be affected by adiet that is low in energy?Protein Synthesis and Importance of Essential Amino Acids As Well As ... Read More

Fume Hood and the Safety it Provides to Prevent Chemical-Related Accidents (1303 words, 7 pages)

IntroductionFume hood is also known as fume closet or fume cupboard. It is a kind of device utilized to offer ventilation. In the process of offering proper ventilation, it restricts the contact to perilous or noxious fumes, dusts or vapors. It sections are quite large and comprises working sections, five ... Read More

The Significance of Chemical Changes in Science (285 words, 1 pages)

Evidence for Chemical changeA chemical change is any change that results in the formation of new chemical substances. In the following experiment, a solution that begins with copper nitrate II will undergo a series of chemical changes. Examples of evidence for a chemical change include temperature change, color change, precipitate ... Read More

An Experiment to Determine the Chemical Equilibrium Constants for Metals with Ligand Molecules (1136 words, 7 pages)

IntroductionChemical equilibrium is a phenomenon that occurs in a chemical reaction when the concentrations of reactants and products in the given reaction have no net change over time. Simply stated this means that the reaction is occurring forwards and backwards at the exact same rate so that the concentrations of ... Read More

An Experiment on the Chemical Purification of Spinach Through Column Chromatography (2124 words, 8 pages)

Absorbance Spectra of Spinach Fractions Purified by Column Chromatography1.) IntroductionColumn chromatography is a particular branch of chemical purification, by which the components of a substance are separated from each other based on each components chemical interactions with certain filters absorbents and solvents. The analyzed species, often a solid ground into ... Read More

An Experiment Showing the Different Emission Spectra of Chemicals and Elements (547 words, 4 pages)

This lab was conducted to show the emission spectra of different chemicals and elements through flame tests and emission tubes. Emission spectra can be used to classify and also identify elements and compounds.II. For flame tests, various salts were burned and the colors produced were observed. Emission tubes and a ... Read More

An Experiment on the Effects of Reagents to the Chemical Equilibrium of a Solution (1071 words, 3 pages)

Effects of Changing Chemical EquilibriumIntroductionIn a chemical equilibrium, the rates of the forward reaction and the reverse reaction are equal. Changes such as adding a reagent or changing temperature will change the equilibrium, and the system will compensate by moving in the opposite direction of the change, as defined in ... Read More

An Experiment to Determine the Molarity of an Unknown Solution in an Acid-Base Titration (529 words, 2 pages)

Acid-base titrations with sodium hydroxide and acetic acidIntroductionTitrations allow the calculation of the concentration of a solute in an unknown solution, based on a standard solution, where the concentration is known. Acids and bases combine in solution to form water and a salt, essentially neutralizing each other. For example, sodium ... Read More

The Study on the Interactions Between the Chemical Components of the Earth Through Geochemistry (348 words, 2 pages)

Earth science involves the study of the earth's physical components.These components include water, land, air and all the processes thatinfluence them. Essentially, Earth scientists tend to study the physicalspheres of the earth. A logical system is created by the interaction ofthese physical components of the earth. Through geochemistry, earthscientists can ... Read More

The Solution to the Acidic Water of the River (728 words, 2 pages)

Chemistry Story Acidic River It was one hot afternoon and Simon and Adrian decided go fishing in a nearby river. This was around after they had recently had a chemistry lab during their 6th period class. As soon as they arrive, they take the boat out and examine the water ... Read More

The Cause of Gastritis and the Role of Gastric Acid in the Human Body (843 words, 4 pages)

An intricate balance of chemotransmitters is made possible by the regulation of acid and pepsin secretion. The gastroduodenal mucosa is adapted to protect itself against injury from the acid activity and to repair an injury rapidly as soon as it occurs. The flow, defense and the ability to heal are ... Read More

Tap Water pH Neutrality and the Acidity of Gatorade (282 words, 1 pages)

What I Learned in the Take Home LabI have learned many things from the Take Home Lab, such as the tap water in my house is basic and that Gatorade is acidic.I hypothesized that the tap water in my house would be a pH of 7 because water is neutral. ... Read More

A Single Replacement Experiment on Magnesium Reaction with Hydrochloric Acid (338 words, 2 pages)

MaterialsMagnesium, hydrochloric acid, copper wire, cork, test tube, ruler, waterProcedures1. Fill the bottom of the test tube with about 15 ml of hydrochloric acid2. Then fill up the rest of the test tube with water3. Measure the length of the magnesium strip4. Using the copper wire, make something that will ... Read More

A Lab Experiment to Determine the Chemical Composition of Different Substances (557 words, 2 pages)

Chemical Composition of Cells For our classs second lab we experimented with various different substances to test their chemical composition. We were testing the substances for either proteins, Starch, monosaccharides, or lipids. For our first test was a test to find proteins. We filled several test tubes with 1cm of ... Read More

A Feeling of Hope in the Lyrics of Welcome to the Black Parade, a Song by My Chemical Romance (1682 words, 6 pages)

While My Chemical Romance comes off as emo, depressed, and suicidal, their songs actually say the opposite. The lyrics of most of their songs actually send a message of hope to their fans and not give up. Many kids have looked up to My Chemical Romance and their music and ... Read More

An Observation and Analysis of a Chemical Reaction (611 words, 2 pages)

Rates can be measured by determining the amount of the product formed per minute time. Our group observed the reaction . The ions in iodate ion (Solution A) and hydrogen sulfite ion (Solution B) are unable to be seen in the solution but the iodide ion formed by this reaction ... Read More

Published: Friday 25th of January 2013