Science Essays

Abstract The Wittig Reaction is a nucleophilic addition in which an alkene is formed as a product. Both the E and Z isomers of the alkene result. Substituents on the aromatic aldehyde affect the E/Z ratio of products that form. In this experiment, a nitro group was used as the substituent in the ortho, meta […]

In a redox reaction, one atom or molecule loses electrons while another gains electrons. In organic reactions, the gain or loss of electrons is not always clear. Consequently, organic chemists define redox in terms of the loss or gain of carbon-hydrogen bonds. Organic oxidation is defined as the loss of carbon-hydrogen bonds, while organic reduction […]

It is believed that the positively charged chlorine (Cl+) originated from the heterolytic bond cleavage of chlorine during the first step of the hypochlorite oxidation reaction mechanism, which converted endo-borneol to camphor. The initial step involved the replacement of a hydroxyl proton with positively charged chlorine, followed by an E2 elimination of HCI from alkyl […]

Carbon monoxide (CO) is a gas that cannot be seen, tasted or smelled. It is slightly less dense than air and has the potential to be harmful to humans and animals when present in high concentrations. Accidental poisoning from CO causes up to 430 deaths annually in the US. However, this gas is also produced […]

“And God said, let there be light and there was light and then God saw the light, that it was good ” ( Genesis 1: 3-4 ). Undoubtedly, light is good. Without light man could not survive. Light is the ultimate cosmic force in this universe allowing man to progress and flourish. In the form […]

The Consulting Chemists Institute has been asked to analyse the drug readying of Aspirin to happen out what per centums of acetylsalicylic acid. saccharose. and drug readying. The intent of this experiment was to find the unknown constituent of panacetin. Panacetin contains acetylsalicylic acid. saccharose. and an unknown constituent. Dichloromate reacts with Panacetin to bring […]

Introduction This portion presents a synopsis of the current employment situation, including objectives, scope, and limitations. The importance of the survey which includes the definition of footings and conceptual model is discussed in this text. Additionally, the background of the survey is provided, indicating that students in various areas of Dasmarinas are facing difficulties in […]

Introduction: Without carbon, nitrogen, hydrogen, sulfur, oxygen and phosphorus, life wouldn’t exist. These are the most abundant elements in living organisms. These elements are held together by covalent bonds, ionic bonds, hydrogen bonds, and disulfide bonds. Covalent bonds are especially strong, thus, are present in monomers, the building blocks of life. These monomers combine to […]

Ozone, also known as O3, is composed of three oxygen atoms, while the oxygen we inhale, O2, consists of only two atoms. In the upper atmosphere’s high region called the stratosphere, light rays cause oxygen molecules to separate into single oxygen atoms. These individual oxygen atoms are highly reactive and can combine with breathable oxygen […]

SCH 4UI Abstract The Hydroxyl group on alcohols relates to their reactivity. This concept was explored by answering the question “Does each alcohol undergo halogenation and controlled oxidation? ” . Using three isomers of butanol; the primary 1-butanol, the secondary 2-butanol and the tertiary 2-methyl-2-propanol, also referred to as T-butanol, two experiments were performed to […]

Macromolecules make up more than 90% of the total cell mass. They are varied in size and composed of monomer units. These macromolecules can be categorized into four main groups: proteins, carbohydrates, lipids, and nucleic acids (Sheeler & Bianchi, 1980). Proteins are essential for determining the shape and structure of cells since they are made […]

This research is devoted to Aromatherapy. This topic was chosen due to the fact that out of diverse complimentary and alternative medicines (CAM) aromatherapy is claimed to have become “the consumer buzzword of the 21st century” (Warda, 2002). The goals of the paper are to review and analyze the existing body of knowledge on advantages […]

Plastic bags do not decompose like biodegradable materials when they are thrown in trash cans. To witness the transformation of plastic bags, simply dispose of them and observe their behavior for a few days. When plastic bags are scattered on the ground, they contribute to water pollution and may eventually enter bodies of water, causing […]

In the year 2100, the planet Earth will be completely uninhabited. No life forms can ever exist in our planet as the atmosphere is no longer conducive to humans, animals, plants, and other species. Nature will take its course and find a way of rehabilitating Earth. This will be the bleak scenario if humans continue […]

Have you ever done the laundry and wondered what was in the detergent you use? Or if you watched a rocket launch into space have you wondered how it can even make it past earth? The answer to those questions is boron (B). Boron is a metalloid element with an atomic number of 5 and […]

Lemon grass, also known as “tanglad”, has a wide range of uses in medicine, cooking, insect repellent, food and beverages, and manufacturing. It possesses antibacterial and antifungal properties and can provide pain relief and reduce fever. Additionally, it acts as an antioxidant while stimulating the uterus and menstrual flow. This study is conducted against the […]

The main thing I stay away from is starchy carbs (no rice, potato, pasta, bread, cereal, etc. ) and sweets (with a cheat day once a month because it’s good for your soul 😀 ). However it’s important to have some carbs (depending what they are) because they’re a great source of energy and certain […]

This industrially important reaction of EAS: The Nitration of Toluene exhibits how the attack of a nitronium ion would give out major and minor products at different positions of toluene. This is an electrophilic substitution mechanism. Mixture of concentrated sulphuric and nitric acid will produce a nitronium ion, which will attack ortho-, meta- and para- […]

pH is the measurement of acidity or alkalinity in the blood. It ranges from 1 to 14, with a pH of 1 indicating extreme acidity and a pH of 14 indicating extreme alkalinity. The optimal blood pH level is approximately 7.4. When the pH falls below 7, it results in excessive acidity which disrupts metabolism […]

Chemistry plays an important part in studying Biology. It answers some questions that Biology could not explain alone. Questions like: How does an organism convert foods for energy? How do plants use sunlight and water into all the things that cells needed to grow and reproduce? How does the basic unit of life passed through […]

Friedel-Crafts acylation of anisole with acetic anhydride was used in this experiement to synthesize 4-methoxyacetophenone with the use of a reflux apparatus. Friedel-Crafts reactions can be done by alkylation, which involves mixing an alkyl or acyl halide with a Lewis acid, or acylation, which is done with acid chlorides or anhydrides(Lefevre). Acylation was used because […]

The purpose of this experiment was to synthesize the Grignard reagent, phenyl magnesium bromide, and then use the manufactured Grignard reagent to synthesize the alcohol, triphenylmethanol, by reacting with benzophenone and protonation by H3O+. The triphenylmethanol was purified by recrystallization. The melting point, Infrared Spectroscopy, 13C NMR, and 1H NMR were used to characterize and […]