Free essays on Chemical Reaction are academic papers that offer insights into various aspects of chemical reactions. These essays cover topics such as the importance of chemical reactions in our daily lives, the different types of chemical reactions, the factors that influence chemical reactions, and the role of catalysts in chemical reactions. Some essays also explore the applications of chemical reactions in industries such as pharmaceuticals, agriculture, and energy. These essays are written by experts in the field and are available for free online. They can be accessed by students, researchers, and anyone else interested in learning more about chemical reactions.
Luminol Synthesis
Abstract: Chemiluminescence occurs in nature and can be found in everyday products. For example, the light omitted by fireflies, deep sea fish and glow sticks is a result of this process. Luminol was synthesized from from 3-nitrophthalic acid and then combined with potassium ferricyanide and hydrogen peroxide to omit a blue light. The product of this reaction is very unstable and is made by losing a nitrogen and the electrons go from an excited state to ground state and energy…...
Chemical ReactionChemistryMaterials
Culminating Task
“Chemistry; the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.” Introduction Generally, chemistry is the study of substances, compounds, and the ways they’re created. Chemical equations represent what occurs in a chemical reaction. A chemical reaction is made up of reactants and products. The reactants are the…...
ChangeChemical ReactionChemistryMaterials
Bromination Of Alkene Lab Report
Marta Gebregziabher Discussion and Conclusion: Addition reaction of Alkenes: Bromination of (E)-Stilbene 1. Addition reaction is a reaction that involved two molecules that combine to make a larger product. Addition reaction has two main types, electrophilic addition and nucleophilic addition. An electrophilic reaction is when the pi bond of a molecule is removed to make two covalent bonds that are bonded to two new molecules. A nucleophillic addition is a reaction that removed the pi bond from a molecule and…...
Chemical ReactionChemistryMaterials
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Essay Example on Ib Biology Enzyme Lab Ideas
Investigating the effect of changing substrate concentration on the activity of the enzyme catalane The aim of this experiment is to examine how the concentration of a substrate (hydrogen peroxide) affects the rate of reaction of an enzyme catalyst (found in liver cells) Research Question: how does changing the concentration of the substrate affect the rate of reaction of the enzyme catalyst? Hypothesis: As the concentration of the substrate increases, so does the rate of reaction until the reaction reaches…...
Chemical ReactionChemistryEnzymeExperimentWater
Endothermic And Exothermic Reactions Lab Conclusion
In endothermic reactions heat Vass absorbed. This avgas discerned by the temperature drop and the test tube became cool to touchy Reactions such as ‘Potassium Chloride crystals [s] Water were. Some vigorous reactions {reactions that occurred at a fast pace} were ‘Sodium Hydroxide [I] * Dilute hydrochloric acid [as]’, ‘Sodium Carbonate [s] + Ethanol Acid [l]’ and ‘Magnesium ribbon [s] Dilute Sulfuric Acid [I]’ (mostly reactions involving strong acids + throng bases}. There was no sound or light given off…...
Chemical ReactionChemistryMaterials
Agar Cell Diffusion Lab Report
Hypothesis: I expect to find that when the surface area o volume of a cell reaches a certain level, diffusion alone won’t be able to supply the cell materials needed, and as single-celled organisms take in and release substances by means of diffusion across the cell membrane, this process limits cell size. I predict that as the rate of diffusion will be too slow to deliver materials to the center of the cell in the larger cells, it could result…...
BiologyCellChemical ReactionChemistryDiffusionExperiment
Magnesium Oxide Experiment Lab Report
One objective was to figure out if the burnt MGM ashes weigh more than the product which is Magnesium Metal. Another objective was determining the formula of the compound that results when Magnesium and Oxygen react. Theory: The purpose of this lab was to confirm the chemical formula of magnesium oxide by comparing the masses Of pure magnesium solid prior to any reaction and magnesium oxide solid after a reaction between all of the magnesium and oxygen from the air…...
Chemical ReactionChemistryMaterialsOxygenWater
Organic reactions and mechanisms report 1
center53657500Organic Reactions & Mechanisms Lab Report 1Experiment 2Chloe Condon, X00147696, DNA & Forensic Analysis3rd October 2019Date of Practical:3rd October 2019Title of PracticalPreparation of 4-vinylbenzoic acid by a Wittig reaction in an aqueous medium.Lab partners:Meagan Dooley, Emma EganIntroduction:The Wittig reaction involves the reaction of an aldehyde or ketone with an ylide that is generated from a phosphonium salt, in order to produce an alkene [1]. An ylide is a neutral molecule that has positive and negative charges on adjacent atoms and…...
Chemical ReactionChemistryHydrogenMaterialsWater
Concentration’s effect on Mg and HCl reaction rate
In this investigation I will be measuring the rate of reaction between magnesium and hydrochloric acid. The rate of a reaction tells us how quickly a chemical reaction happens. Reaction Rate = change in volume, mass or concentration of substance Time taken There are two ways to measure the rate of a reaction, by observing how quickly the reactants are used up or by observing how quickly the products are formed. Measurements of the rate of reaction can be taken…...
Chemical ReactionChemistryEnergyMaterialsPhysics
Synthesis of Cinnamaldehyde
Paper on Cinnamaldehyde Synthesis I. Introduction Cinnamaldehyde, cinnamic aldehyde or 3-phenyl-2-propenal is the major constituent of cinnamon oil, extracted from several species of Cinnamomum (C. verum, C. burmanii, C. cassia), under the family Lauraceae, a group of evergreen trees. Cinnamon bark (particularly C. verum) yields 0. 4-0. % oil, which contains 60-80% cinnamaldehyde, 4-5% sesquiterpenoids (? -humulene, ? -caryophyllene, limonene and others), eugenol, cinnamyl acetate, eugenol acetate, cinnamyl alcohol, methyl eugenol, benzaldehyde, benzyl benzoate, cuminaldehyde, monoterpenes (linalool, pinene, phellandrene and…...
Chemical ReactionChemistry
Enzyme Catalase
The following example essay on "Enzyme Catalase" describes a substance that catalyzes the decomposition of hydrogen peroxide formed during biological oxidation into water and molecular oxygen and is found in almost all organisms, and is involved in tissue respiration. Enzymes are proteins that function as biological catalysts (Perry, Morton 2007). They maintain the body’s stable internal balance, and without them life would be impossible (Sullivan, 2013). Enzymes are capable of speeding up reactions that otherwise would happen at a slower…...
BiologyCatChangeChemical ReactionChemistryEnzyme
Copper Iron Stoichiometry Lab Report
The two possible balanced reactions are - Cuscus (aqua) + Fee(s) Cue(s) + Feces (aqua) [I] cuscus (aqua) + fee(s) ICC(s) + [II] Through the possible reactions, one of the best way to determine which one is the correct reaction pertaining to the lab is limiting reagent analysis, where mass of copper is quantitatively determined or by observations. Through the process of weighing by difference as suggested by the lab manual, anhydrous copper sulfate and iron powder were weighed out.…...
Chemical ReactionChemistryMaterials
Determining the Molecular Weight of a Volatile Liquid
The following sample essay on Determining the Molecular Weight of a Volatile Liquid. In today's society, many products are designed to undergo many chemical reactions before the desired product(s) is created. This principle, also known as chemical synthesis, is an integral part in the operation of products such as an automobile airbag. Beginning with the releasing of nitrogen gas to inflate the bag and ending with the production of Na2SiO3 and K2SiO3, the airbag is an excellent example of how…...
Chemical ReactionChemistryCopperMaterialsSodiumWater
The Arrhenius Equation and Activation Energy
In this lab, our task is to determine how different degrees of temperature affect reaction rates. A Swedish chemist, named Svante Arrhenius discovered the relationship between temperature and reaction rate. In finding this relationship a new equation was formed called the Arrhenius Equation: Reaction rate constant k = A e -Ea/RT The factor A represents the frequency of collisions between two molecules in the proper orientation for reactions to occur. The value of A is determined by experiment and will be different for…...
ChangeChemical ReactionChemistryPhysics
Sodium Borohydride Reduction: Diphenylmethanol from Benzophenone
Megan Entwistle, Maria Amos, and Paul Golubic CHEM 0330 Organic Lab 1 Sodium Borohydride Reduction: Diphenylmethanol from Benzophenone 11/16/11 Introduction Redox (shorthand for REDuction-OXidation) reactions are chemical reactions in which the oxidation state (or oxidation number) of atoms has changed. Oxidation can be observed through the loss of electrons or an increase in oxidation state by an atom, ion or molecule. Reduction describes the gain of electrons or decrease in oxidation state of an atom, ion or molecule. However, there…...
AlcoholChemical ReactionChemistryHydrogenMaterials
Furagin: Forced Degradation Studies
Furagin: Forced Degradation SurveiesIndexIndex of FiguresIndex of TablesAbstractionKeywordsAbbreviations1.Introduction1.1.Forced debasement surveies1.1.1. Overview of regulative counsel1.1.2. Review of bing literature and different attacks1.2.Furagin1.2.1. Chemical and Physical Information1.2.2. Pharmaceutical Information1.2.3. Impurities2.Aim of the Study3.Method3.1.Equipment and stuffs3.1.1 Method AHPLC/AUPLC3.1.2 Method B3.2.Reagents3.2.1 Method AHPLC/AUPLC3.2.2 Method B3.3.Working criterions3.3.1 Method AHPLC/AUPLC3.3.2 Method B3.4.Preparation of the solutions3.4.1 Method AHPLC/AUPLC3.4.2 Method B3.5.Chromatographic conditions3.5.1 HPLC conditions – Method AHPLC3.5.2 UPLC conditions – Method AUPLC3.5.3 UPLC conditions – Method B3.6.Injection Sequence and System Suitability3.7.Calculation and look of the consequences3.7.1 Method standardization3.7.2…...
Chemical ReactionChemistryPhPharmaceutical IndustryWater
Experiement to test for anions and cations
The aim of the experiment is to test an unknown substance with a variety of experimental methods, by doing this the identity of the substance will be known. The two types of different testing methods will be anions and cations. Cations are positively charged ions; this is because the atom looses an electron during a reaction, therefore having fewer electrons than protons. Anions are negatively charged ions, as the atom gains an electron during a reaction, therefore having more electrons…...
CatChemical ReactionChemistryFamilyMaterials
Effect of Concentration on the Rate of Reaction
In this experiment, we utilized the ability for the iodide ion to become oxidized by the persulphate ion. Our general reaction can be described as: (NH4)2S2O8 + 2KI A I2 + (NH4)2SO4 + K2SO4 (1a) However, we know that in an aqueous solution, all of these compounds except iodine will dissociate into their ionic components. Thus we can rewrite the equation in a more convenient manner: S2O82- + 2I- A I2 + 2SO42- (1b) It is important however to note…...
Chemical ReactionChemistryExperiment
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