rate of reaction zinc and hydrochloric acid experiment


Develop an experiment to investigate a factor or factors that affect the rate of a chemical reaction. Zinc granules, Zn(s) – see CLEAPSS Hazcard HC107. Use it to answer the questions that follow. Aims and objectives of the experiment. The speed of the reaction also depends on the mass of the Zinc used in the experiment. To perform this experiment, a scientist begins by adding a small amount of hydrochloric acid to … Despite the fact that your stomach produces hydrochloric acid, the zinc in food and supplements doesn't react with stomach acid, because the zinc is not in elemental form. 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). Hydrochloric acid, HCl(aq) – see CLEAPSS Hazcard HC47a and CLEAPSS Recipe Book RB043. The data in the table below was recorded. Of the four acids which gave me valid results, the order of rate of reaction is therefore (slowest) Methanioc, Hydrochloric, Phosphoric, Sulphuric (fastest). Each experiment run will need 50 cm 3. The volume of carbon dioxide gas given off is measured at different intervals of time. Therefore, we sought to test the duration of reaction of equal lengths Magnesium ribbons with reducing concentrations of hydrochloric acid. Published in: Education. Rate Of Reaction With Zinc And Hydrochloric Acid. 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. Investigate the rate of reaction. 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). Negative catalyst – Reduce the rate of reaction. (b) The rate of reaction of set I is higher than that of set II. A chemist wishes to determine the rate of reaction of zinc with hydrochloric acid. You will investigate the rate of the reaction between magnesium and different concentrations of hydrochloric acid. The hydrochloric acid should be about 1M for a reasonable rate of reaction. 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. 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. LAB REPORT REACTION RATE. The equation below represents the reaction that takes place. The balanced formula for this is: Mg(s) + 2HCL(aq) MgCl2(aq) + H2(g) Magnesium + hydrochloric acid Magnesium Chloride + Hydrogen … 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 … A further experiment using hydrochloric acid, Experiment 2, was carried out. Calculate the rate of each reaction (volume ÷ time), and compare the results to find out which reaction has a faster rate. Experiment 1 Set 1: Zinc + Hydrochloric AcidSet 2: Zinc + Hydrochloric Acid + Copper Sulphate (Catalyst) Chemical … Read more The formation of this precipitate can be used to show how fast the reaction proceeds. 2 A student investigated the rate of reaction between dilute hydrochloric acid and aqueous sodium thiosulfate. They add 6,5 g of zinc granules to excess DILUTE sulphuric acid and measure the mass of zinc used per unit time. 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. 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. 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. There are 2 types of catalyst: Positive catalyst – Increase the rate of reaction. It is a single replacement reaction where zinc replaces the hydrogen. Procedure: 5 cm 3 of 2 mol dm-3 hydrochloric acid is poured into each of the three test tubes on a rack. The final average time of reaction that we acquired is 38.898 s. 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. 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. Measuring Reaction Rates Name B I. Dilute hydrochloric acid, HCl(aq) – see CLEAPSS Hazcard HC047a and CLEAPSS Recipe Book RB043. The Rate Of Reaction Between marble Chips and Hydrochloric Acid. 1541 Words | 7 Pages. Introduction In this chemical reaction, the magnesium will dissolve in the hydrochloric acid to produce hydrogen gas. Set II: 1 g of zinc powder and 20 cm 3 of 2 mol dm – 3 hydrochloric acid at room temperature. Presence of Catalyst A catalyst is a substance which can change the rate of reaction. Analyzed our informations and datas to compare to other group's datas. Aim: To compare the rates of a few reactions. It is a reduction-oxidation reaction where one of the reactants loses oxygen and the other one gains. An experiment is carried out to investigate the rate of reaction when calcium carbonate is reacted with hydrochloric acid. 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. 9 When hydrochloric acid and zinc are combined, they create hydrogen gas and zinc chloride, which is a salt. 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. Mg(s) + 2HCl (aq) → MgCl2(aq) + H2(g) In each experiment, the hydrochloric acid is in excess. € The reaction produced a precipitate, which made the mixture turn cloudy. The diagram shows pieces of apparatus used to collect gases. A group of learners use the reaction between zinc and sulphuric acid to investigate one of the factors that affects reaction rate. 2), carbon dioxide (CO. 2) and water (H. 2. 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. A student investigated the rate of reaction between sodium thiosulfate solution and dilute hydrochloric acid, as shown in Figure 1 . What Effect Will the Concentration of Hydrochloric Acid Have on the Rate of Reaction Between Hydrochloric Acid and Magnesium? 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. A student investigated the reaction between 0.12 g of magnesium ribbon and excess hydrochloric acid at room temperature. An experiment was carried out to measure the rate of reaction between excess powdered calcium carbonate and dilute acids. When these chemicals react they form a precipitate which makes the solution go cloudy. 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. Aim: To determine the average rate of reaction and the instantaneous rate of reaction. The student timed how long it took until she could no longer see the cross. In this experiment we will be looking at how quickly magnesium reacts with dilute hydrochloric acid. Set I: 1 g of zinc powder and 20 cm 3 of 0.4 mol dm – 3 hydrochloric acid at room temperature. In reaction of zinc with hydrochloric acid hydrogen gas is liberated. From the results, you will be able to determine the order with respect to the acid. Science experiment on acid and carbonate reaction. Hypothesis: I believe that the most concentrated the HCl is, the faster the reaction will be. This is because magnesium is higher than hydrogen in the reactivity series. ... • As the concentration of the acid is increased then the reaction rate will increase. The solution fizzes and gives off the gas carbon dioxide. Experiment 4a. Five experiments were carried out using the apparatus shown. How do you calculate the reaction rate experiment. She calculated the rate of the reaction. The formation of Apparatus: 50 cm 3 beakers, test tubes. Therefore, we sought to test the duration of reaction of equal lengths Magnesium ribbons with reducing concentrations of hydrochloric acid. In Experiment 1, 25 cm3 of 1.5 mol / dm3 hydrochloric acid were used. She calculated the initial rate of reaction … ...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. 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. In this experiment we tested the effect of concentration of HCl or Hydrochloric acid at which a piece of Zinc Metals dissolved. Though low hazard, eye protection is necessary as you may get a spray as tiny bubbles burst. Materials: Granulated zinc, 0.1 mol dm-3 hydrochloric acid, water. Zn + HCl = H2 + ZnCl2 It is a single displacement reaction where - Zinc is oxidised (it becomes positive) and water is neutralized. 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. Rate of Reaction Experiment. When reacted with hydrochloric acid (HCl), a salt calcium chloride (CaCl. Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. 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: This reaction generates the very flammable element H2, or hydrogen gas. 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