Chemistry

Titration Technique Used to Determine the Accuracy of the Product’s Labels

Introduction Quality control is an extremely important part of any consumer or commercial product. Quality control is the process of checking and testing goods during and after production to be sure that they have been produced correctly and accurately, with the appropriate amounts of the proper chemicals and substances. Quality control leads to the accuracy …

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The Experiment Results on Determination of Morality of an Unknown Solution in an Acid-Base Titration

Acid-base titrations with sodium hydroxide and acetic acid Introduction Titrations 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 hydroxide, which is …

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The Use Of Hess Law To Determine The Reaction Of Heat When Sodium Solution Is Mixed With Diluted Hydrochloric Acid

Internal Assessment: Hess’s Law DESIGN: Research Question: How can the heat of reaction of two separate equations be combined using Hess’s Law to determine the hear of reaction of sodium hydroxide solution with dilute hydrochloric acid? Introduction: Hess’s Law has been the basis of thermochemistry for the past century. It states that the total enthalpy …

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Effect of Sodium Chloride on Rust

Corrosion is the breaking down or destruction of a material, especially a metal, through chemical reactions. the most common form of corrosion is rust which occurs when iron combines with oxygen and water.”(Dictionary.com, 2018) “like pure iron, corrode quickly. Stainless steel, however, which combines iron and other alloys, is slower to corrode and is therefore …

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An Examination Of The 1,2-Diphenyl-1,2-Ethanediol Synthesis Through The Reduction Of Benzoin In Sodium Borohydride

To carry out the sodium borohydride reduction, 1.0g benzoin previously synthesized was combined in a 125mL Erlenmeyer flask with 15mL 100% ethanol and 250mg sodium borohydride. The flask was stirred on a magnetic stir plate for 15min. After 15 minutes, a thin-layer chromatography (TLC) analysis was performed to check for reaction completeness. The TLC developing …

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An Experiment On Water’s Surface Tension In Different Sodium Chloride Concentration

Surface Tension Abstract: To determine the surface tension of water with different concentrations of sodium chloride, capillary rise was examined. This was done by examining the height a liquid rose in a capillary depending on the concentration. The liquid was but in an apparatus containing the capillary, and the system was disrupted and the let …

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The origins and uses of salt

Table salt or common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite. Salt is present in vast quantities in seawater, where it is the main mineral constituent. …

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Evaluating The Strategy Used By The Company In Overt And Covert Application Of Salt

Question one In my opinion, the company’s approach towards the overt and covert salt application by the members was in line to the recommended counter-salting steps to be followed by employers. The company treated both the applicants fairly by sticking to the qualification that was required during the recruitment process. To start with, the company …

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An Argument In Favor Of Adding Warning On The Effects Of Salt In Hotel Menus

Restaurant Group Sues New York Over New Salt- Warning Label New York City has recently added warning labels for salt intake to many chain food restaurants. This was done by food regulators in hopes to educate people on what they are eating. However, the restaurants are planning to sue claiming that these regulations are overstepping …

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What is pH?

“ Before delving into the adverse effects of changes of pH in our body it’s important to understand what pH is. pH is a measure of hydrogen ion concentration or how acidic or alkaline a substance is on a scale ranging from 1 to 14. In fact the different parts of our body have varied …

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How Water Or Maple Syrup Affects A Shell Less Egg Through Osmosis And Diffusion

Egg Lab Objective: To use the properties of both diffusion and osmosis to see the affects of either maple syrup or water on a shell-less raw egg over a three day period. Also, applying properties hypotonic, hypertonic, and isotonic solutions. Problem: How does a water solution and a syrup solution affect a cell’s mass? Hypothesis: …

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Estimating water potential

When and by whom was osmosis discovered? Osmosis was discovered by a French physiologist Henri Dutrochet in 1826. What is osmosis? Osmosis is the spontaneous transference of water molecules through a semi-permeable membrane from a weak or dilute solution to a strong concentration, to equalize the amount of H20 on both side reaching an equilibrium. …

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A Study Of The Use Of Osmosis On Dialysis Tube In Fresh And Salt Water Environments

THE EFFECTS ON OSMOSIS THROUGH A DIALYSIS TUBE DUE IN SALT AND FRESH WATER ENVIRONMENTS Cells have been loosely defined as the building blocks of all living things. All cells are contained by cellular membranes, which provide structure for the cell (Cooper. G, 2000). The cell membrane is a semi permeable membrane that surrounds the …

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Hydrogen as a form of energy

Hydrogen is an environmentally friendly energy carrier. As fuel for fuel cells, there is no emission other than clean water. Fuel cells convert hydrogen and oxygen electrochemically to water, and in this process electricity is generated. Hydrogen is also a flexible energy carrier that can be used in combustion engines with minimal emissions. Hydrogen is …

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The Reaction Rates of Iodide Ion, Bromate Ion, and Hydrogen Ion

Purpose: The lab seeks to investigate rates of reactions, practice measuring them using the microscale technique, and examine how reaction rates change depending on various conditions. Procedure: (See citation for materials list and experimental procedures). Vonderbrink, Sally Ann. “Kinetics of a Reaction – Experiment 12.” Laboratory Experiments for Advanced Placement Chemistry, Second Edition. Flinn Scientific, …

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Spirulina: Characteristics, Production And Applications

The blue green algae are the primitive members of the plant kingdom. The most of the blue-greens algae are unicellular, photoautotrophs and aerobic. They require mainly light, inorganic matter and oxygen for their growth. Spirulina are filamentous blue-green algae (cyanobacteria) always attracted the interest of researchers because they have simple cellular structure with a large …

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The Impact Of Hydrocarbon Emplacement On Carbonate Diagenesis

Introduction Diagenesis has been described as a term that encompasses all the arrays of biological, physical and chemical processes, that act and transform sediments from the initial stage of deposition until just before metamorphism. Nader (2017). The significant role of diagenesis in geological systems in creating and destroying porosity via dissolution and pore occluding cementation, …

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The Two-Step Organic Synthesis of 4-Bromoaceanilide and how Green Chemistry Principles Apply

The Use of Green Chemistry Principles in Analyzing the Synthesis of 4-Bromoacetanilide Abstract This experiment was completed with the purpose to utilize the principles of green chemistry in the analysis of the two-step organic synthesis of 4-bromoaceanilide. This experiment was relevant because of the importance of green chemistry principles in regards to environmental and human …

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Greenhouse-Gas Emissions From Soils Increased By Earthworms 

Vangent Night crawlers have a fundamental impact in deciding the ozone depleting substance parity of soils around the world, and their impact is relied upon to develop throughout the following decades. They are thought to fortify carbon sequestration in soil totals, yet in addition to expand outflows of the fundamental ozone depleting substances carbon dioxide …

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How insulin helps ill people

Insulin is a hormone secreted by the gland called pancreas with the help of insulin, glucose in the human body is broken down into energy and water, in case of excess glucose, it converts into fat and stored in the body. Insulin helps to maintain blood sugar at the desirable level. The condition caused when …

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Jerome Radcliffe’s Continuous Glucose Monitor Analsis: A Critical Review

Diabetes is a disease in which the body has a shortage of insulin, a decreased capacity to use insulin, or both. People with this disease have to administer a synthetic insulin replacement into the body to regulate and stabilize their blood-sugar level. The traditional insulin delivery method is through injection by a needle and syringe. …

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How the Use of Yeast Enzymes to Glucose Substrate has Imporved Fermentation Processes

Abstract This paper identifies the proper methods and procedures used to obtain clear data proving our hypothesis that carbon dioxide levels increase as you add a yeast enzyme to a glucose substrate. The data in the paper shows correlation; specifically that over time carbon dioxide levels rise. The causation in the paper can be deduced …

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The Process of Fermentation of Sugar and Distillation in Ethanol and Carbon Dioxide

Objective The objective of this lab is to transform sugar by yeast into ethanol and carbon dioxide using fermentation of sugar and distillation (To separate ethanol from fermentation mixture). Another purpose that took place in this lab was to introduce “green” principles of chemistry. Theory ^The first step in the fermentation of disaccharides (such as …

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Saving GHG emissions

In addition to save GHG emissions, the greatest advantage of ethanol as a fuel for spark ignition (SI) engines is perhaps its high-octane number and the ability to withstand high pressures and temperatures without uncontrolled ignition. As the efficiency of SI engines mainly depends on the compression ratio and high‐octane fuels are particularly suitable for …

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GHG discharges

Notwithstanding spare GHG discharges, the best preferred standpoint of ethanol as a fuel for start (SI) motors is maybe its high-octane number and the capacity to withstand high weights and temperatures without uncontrolled start. As the proficiency of SI motors primarily relies upon the pressure proportion and high‐octane powers are especially appropriate for high pressure …

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Ethanol use in CI motors

Ethanol is for the most part mixed with gas as opposed to with diesel on account of its low capacity to touch off under strain (i.e. low cetane rating). Be that as it may, diesel-ethanol mixes up to 95% ethanol (E95) can be and are likewise utilized as a part of CI motors. This is …

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Demonstration of Different Biological Events: Diffusion and Osmosis

Introduction Homeostasis, the tendency of an organism to maintain a stable, constant environment, is a fundamental characteristic of all living systems. Diffusion and osmosis are two biological processes that promote homeostasis. Diffusion is the ability of a substance to dissipate to equilibrium in a media (Lange 2015). Osmosis is the flow of water across a …

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Evaluation of the Influence of Technology on the Spread of Cultural Beliefs in Society

As technological advances and innovational improvements begin to have a global-scale effect on the homogenization of cultures, various societies around the world are showing growing evidence of quick cultural convergence and acculturation. Whether or not this process is perceived as a benefit for society or the downfall of uniqueness within the human population, all social …

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Antiquated Mysteries of Copper

Copper is one of the primary metals utilized by people. Beginning at about 5000 BC, the Copper Age, or Chalcolithic period, saw a radical progress from the crude stone innovation of the Neolithic to the metal-crazed Bronze Age. For centuries, copper was the chief motor of the world economy. The most inexhaustible ancient metal antiquities, …

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How to improve concentration

This post – How to improve concentration – gives the readers some tips and tricks on how to improve concentration by applying some simple methods. The word concentration may be defined as getting one’s mind away from the distracting and disturbing things and focus the mind on one focus point at a time. Concentration helps …

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