Hydrochloric acid

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    Hydrochloric Acid

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    Introduction The objectives in this laboratory were to explore the titrations of several known acids and bases as well as observing the mole reactions of the chemical reactions that each compound undertook. The four following acids and bases were used to predict when a set amount of reactant would reach equilibrium: Hydrochloric Acid (HCl), H2SO4 (Sulfuric Acid), NaOH (Sodium Hydroxide), and Ba(OH)2 (Barium hydroxide). An unbalanced equation of each reaction was given so the balanced equation was then able to be calculated. These are as follows including the theoretical ratio between the acid and base: HCl + NaOH → H2O + NaCl 1:1 H2SO4 + 2NaOH → 2H2O + Na2SO4 1:2 H2SO4 + Ba(OH)2 → 2H2O +BaSO4 1:2 2HCl + Ba(OH)2 → 2H2O +BaCl2 1:1…

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    Aim: • To investigate the effects of on the rate of reaction of magnesium with different concentrations of Hydrochloric acid (HCl). • To investigate the effects of different surface areas of magnesium in its rate of reaction with hydrochloric acid (HCl). Introduction: The rate in which reactions occur between chemicals, such as Magnesium and Hydrochloric Acid, are effected by four main factors. These factors are temperature, concentration, the presence of a catalyst and the surface area of…

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    Obtain a piece of paper that is approximately 5cm x 10cm, and tear it into small fragments. Place the pieces of paper on a watch glass, and light the paper with a match. Observe and record reactions. Deposit a microspatula of NaCL (sodium chloride) into a test tube, and dilute the substance by infiltrating approximately an inch of water to the test tube. Let the NaCL dissolve into the water by shaking the test tube with one’s thumb over the opening of the test tube. Using a dropper, place…

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    ANTACID ANALYSIS: DETERMINATION OF STOMACH ACID NEUTRALIZATION USING ANTACIDS Authors: Alexxis Harris Constance Doty Brandon Hokenson Gavin Hunt Melissa Munoz Affiliation: Department of Chemistry, University of Central Florida Abstract The purpose of this experiment is to identify which antacid is the best at neutralizing stomach acid. Antacids are commonly used self-prescribed medications. The stomach produces hydrochloric…

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    of approximately 0.25 M Hydrochloric Acid Abstract The aim of the study was to standardise a solution of hydrochloric acid with an approximate concentration of 2.5 M against sodium carbonate solution. The main steps of this experiment were preparing the sodium carbonate solution, transferring the solution into a conical flask by using a pipette, adding the bromophenol blue indicator and titrating with hydrochloric acid until the first green colour appeared. The concentration of hydrochloric acid…

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    Noor Diabi 11AA The life of hydrochloric acid in our stomach Chapter 14 section 1 25/04/2016 Ms. Sara Kassem Sharjah American International School Topic one: Discuss the role of hydrochloric acid in the digestion of foods. Point out how excess acid contributes to the discomfort known as indigestion. Explain how the stomach secretes a mucous layer, which protects it from being damaged by the hydrochloric acid it produced. Hydrochloric acid (HCl) is a clear, liquid. Which is produced in…

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    A similar experiment such as the reaction of Sodium Thiosulfate and Hydrochloric Acid includes the “Yellow Snowstorm” reaction – a reaction between Copper (II) and Thiosulfate. Copper (II) sulfate [CuSO4·5H2O] dissolves to give cupric ion (Cu2+); in the context of a redox reaction with thiosulfate, the cupric ion acts as an oxidizing agent. Reactions within the temperature on Sodium Thiosulfate and Hydrochloric Acid occur as the result of molecules interacting with each other to create new…

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    From the results, it is valid to conclude that the reaction with the fastest reaction rate is magnesium and hydrochloric acid. Initially, it was hypothesized that the reaction with hydrochloric acid would have the fastest reaction rate due to its high acidity observed from the pH scale. From there, the following reactions were based on the pH of the acid involved as well as the concentration of hydrogen ions/atoms within the acid molecule. As a result, it was hypothesized that the sulfuric acid…

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    Bradford for protein determination was used in the lab in order to determine the concentration of the unknown 2 and the previously purified protein. This protein dye complex is the reason for a shift in the dye absorption with maximum between 465 to 596 nm. This derived amount of absorption does not require dilution and can be used for both microassays and standard solutions. The analysis provides a linear response with concentrations of Bovine Serum Albumin (BSA) from 1 to 140 microliters. The…

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    theory: Hydrochloric acid is a clear is a highly corrosive, strong mineral acid with many industrial uses. Major production started in the Industrial Revolution, hydrochloric acid is used in the chemical industry as a chemical reagent in the large-scale production of PVC plastic, and MDI/TDI for polyurethane. It has numerous smaller-scale applications, including household cleaning, production of gelatine and other food additives, descaling, and leather processing. About 20 million tonnes of…

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