Chemistry Essays Examples For College & High School Students in PDF

1489 total results

Lab Experiment to Find Similarities Between Different Compounds and Bonds (471 words, 2 pages)

I have completely and totally adhered to all guidelines published inthe student handbook on Academic Integrity. I have completely and totallyadhered to all guidelines published for this class in the Syllabus andAcademic Integrity Handouts. I certify that this report is completely myown work, aside from properly referenced and cited information. ... Read More

A Research on the Process of Denaturation and Coagulation (1209 words, 8 pages)

AbstractDenaturation and Coagulation are the process we use in hospitals and in the kitchen. The process which causes most stuff to turn into a gel and creates meat the color it is. Denatured states of proteins have gained wide interest in recent years owing to their fundamental importance in a ... Read More

Science Lab to Determine the Rise in Boiling Point of Water When Adding Sodium Chloride and Calcium Sulfate (636 words, 5 pages)

Purpose The purpose of this lab was to see the rise in boiling point of water when adding NaCl and Caso4 to water until saturated. We used a thermometer to measure the temperature of the course of time and compared it to the normal boiling point of water. The effect ... Read More

The Determination of the Heat of Neutralization Between Sodium Hydrochloride and Hydrochloric Acid (501 words, 3 pages)

Purpose The purpose of this experiment was to determine the heat ofneutralization for the reaction between sodium hydroxide (NaOH) andhydrochloric acid (HCL). The technique used to find the heat ofneutralization was to perform at least two trials, in which one acquiresboth the original temperature of the separate liquids, but also ... Read More

Boiling Point Elevation of Distilled Water (425 words, 2 pages)

Experiment title Boiling Point ElevationDate performed 212010Purpose To find out if an increase of Sodium Chloride will cause an increase to the boiling point elevation of distilled water. The technique used to find this out was dissolving various amounts of Nacl in distilled water, placing it on a hot pad, ... Read More

Ethics and Morals in Chemistry (944 words, 4 pages)

Ethics and Morals in ChemistryScience and ethics are an inseparable pair as advances are made. Questions arise as to whether what is being done by science is justifiable and better for humanity. Much of science boils down to just because you can, doesnt mean you should. A phrase commonly used ... Read More

An Analysis of a Laboratory Esterification Experiment on Salicylic Acid (816 words, 5 pages)

EsterificationThe purpose of this experiment was to take a sample of salicylic acid and place it through a reaction to form methyl salicylate. This reaction was accomplished by reacting the salicylic acid with methanol. Due to waters high boiling point rendering distillation an unfavorable way to remove the water from ... Read More

A Scientific Analysis of Pinacol Rearrangement Experiment (543 words, 4 pages)

Pinacol RearrangementThe purpose of this experiment was to place a sample of pinacol through conditions that produce a rearrangement of within its structure, producing pinacolone. This was accomplished by distillation using sulfuric acid and heat. The pinacolone was tested and confirmed by running an IR on the product. This experiment ... Read More

The Different Views on the Use of Batteries (884 words, 4 pages)

Every electronic device you use contains batteries. In the morning the alarm that wakes you up contains them, then when you use your cellphone (which has a battery), your car to go to work, your laptop for homework, a small tablet to read, when you get home you use control ... Read More

Thomas Midgley and Charles Kettering’s Introduction of Tetraethyl Lead as an Alternative to Ethanol (438 words, 3 pages)

The use of lead has been gradually phased out progressively over the years, but one must never forget why that is. Tetraethyl lead was introduced as an alternative to ethanol by two scientists, Thomas Midgley and Charles Kettering. Even though the corroboration indicates various culprits. It is apparent that the ... Read More

An Experiment to See the Effect of Enzyme Catalysis With Peroxidase on a Reaction (427 words, 4 pages)

AimThe main purpose of conducting this experiment was to see the effect of enzyme catalysis with peroxidase on a reaction. We observed this effect using a calibrated spectrophotometer. We also observed the effect that inhibitors, pH levels, and temperature has on chemical reactions. We observed how these different factors can ... Read More

An Experiment to Indicate the Presence of Certain Organic Compounds Within Carbohydrates and Amino Acids (794 words, 4 pages)

Lab Report 3AimThe main purpose of conducting this experiment was to indicate the presence of certain organic compounds within carbohydrates and amino acids. Using certain tests, we can identify if those compounds are present, and put each amino acids or carbohydrate into certain categories. For example, sucrose is a non-reducing ... Read More

An Experiment Using a Spectrophotometer to Learn About the Relationship Between Molarity, Moles, Volume and Their Corresponding Equilibrium Constant in an Aqueous Solution (492 words, 3 pages)

AimThe main purpose of this lab was to help us understand how to use a spectrophotometer, and help us learn the relationship between molarity, moles, volume, and their corresponding equilibrium constant in an aqueous solution. TheoryThe general theory behind the lab presented was that the equilibrium constant for a chemical ... Read More

A Lab Experiment to Understand Stoichiometry; Understanding Moles, Volume, Weight and the Relationship Between All Three (428 words, 3 pages)

AimThe main purpose of conducting this lab was to help us understand stoichiometry, which involves understanding moles, volume, weight, and the relationship between all three. TheoryThe general theory behind the lab presented was that an unknown cation and oxalic acid dihydrate were mixed and it makes a certain salt. If ... Read More

A Lab Experiment to Understand How To Effectively Perform Chromatography (461 words, 2 pages)

Aim The main purpose of conducting this lab was to help us understand how to effectively perform chromatography, as well as further our knowledge on quantitative analysis. Theory The general theory behind the lab presented was that certain compounds have a relatively specific retention time, which is the time that ... Read More

An Experiment to Understand the Relationship Between Organic Compounds and Their Melting Points and Boiling Points (573 words, 3 pages)

AimThe main purpose of conducting this experiment was to help us understand the relationship between organic compounds and their melting points and boiling points. This lab showed us how by adding different ratios of a mixture can vary the melting point, and how we can identify an unknown by measuring ... Read More

An Experiment to Determine the Process of the Synthesis of Aspirin and Law of Conservation of Mass (662 words, 3 pages)

AimThe main purpose of conducting this experiment was to see the process of the synthesis of aspirin and to help us understand the law of conservation of mass in the first part of the lab. The second part of the lab, Thin-Layer Chromatography, was conducted in order to identify samples, ... Read More

The Chemistry Involved in Fireworks (408 words, 3 pages)

Everything about fireworks is chemistry on display from the way the shapes, the colors, and the sparks are created. The colors are specific combinations of chemicals that produce beautiful color flames. The sparks are small pieces of fuel that continue to burn in the air. Every firework composition has at ... Read More

An Experiment on the Use of Shear Thickening Non-Newtonian Fluids (3501 words, 15 pages)

Literature Review A The great philosopher and scientist, Aristotle, once wrote that in order to fully understand something you must understand its beginnings (1). The earliest, most elementary material and the building blocks of every physical object in the universe, atomic particles, came to be in the very first moments ... Read More

Citric Acid a Weak Organic Acid (582 words, 2 pages)

Citric acid is a weak organic acid whose formula is C6H8O7, it is a natural preservativeconservation and is also used to add an acidic, or sour, taste to foods and soft drinks. Nearly all living things contain citric acid and also produced by many living organisms, such as mold. It ... Read More

The Occurance of Radioactive Decay (1702 words, 9 pages)

Radioactive decay occurs when an energetically unstable nuclei stabilizes itself by decaying into a stable state. Unstable nuclei are considered as such when it has excess energy that needs to be imparted. These nuclei are called radionuclide or radioactive nuclides because they release this energy via a radioactive decay resulting ... Read More

An Introduction to Radiocarbon Dating (2309 words, 12 pages)

Introduction to Radiocarbon DatingIn 1960, Willard Frank Libby won the Nobel Prize for Chemistry in 1960 for his method to use Carbon-14 for age determinations in archaeology, geology, geophysics, and other branches of science (Taylor 1987ix). Since then, it has become the main tool for dating archaeological, palaeobotanical and geological ... Read More

The Disappearing Spoon by Sam Kean (1089 words, 3 pages)

Killing Godzilla, Fool's Fool's Gold, and Life on Other Planets What I Learned About 3 Elements The Disappearing Spoon by Sam Kean is about the stories behind theelements that make up the periodic table. Three elements that werediscussed in this book are cadmium, tellurium, and magnesium. Cadmium hasthe atomic number ... Read More

Biologically Inspired Adhesives (1794 words, 8 pages)

Biologically Inspired AdhesivesMarine bioadhesives have been used as fabric since Classical antiquity and have garnered much attention from the industrial and medical worlds lately. Their strength has been determined to outclass that of most other modern adhesives, while their biotoxicity is comparatively negligible. Adhesives occurring in nature generally fall into ... Read More

Review of the Article CO2 Capture Using Phase-Changing Sorbents (503 words, 2 pages)

Review of the article CO2 Capture Using Phase-Changing SorbentsA research carried out by Robert Perry and his colleagues aimed to develop a cost-efficient process that will utilize aminosilicones to reduce the emission of carbon dioxide in coal-burning power plants. One major anticipated benefit of this proposed technology is that it ... Read More

Lab Experiment to Explore and Verify the Euler Buckling Equation (1355 words, 13 pages)

The purpose of this lab was to explore and verify the Euler buckling equation. In the lab, three steel columns of varying lengths were subjected to axial loads. For each column, the estimated critical load was found first. Next, loads were applied incrementally to the column and deflection of the ... Read More

An Analysis of the Effect of Copper Sulfate on Sodium Tetraborate Crystal Growth (4490 words, 18 pages)

AbstractThe purpose of this experiment is to test the effect of copper sulfate on sodium tetraborate crystal growth. The independent variable of our experiment was the amount of copper sulfate added to the solution, whereas the dependent variable in this experiment was the mass and the appearance of the crystals, ... Read More

An Experiment on Wax’s Heat of Combustion (836 words, 4 pages)

ABSTRACTThe purpose of this experiment was to find the heat of combustion of wax through an experiment. From this experiment, it was determined that the heat of combustion was 0.418 kJg. Calorimetry, the formula, and heat combustion will be discussed. It was concluded that the hypothesis for an effective procedure ... Read More

The Relationship That Exists between the Pressure and Volume of a Gas Held at a Constant Temperature (979 words, 6 pages)

The purpose of this experiment was to observe the relationship that exists between the pressure and volume of a gas held at a constant temperature. Effectively, the experiment was analyzing Boyles Law, a special case of the Ideal Gas Law. It is hypothesized that the experiment will yield results according ... Read More

The Use of Methods of Modern Titration to Porperly Determine the Soda’s Citric Acid (1380 words, 5 pages)

Using Methods of Titration to Quantitatively Determine Citric Acid in SodaMethodsTraditional Titration 7Up (40 mL) First, the stopcock was closed. 5-10 mL of 0.0466 M NaOH were placed into the buret, with the use of a funnel. The buret, which was held with a ring stand, was rotated, and the ... Read More

Chemistry Essay Examples