Chemistry is a branch of science that describes the contents of evidence, principles, laws, hypotheses obtained through the method and scientific analysis of nature, structure, reaction, and changes in energy and material. Chemical kinetics, the branch of physical chemistry involved in understanding chemical reaction rates. Chemical kinetics is the clock of time. Chemical kinetics includes many facets of cosmology, geology,...
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Introduction Stoichiometry is the section of chemistry that contains relationships between either reactants and/or products in a chemical reaction to assist in determining the required quantitative data (Nijmeh 2008, p1). Stoichiometry is used by chemists to give a detailed explanation on how much of certain materials are required in order to make a certain number of given products (Kailasa 2005,...
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Rationale There are chemical reactions occurring all around us and without them, even humans would not be able to live. Chemical reactions have major factors that affect the rate of the reaction; temperature is one of those major factors. For example, bread dough rises more quickly in a warm place instead of a cool one, and warm-blooded animals regulate their...
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Introduction The purpose of this investigation was to find the quantitative data for the reaction between a solution of Sodium iodide and a solution of Lead (II) nitrate. This was done by finding when the limiting reactant changed from one solution to the other. To achieve this, one of the two reactants in the experiment was chosen to maintain the...
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Introduction In the realm of inorganic chemistry, the compounds potassium ferricyanide (K3Fe(CN)6) and ferric chloride (FeCl3) hold significant importance due to their diverse applications and distinct properties. While both compounds contain iron, their chemical behavior, structure, and utility vary greatly. This essay provides a detailed comparative analysis of K3Fe(CN)6 and FeCl3, exploring their chemical properties, industrial applications, and safety considerations....
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Rationale The main component of marble chips is calcium carbonate, CaCO3, which is an alkaline compound. With this property, marble chips are generally used as an acid neutralization material in many real-life applications, such as streams, lakes and soils where there is a certain level of acidity (Pol, 2020). When CaCO3 reacts with acid, for example hydrochloric acid (HCl), a...
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I chose to study chemistry as part of a of a science degree with mathematics being my major area of study. Knowledge of basic maths is essential for understanding chemical processes and solving chemical problems. Stoichiometry is a great example of this as every step involves some level of maths, from balancing chemical equations to unit conversions. A strong parallel...
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Computer hardware consists of physical parts of the computer which includes CPU’s (central processing units), motherboard, graphics card, CPU cooler, hard drive or SSD (solid state drive), RAM (random access memory) as well as, computer peripherals which include: monitors, computer mouse, and the keyboard. The use of chemistry makes it possible to improve computer hardware by the use of chemical...
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Chemistry plays a crucial role in keeping us healthy throughout our lifetime. Nowadays we 're living longer and healthier lives thanks to the large innovations primarily driven by the chemistry industry. The body luckily operates on its own due to the chemical reactions which are constantly occurring in our body, allowing for humans to only have the responsibility of sleeping...
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Our human health and the global environment are threatened by the adverse effects of development in different field of science. Our bodies are contaminated with a large number of synthetic industrial chemicals, many of which are known to be toxic and carcinogenic while others remain untested for their health effects. They come to us from unlabeled products, chemically contaminated food,...
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Abstract Rosaniline hydrochloride (RH) is a triaminotriphenyl methane dye, which is widely used as biological stain, mordant, printing, in cotton tannings, and dyeing in textile industry. The reaction obeys first order kinetics with respect to RH and IO4-. The reaction is around hundred times faster in the presence of CTAB compared to aqueous medium under identical conditions. This is due...
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Chemistry is concerned with the complex arrangements and substances of which all of matter is made from. How these molecules react with other molecules and energy has given us our understanding of the universe as it is known. Therefore, I believe it is correct to view chemistry as a “central science”. Chemistry’s importance can be seen throughout most scientific disciplines....
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The original experiment qualitatively examined the effect of concentration on the rate of reaction. This experiment occurred by measuring two concentrations (0.5M and 1M) of hydrochloric acid (HCl) in both powder and solid form 10g of Calcium Carbonate affected the rate of reaction. The original experiment consisted of only one trial and two concentrations of hydrochloric acid (HCl). This led...
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INTRODUCTION Gene is that the elementary physical and sensible unit of heredity. Genes square measure comprised of desoxyribonucleic acid. many genes move as pointers to create particles referred to as proteins. In any case, various qualities do not code for proteins. In people, qualities fluctuate in size from some of hundred desoxyribonucleic acid bases to in more than two million...
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Introduction Analytical chemistry considers and employs a variety of equipment and methods in order to separate, identify and quantify matter. After the first flame tests in 1860, the importance of qualitative and quantitative analysis has been identified and major advancements have been made with many of the spectroscopic and spectrometric methods only being refined in the late 20th century. One...
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Chemical kinetics Kinetics of a chemical is a significant method in physical chemistry. The term kinetics means motion study. In chemical kinetics we study about the reaction. Temperature and concentrations are two variables that are affected by it. Formation and deformation of bonds and formation of products also describes by it. Explanation Chemical kinetics is also used to calculate many...
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Rationale The big issue is that I want to see if chemical reactions will happen faster if they happen at different temperatures. So, I will see if iodine solution and starch solution will react faster if they are at room temperature, at 40 degrees and if they are cold. So, I will be recreating the Iodine Test Background Research: The...
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One thing I have always loved to do is bake for all my friends and family. In high school, I was known for my s’more cookies and I would bake them every Thursday night and pass them out around school. Little did I know then that baking can be broken down to a bunch of different chemical reactions through the...
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Abstract The experiment that was performed over two weeks served to examine how the amount of enzyme, amount of substrate, presence of inhibitor, or the magnitude of temperature changes the reaction rate between the enzyme and substrate present. The enzyme used in these experiments was peroxidase which was extracted from turnips and placed in flasks to be transferred into tubes...
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Introduction In our IB biology class, we’ve learned about enzymatic reaction and we’ve done the experiment on that unit. The experiment was about the rate of enzymatic reaction of lactosemilk by using an enzyme called lactase at different temperatures. At different temperatures, the rate of reaction changed. I was interested in this topic because there were more factors, not only...
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Have you ever wondered how fireworks actually work? Fireworks have been used for centuries as a source of entertainment, a method of communication and for religious reasons. Fireworks were invented in China. The earliest fireworks were made from hollow bamboo stalks filled with a simple chemical composition called ‘black powder’. This powder produces a small exploding reaction when ignited. In...
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July 2015 my father was diagnosed with stage five kidney failure and heart failure; I remember thinking these illnesses were rare. I’ve come to find out that they aren't rare at all, the sad truth is that many people all around the world suffer from kidney disease and more severely kidney failure. There are three common treatments to combat these...
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Introduction The dehydration of cyclohexanol to cyclohexene is a fundamental organic chemistry reaction that serves as a critical educational tool for students in understanding elimination reactions, reaction mechanisms, and the practical aspects of laboratory work. This essay explores the methodology, results, and implications of a lab experiment focusing on the acid-catalyzed dehydration of cyclohexanol. By examining various aspects of the...
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Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions. You know everything in universe, whatever you can see, touch, feel or smell is matter. It is about anything containing weight and occupies space. Chairs are matter, table is matter, walls, room, fan, black board, chalk, and in fact everything that is present around...
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Alka-Seltzer, a well-known effervescent antacid and pain reliever, has been a staple in medicine cabinets for over 90 years. The product, initially developed by Dr. Maurice Treneer in 1931, was designed to provide relief for indigestion, heartburn, and minor aches and pains. This essay aims to provide a comprehensive analysis of Alka-Seltzer, delving into its chemical composition, mechanism of action,...
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The Alka-Seltzer tablet, a household staple for treating heartburn and indigestion, serves as a fascinating subject for chemical experimentation. This investigation aimed to explore the reaction rates and gas production of Alka-Seltzer tablets when dissolved in water under various conditions. By understanding the underlying chemical processes, one can gain a deeper appreciation for everyday items and their scientific significance. Experimental...
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Introduction Bomb calorimetry is a fundamental technique in thermochemistry used to measure the energy content of substances through combustion. The method involves burning a sample in a high-pressure, oxygen-rich environment within a bomb calorimeter, a device designed to contain the reaction and measure the heat produced. This technique is widely employed in various scientific fields, including nutrition, material science, and...
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Abstract Previous findings suggest that Lithium Chloride (LiCl) treats the Manic episodes of Bipolar disorder by alleviating risk-taking behavior. To alter the risk-taking behavior, Lithium chloride (LiCl) is administered and then regulated by Sodium Chloride (NaCl) intake. This experiment was conducted on rats to observe the effect of LiCl consumption on their movements. The rats were given lithium chloride and...
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The Periodic Table and Periodic Trends Introduction Periodic trends are plans that appear within the occasional table that lay out different viewpoints of a certain component, tallying its gauge and its electronic properties. Major occasional patterns incorporate electro-negativity, ionization imperativeness, electron enjoying, atomic clear, dissolving point, metallic character, and ionic clear. Intermittent patterns, developing from the course of activity of...
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The chemistry in forensic techniques is very important, and is a necessity in our world today. Forensics techniques are applied in many different ways. Although it is often forgotten, every person leaves behind a small part of their individual self wherever they happen to go without even realizing it. For this reason, forensics are often the key factor in providing...
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