The equation below represents the reaction that takes place. In an experiment to study the rate for reaction between duralumin (an alloy of aluminium, magnesium and copper) and hydrochloric acid, 0.5g of the alloy were reacted with excess 4M hydrochloric acid. Hydrochloric acid, HCl(aq) – see CLEAPSS Hazcard HC47a and CLEAPSS Recipe Book RB043. While other metal/acid combinations react in the same way, recovering the salt by crystallisation (in Lesson 2) may not be as successful as it is using zinc and sulfuric acid. A student investigated the reaction between 0.12 g of magnesium ribbon and excess hydrochloric acid at room temperature. The solution fizzes and gives off the gas carbon dioxide. Develop an experiment to investigate a factor or factors that affect the rate of a chemical reaction. Overall the experiment, in my view, was a successful and valid experiment teaching me to understand the effect of concentration on the rate of reaction. An example often used when demonstrating chemical reactions is the reaction between hydrochloric acid and calcium carbonate: CaCO 3(s) + 2HCl (aq) CaCl 2(s) + H 2 O (l) + CO 2(g) The rate of reaction can be altered by changing the size of the calcium carbonate chips or the concentration of the acid. Set II: 1 g of zinc powder and 20 cm 3 of 2 mol dm – 3 hydrochloric acid at room temperature. Hypothesis: I predict that the higher the molar concentration of the acid the faster the reaction will take place therefor creating more gas in a shorter amount of time. Materials: Granulated zinc, 0.1 mol dm-3 hydrochloric acid, water. Of the four acids which gave me valid results, the order of rate of reaction is therefore (slowest) Methanioc, Hydrochloric, Phosphoric, Sulphuric (fastest). Place about 5cm depth of the acid in each of the five test tubes; Place a small piece of each of the three metals above. Negative catalyst – Reduce the rate of reaction. A chemist wishes to determine the rate of reaction of zinc with hydrochloric acid. The equation for the reaction is: zn(s) + 2HCl(aq) H2(g) + ZnC12(aq) A piece of zinc is dropped into 1.00 L of 0.100 M HCI and the following data were obtained: The final average time of reaction that we acquired is 38.898 s. You will investigate the rate of the reaction between magnesium and different concentrations of hydrochloric acid. € The reaction produced a precipitate, which made the mixture turn cloudy. An experiment is carried out to investigate the rate of reaction when calcium carbonate is reacted with hydrochloric acid. A further experiment using hydrochloric acid, Experiment 2, was carried out. When reacted with hydrochloric acid (HCl), a salt calcium chloride (CaCl. The student timed how long it took until she could no longer see the cross. 2), carbon dioxide (CO. 2) and water (H. 2. in a Chemical Reaction Purpose: The purpose of this lab is to create an experiment where zinc reacts with hydrochloric acid in order to find out the number of moles and atoms of zinc reacted. Aim: To investigate the rate of reaction between Calcium Carbonate (CaCo3) and hydrochloric acid (HCl) by changing the molarity of the acid and measuring how much Carbon Dioxide (Co2) is produced. Dilute hydrochloric acid, HCl(aq) – see CLEAPSS Hazcard HC047a and CLEAPSS Recipe Book RB043. This reaction generates the very flammable element H2, or hydrogen gas. The speed of the reaction also depends on the mass of the Zinc used in the experiment. (b) The rate of reaction of set I is higher than that of set II. Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. Though low hazard, eye protection is necessary as you may get a spray as tiny bubbles burst. 2 A student investigated the rate of reaction between dilute hydrochloric acid and aqueous sodium thiosulfate. Introduction In this chemical reaction, the magnesium will dissolve in the hydrochloric acid to produce hydrogen gas. She calculated the initial rate of reaction … Presence of Catalyst A catalyst is a substance which can change the rate of reaction. This is because magnesium is higher than hydrogen in the reactivity series. When these chemicals react they form a precipitate which makes the solution go cloudy. It is a reduction-oxidation reaction where one of the reactants loses oxygen and the other one gains. In this experiment we tested the effect of concentration of HCl or Hydrochloric acid at which a piece of Zinc Metals dissolved. Analyzed our informations and datas to compare to other group's datas. It is a single replacement reaction where zinc replaces the hydrogen. The hydrochloric acid should be about 1M for a reasonable rate of reaction. The aim of this experiment is to verify the effects of surface area of solid reactants and concentration of aqueous reactants on the rates of acid-base chemical reactions. There are 2 types of catalyst: Positive catalyst – Increase the rate of reaction. 6 Comments ... 1 × 150 mL beaker 1 × stopper 1 × 10 mL measuring cylinder 1 × test tube rack 1 × spatula 1 × lime water 1 × hydrochloric acid 1 × calcium carbonate 1 × copper carbonate 1 × zinc … Zinc granules, Zn(s) – see CLEAPSS Hazcard HC107. Hypothesis: I believe that the most concentrated the HCl is, the faster the reaction will be. Aim: To determine the average rate of reaction and the instantaneous rate of reaction. Experiment 4a. ...the reaction between magnesium and hydrochloric acid will be effected if we change the concentration of hydrochloric acid.Introduction In the experiment the magnesium reacts with the hydrochloric acid to create magnesium chloride and hydrogen. Rate of Reaction Experiment. Repeat these steps with 1.0 mol/dm 3 and 1.5 mol/dm 3 hydrochloric acid as well (keeping the temperature, volume of acid the same, and the mass of the calcium carbonate the same). Investigate the rate of reaction. An experiment was carried out to measure the rate of reaction between excess powdered calcium carbonate and dilute acids. Rates Of reaction- The reaction between limestone and hydrochloric acid. Set I: 1 g of zinc powder and 20 cm 3 of 0.4 mol dm – 3 hydrochloric acid at room temperature. Through this experiment, we have tested the process in which the time of reaction can be acquired through the undertaking of a chemical reaction, in this case, one between hydrochloric acid and magnesium. Science experiment on acid and carbonate reaction. A student investigated the rate of reaction between sodium thiosulfate solution and dilute hydrochloric acid, as shown in Figure 1 . The formation of this precipitate can be used to show how fast the reaction proceeds. Experiment 1 Set 1: Zinc + Hydrochloric AcidSet 2: Zinc + Hydrochloric Acid + Copper Sulphate (Catalyst) Chemical … Read more The aim of this experiment is to verify the effects of surface area of solid reactants and concentration of aqueous reactants on the rates of acid-base chemical reactions. The diagram shows pieces of apparatus used to collect gases. ... • As the concentration of the acid is increased then the reaction rate will increase. To perform this experiment, a scientist begins by adding a small amount of hydrochloric acid to … Measuring Reaction Rates Name B I. What Effect Will the Concentration of Hydrochloric Acid Have on the Rate of Reaction Between Hydrochloric Acid and Magnesium? Apparatus: 50 cm 3 beakers, test tubes. The volume of carbon dioxide gas given off is measured at different intervals of time. Five experiments were carried out using the apparatus shown. Zinc is a metallic element that reacts with hydrochloric acid when it's in its elemental state. From the results, you will be able to determine the order with respect to the acid. In this experiment we will be looking at how quickly magnesium reacts with dilute hydrochloric acid. Materials: Marble chips, 2 mol dm-3 hydrochloric acid, 0.1 mol dm-3 sodium thiosulphate solution, 1 mol dm-3 lead(ll) nitrate solution. The balanced formula for this is: Mg(s) + 2HCL(aq) MgCl2(aq) + H2(g) Magnesium + hydrochloric acid Magnesium Chloride + Hydrogen … Therefore, we sought to test the duration of reaction of equal lengths Magnesium ribbons with reducing concentrations of hydrochloric acid. Introduction We are going to do an experiment to see how surface area effects the rate of reaction when added to hydrochloric acid.I will add calcium carbonate (marble chips) to hydrochloric acid.When calcium carbonate is added to hydrochloric acid a reaction takes place. Use it to answer the questions that follow. Procedure: 5 cm 3 of 2 mol dm-3 hydrochloric acid is poured into each of the three test tubes on a rack. The Rate Of Reaction Between marble Chips and Hydrochloric Acid. In Experiment 1, 25 cm3 of 1.5 mol / dm3 hydrochloric acid were used. Published in: Education. She calculated the rate of the reaction. A group of learners use the reaction between zinc and sulphuric acid to investigate one of the factors that affects reaction rate. Therefore, we sought to test the duration of reaction of equal lengths Magnesium ribbons with reducing concentrations of hydrochloric acid. Each experiment run will need 50 cm 3. Aim During this experiment I will be investigating if heating limestone and changing the concentration of the acid will affect the rate of reaction.Preliminary work Before doing our main experiment, we will have to conduct another experiment, to see what concentration of acid we will have to use. Using the rate of HCl at 0.2M instead of 0.25M in the Rate/Acid puts it just below H 3 PO 4, which makes sense although I thought Hydrochloric Acid was stronger than Phosphoric Acid. AIM: The purpose of this experiment is to find out what determines the speed of a reaction (in this case, between Hydrochloric Acid and Zinc). The data in the table below was recorded. Aim: To compare the rates of a few reactions. Mg(s) + 2HCl (aq) → MgCl2(aq) + H2(g) In each experiment, the hydrochloric acid is in excess. 9 Reaction of Sodium thiosulfate and Hydrochloric acid In this experiment you will measure the rate of the reaction between a sodium thiosulfate solution and hydrochloric acid: 2HCl (aq) + Na 2 S 2 O 3(aq) → 2NaCl (aq) + SO 2(aq) + S (s)↓ + H 2 O (l) The precipitate of sulfur formed gradually and makes the solution cloudy. Aim During this experiment I will be investigating if heating limestone and changing the concentration of the acid will affect the rate of reaction.Preliminary work Before doing our main experiment, we will have to conduct another experiment, to see what concentration of acid we will have to use. When hydrochloric acid and zinc are combined, they create hydrogen gas and zinc chloride, which is a salt. 1541 Words | 7 Pages. Aims and objectives of the experiment. In reaction of zinc with hydrochloric acid hydrogen gas is liberated. 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