Hydrochloric acid Essays

Sort By:
  • Powerful Essays

    AIM To design an investigation to study the kinetics of a reaction of your choice RESEARCH QUESTION With respect to hydrochloric acid (HCl), what is the order of reaction in the reaction between HCl and calcium carbonate (CaCO3) determined by changing the concentration of HCl and measuring the volume of carbon dioxide gas (CO2) collected in 30 seconds whilst keeping the mass of the powdered CaCO3 constant and the temperature of the reaction system at 25oC? BACKGROUND INFORMATION Calcium carbonate

    • 1398 Words
    • 6 Pages
    Powerful Essays
  • Powerful Essays

    role of stomach acid Chapter 14 section 1 Noopur Rajendra Grade – 11AA 25/04/2016 Ms. Sara Kassem Sharjah American International School 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 produces. Abstract Hydrochloric acid, which is also called HCl, is a highly corrosive acid. It is a strong

    • 1301 Words
    • 6 Pages
    Powerful Essays
  • Good Essays

    Hydrochloric Acid Essay

    • 1007 Words
    • 5 Pages

    Hydrochloric acid is a colorless, clear, highly corrosive liquid that can cause burning. Hydrochloric acid is a very good industrial acid; it’s good for pickling iron and steel. Hydrochloric is found naturally in the stomach with the other gastric juices. Hydrochloric acid plays a role in the digestion of the food, and releasing enzymes in the stomach. Hydrochloric acid is found with the other gastric juices which are mostly potassium chloride, and sodium chloride. Hydrochloric acid is made up 5%

    • 1007 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Carbonate (CaCO3) in combination with Hydrochloric acid (HCl) upon its rate of reaction. CaCO3, commonly referred to as limestone, is an organic substance and is, in a sense, the crystallised “carbonic salt” of the element, calcium2. In addition to being a salt, the pH level of Calcium Carbonate is 9.91, and it is therefore, a basic substance, due to the fact that it is comprised of a pH level higher than 7, which is neutral3. HCl, however, is the bodily acid found in the stomach of human beings.

    • 876 Words
    • 4 Pages
    Good Essays
  • Good Essays

    oxalate (AO, ≥99%) were purchased from Sigma Aldrich. The molecular structure and chemical properties of isoniazid are given in Table 1. Sodium hydroxide (NaOH, 99%) and methanol (MeOH, analysis grade) was purchased from Merck Millipore, Germany. Hydrochloric acid was purchased from PFP Matsunden Chemicals Ltd, South Korea. Ultrapure water was used for the synthesis of TiO2 nanotube and preparation of isoniazid experimental solution. Standard chemical reagents for COD analysis were purchased from Humas

    • 2159 Words
    • 9 Pages
    Good Essays
  • Good Essays

    vanillin sulphuric acid spray reagent (Fig 16c). Densitometric scan at 254 nm revealed 7 peaks

    • 1354 Words
    • 6 Pages
    Good Essays
  • Powerful Essays

    out the relationship between the greater concentration of sodium thiosulfate when mixed with hydrochloric acid and the time it takes for the reaction (the time it takes for the solution to turn cloudy) to take place and to show the effect on the rate of reaction when the concentration of one of the reactants change. Introduction: The theory of this experiment is that sodium thiosulfate and hydrochloric acid reach together to produce sulfur as one of its products. Sulfur is a yellow precipitate so

    • 3578 Words
    • 15 Pages
    Powerful Essays
  • Good Essays

    recrystallized with ethanol to obtain the compound 4. 2.4. General procedure for synthesis of 1-{(5-substituted-1,3,4-oxadiazol-2-yl)methyl}-2-(morpholinomethyl)-1H-benzimidazoles (5a-r) An equimolar mixture of compound 4 (0.001 M) and substituted carboxylic acid in phosphoryl chloride (POCl3) was refluxed for 8–12 h. Then reaction mixture was cooled, poured into ice-cold water and neutralized with 20% w/v NaHCO3 solution.

    • 1242 Words
    • 5 Pages
    Good Essays
  • Satisfactory Essays

    Hydrochloric acid is a chemical used in the process of digestion and is a vital to our ongoing health and well being. The concentration of hydrochloric acid in the stomach is approximately 0.05 – 0.1 moles/litre (M). However hydrochloric acid at 18% is used in many industrial processes and has the capacity to melt steal. Aim The purpose of this experiment is to investigate how altering the concentration of hydrochloric acid, when reacting with sodium thiosulfate

    • 841 Words
    • 4 Pages
    Satisfactory Essays
  • Good Essays

    The purpose of this lab is to observe the reaction between hydrochloric acid and magnesium metal. When the substances are reacted over water, the products produced are a salt in aqueous solution and a gas. While the salt remains in the water as part of a solution, the gas produced will float to the top. Though water vapor pressure will affect the pressure of the gas in the eudiometer, it is possible to apply Dalton’s law of partial pursues to find the dry pressure of the gas. When the dry pressure

    • 1866 Words
    • 8 Pages
    Good Essays
  • Good Essays

    experiments involving hydrochloric acid and sodium hydroxide were used to test different antacids to see which one needed the least amount of sodium hydroxide to turn the solution pink. The antacids that were being compared in this experiment were Alcalak, Alka-Seltzer and Medi-First. With the use of M1 x V1 = M2 x V2 the excess volume of hydrochloric acid was found in order to find the amount of hydrochloric acid volume neutralized out of the original 100 mL of hydrochloric acid. The results obtained

    • 983 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Rate Law Lab

    • 1449 Words
    • 6 Pages

    Rate Laws 03.24.2017 Lab Partner: Jackson Mendenhall Lab Instructor: Nicole Capps Introduction In the following lab experiment, reactions will be induced in order to experimentally determine both the rate laws and the reaction orders of hydrochloric acid and sodium thiosulfate in the synthesis of the two solutions. A rate law is an equation which can tell you how fast a reaction will take place, dependent on the concentrations of each solution involved. A reaction order, usually described as

    • 1449 Words
    • 6 Pages
    Good Essays
  • Good Essays

    Objective: I will be combining calcium carbonate with hydrochloric acid as a case study to measure the rate of chemical reaction. This gives us the equation CaCO3 + 2HCl  H2O + CaCl2 + CO2 Background Information: Several factors are already known which increase (or decrease) the rate of reaction. An increase in concentration of the acid allows for a greater number of hydrochloric acid molecules colliding into those of calcium carbonate. Although not every single particle would result in a successful

    • 837 Words
    • 4 Pages
    Good Essays
  • Better Essays

    Rates of Reaction Lab Design What is the effect of surface area on rates of reaction, when magnesium is combined with hydrochloric acid to create hydrogen? Chemical reactions are when bonds between atoms form new molecules. They occur when two or more molecules interact with each other. Substances that react together are reactants, and the ones formed in the reaction are called the products. In the making of new molecules, no atoms are damaged. The overall mass of the reactants end up being the

    • 1320 Words
    • 6 Pages
    Better Essays
  • Good Essays

    which means it builds oxides, that react with water. It's natural state in solid. Calcium's melting point is 842°C, 1548°F, 1115 K and boiling point is 1484°C, 2703°F, 1757 K. Calcium is a silver-white soft metal, that reacts to halogens, water, and acid. This metal was first discovered by a man called Humphry Davy, in 1808 through the process of electrolysis while doing a mixture of lime (CaO) and mercuric oxide (HgO). Calcium is one of the most abundant elements on earth, forming over 3% of the earth's

    • 735 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Gather materials (beaker, 100 milliliters of copper chloride, graduated cylinder, funnel, 2 centimeter by 15 centimeter aluminum foil strip, goggles, gloves, apron, hydrochloric acid, and a spoon to push down the aluminum foil so that it doesn’t rise up and drip copper chloride down the side) 2. Pour 100 milliliters of copper chloride into the graduated cylinder to measure it 3. Pour the copper chloride into the beaker or

    • 1047 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Hcl Lab Report

    • 1548 Words
    • 7 Pages

    two reactant particles, in this case magnesium particles and hydrochloric acid particles, must collide with each other on the correct 'collision course'. If this does not occur then no chemical reaction will take place. The reaction must also have sufficient energy, this can be

    • 1548 Words
    • 7 Pages
    Good Essays
  • Good Essays

    of the periodic table. *CAUTION* Magnesium is a flammable metal! The equation for the reaction that is going to happen is: Magnesium + Hydrochloric Acid —> Magnesium chloride + Hydrogen Mg (s) + 2 HCl (aq) --> MgCl 2 (aq) + H 2 (g) This reaction is an Oxidation-reduction. Magnesium has an ionic charge of +2 and loses the electrons as it reacts with the acid to become a positively charged Iron ion through the oxidation. At the same time hydrogen gains electrons to become a neutral molecule. I

    • 328 Words
    • 2 Pages
    Good Essays
  • Powerful Essays

    Aim The aim of this experiment is to test the size and number difference of coacervates when the concentration of gelatin and gum arabic are changed. Research Question How can changing the percentage of gelatin and gum arabic from 1% to 5% affect the size and number of coacervates. Research Hypothesis If gelatin and gum arabic are combined in an acidic environment, and the concentration is changed from 1% to 5%, the coacervates will increase in number and size. Independent Variable The

    • 1781 Words
    • 8 Pages
    Powerful Essays
  • Better Essays

    Molar Volume Lab

    • 1146 Words
    • 5 Pages

    Description: The purpose of this experiment was to determine the molar volume of a gas by conducting the hydrogen gas producing chemical reaction: Mg(s)+2HCl (aq)→〖MgCl〗_2 (aq)+H_2 (g) A known mass of solid magnesium was reacted with an excess of hydrochloric acid in a sealed vessel, three times, for a total of three trials. A gas pressure sensor and temperature probe were connected to the vessel and a computer which allowed Logger Pro to collect the pressure and temperature change data through the course

    • 1146 Words
    • 5 Pages
    Better Essays