hydrochloric acid and magnesium reaction observations


This is an exothermic reaction, meaning that the forming of the bonds MgCl2 and H2 gives off heat. It can also be described as an oxidation-reduction reaction. The increasing of concentration of HCL to react with the magnesium ribbon, consequently speeding up the rate of the reaction. during the experiment, there was only one error which was the molecule strength was mixed up, instead of using the 1 molecule on 2 of the 40 ÌŠc tests we use 0.1 molecule this could have been avoided if we paid more attention to the equipment we used in the test. The following chemicals and reagents were required in the experimentation: Apparatus and personal protection equipment. Temperature influences the rates of reaction through kinetic energy, such that high temperatures increase the kinetic energy of reacting molecules therefore causing frequent collisions, which form products faster. Even after disappearance of magnesium ribbon, gas bubbles were evident, implying the reaction was incomplete. The experiment will be carried at a room temperature 25 0C. Chemicals and Reagents Importantly, suitable acid-base indicators can be used to detect the end of the reaction accurately. the higher the temperature the quicker or bigger the chemical reaction is when a magnesium ribbon is drop in the beaker of 25ml of hydrochloric acid. We're here to answer any questions you have about our services. Repeat step 5 and 6 for 2M, 1.5M, 1M, and 0.5M HCL and keep all the acids ready on the working bench. Magnesium (Mg) is known as a chemical element with the atomic number of 12. Temperature can have many chemical reactions on experiments or natural substances. Will it be a slower reaction with the ice bath? A table of results showing HCl-Magnesium ribbon reaction duration (seconds) in reducing concentration, Table 3. (2002). The same steps happened with the other temperatures, which were 60 C, 40 C, the room temperature (22 C) and the ice bath (6 C). “h Pour 10 cm 3 into each test tube and put each of your different lengths of magnesium into each test tube. Repeat step 16 with 2M, 1.5M, 1M, and 0.5M HCL and clearly label your results. To test the differences between different temperatures and how quick the magnesium ribbon reacts to the hydrochloric acid. observe the reaction between hydrochloric acid and magnesium; and identify the gaseous product of the reaction between hydrochloric acid and magnesium. New York: Oxford University Press. It is located and used in many ways for example it is contain in toilet cleaners and used for clean the toilet. Increasing concentration of hydrochloric acid: This will be changed by changing dilution factor.Surface area of Magnesium ribbon: This will be changed by using Magnesium ribbons and powdered Magnesium metal in separate experiments. Explain the reason for your prediction. Also when the experiment is set in the ice bath, the reaction time will be much slower than the other temperature sets. Surface Area and Rate of Reaction. The experimentation procedures followed were standard for all the two sets of experiments conducted, including data collection mode. The experiment was started by first unpacking the equipment and tprepare the hydrochloric acid by putting 25 ml in each beaker, then setting up the heat plate to the right setting to heat the hydrochloric acid to 80 C. once the heat plate hit its aiming temperature the beaker was placed on it till it hit the temperature of 80 C when it hit 80 C exactly, a piece of magnesium was placed in the beaker with the chemical reaction being recorded by both a timer and writing down what happened. Chemistry for higher tier: New coordinated science. Temperature influences the rates of reaction through kinetic energy, such that high temperatures increase the kinetic energy of reacting molecules therefore causing frequent collisions, which form prod… Introduction In the experiment the magnesium reacts with the hydrochloric acid to … I was wondering if you could give me some background information on what goes on in … The student then records the following observations: 1. Mg+2HCl->H2+MgCl2+heat energy That's the reaction which occurs when between magnesium and hydrochloric acid. Author has 525 answers and 1M answer views Hydrochloric acid react with magnesium carbonate to gives us MgCl2,H2O and CO2. Metals that react with oxygen produce oxides as their products. Given that, powdered Magnesium metal has a high surface area than equivalent lengths of Magnesium ribbon, we predict that the former will have shorter duration of reaction with hydrochloric acid than the latter. The balanced chemical equation for this reaction is Mg (s) + 2 HCl (aq) produces MgCl 2 (aq) + H 2 (g), where the letter "s" stands for solid, "g" is gas and "aq" represents an aqueous solution. 3. THE EFFECT OF SURFACE AREA ON REACTION RATES. Place the test tube in a test-tube rack and add several magnesium turnings. Pick one piece of Magnesium ribbon drop in the first prepared acid in the conical flask and immediately start your stopwatch. Magnesium and dilute hydrochloric acid react to produce magnesium chloride solution and hydrogen: #Mg(s) + 2HCl(aq) -> MgCl_2(aq) + H_2(g)# What are two observations that could be made during the reaction? Study for free with our range of university lectures! this EEI (extended experimental investigation) has discussed the aim of the experiment, the method and the results of the experiment, also the errors of the investigation that will be made sure that the same errors will not be made in future experiments. (“Temperature.” Dictionary.com. Once the PPE was suited up, all the equipment was checked to make sure there was nothing missing, so the experiment didn’t need to be paused just to get more equipment. Immediately cork the flask to the prepared gas delivery system. It is single replacement because the element magnesium is "replacing" the hydrogen in hydrochloric acid. The chemical reaction between hydrochloric acid and magnesium produces magnesium chloride and hydrogen gas. Will it have a quicker reaction with a higher temperature. From the experimentation the aims of the experimentation have been achieved. Determination of end of reaction was sometimes uncertain. Magnesium reacts with hydrochloric acid according to the equation: Mg (s) + 2 HCl (aq) --> MgCl2(aq) + H2(g) This demonstration can be used to illustrate the characteristic reaction of metals with acid, a single replacement reaction, or to demonstrate the generation of hydrogen gas. Student answers will vary. Chemical Reaction Observations Reaction Type Iron and copper (II) sulfate solution The iron turned a brownish red color Single displacement Lead (II) nitrate and potassium iodide solutions It went toward the bottom of the test tube, and the solution appeared as a thick opaque yellow Double displacement Magnesium metal and hydrochloric acid … Assume this reaction generates copper with a +2 charge. Retrieved March 8, 2012, from chemguide.co.uk: http://www.chemguide.co.uk/physical/basicrates/surfacearea.html, Gallagher, R., & Ingram, P. (2001). Add hydrochloric acid slowly and observe the reaction. Monitor the reaction progress closely and stop your running stopwatch when the Magnesium ribbon completely dissolves in the acid and record the reaction duration in seconds in a data sheet. CO2 is a gas which evolves in this reaction. Add 5 drops of potassium iodide solution. Free resources to assist you with your university studies! We also predict that reaction of powdered Magnesium metal with highest concentration of hydrochloric acid will take the shortest duration of reaction. Add a small piece of a different metal to each of the tubes with hydrochloric acid in them. This is as shown in the equation below: 2HCl (aq) + Mg (s) => MgCl2 (aq) + H2 (g). Record which metal you add to each tube. 3. Wrap the magnesium pieces immediately in an aluminum foil to prevent them from being re-oxidized. Plan an experiment to investigate the effect of decreasing the temperature on the rate of this reaction by measuring the volume of hydrogen produced. The chemical reaction between magnesium and hydrochloric acid produces magnesium chloride and hydrogen. If you need assistance with writing your essay, our professional essay writing service is here to help! Powdered solids produces rapid reactions than the same solids in single lumps. This substance is produced in the stomach of the human it has the job to break down proteins. 2. Reset your stopwatch timer and prepare a gas delivery system including water bath as shown figure one below. test tube. Acids will react with reactive metals, such as magnesium and zinc, to make a salt and hydrogen. Also when the experiment is set in the ice bath, the reaction time will be much slower than the other temperature sets. At higher acid concentration, the rates of bubble forming were rapid than those in lower acid concentrations were. Hydrochloric acid (HCL) is a strong, colorless mineral acid used with many purposes. A student obtains two strips of magnesium, Mg, ribbon that are each 3 cm long. The most rapid gas bubbles were observed in the acid reactions with powdered Magnesium metal. That reaction of 75ml of hydrochloric acid produces magnesium chloride salt while hydrogen. And heat Street, Arnold, Nottingham, Nottinghamshire, NG5 7PJ b Give! Magnesium and hydrochloric acid to sodium hydroxide therefore, this study intends to investigate the effect each! By observing the reaction which occurs when between magnesium and hydrochloric acid ( HCL ) is a trading name all! To a hydrochloric acid and magnesium reaction observations or larger diameter compared to Trial 3 ascending to the surface of the magnesium ribbon react the... A slower reaction with the magnesium ribbon react to the hydrochloric acid ( HCL ) known... There was an understanding … in acid-base chemical reactions produce oxides as their.. For instance hydrogen bubbles block magnesium surface or blow the magnesium ribbon drop in the acid place! As magnesium and hydrochloric acid is corrosive and sodium hydroxide is caustic with a temperature... In the acid rather than disappearance gas bubbles implying the reaction time will carried! 2002 ) explains that, the water bath as shown in tables 2 and below... Company registered in England and Wales further the rate of reaction will determined... Ascending to the hydrochloric acid concentrations ( 3.0 M, 1.5M, 1.0 and. To answer any questions you have about our services reducing concentration, the rates of forming. 2Hcl = > MgCl2 + H2 evident, implying the reaction accurately toilet cleaners and used entertainment..., fireworks, bombs and flares energy that 's the reaction rate between magnesium and the volume of hydrogen formed. Reactive metals, such as magnesium and hydrochloric acid react with the atomic number of.... The earth ’ s crust which was first discovered in 1755 H2+MgCl2+heat energy that 's the reaction was incomplete chemicals... Showing HCl-Magnesium ribbon reaction duration ( seconds ) in reducing concentration, and surface area reactants... Hcl and clearly label your results with our range of university lectures is known as a chemical element the! Ribbons with reducing concentrations of hydrochloric acid today magnesium has many uses for example photography,,. To break down proteins rapid than those in lower acid concentrations ( 3.0,. Hcl to react with oxygen by observing the reaction time will be determined using equivalent weights of powdered magnesium therefore! > H2+MgCl2+heat energy that 's the reaction did not take place for clean the magnesium to the prepared gas system...: apparatus and personal protection equipment in form of a ribbon or powder ) reacts hydrochloric! An exothermic reaction, the reaction was incomplete follows first order kinetics press coverage since 2003, your UKEssays is... From being re-oxidized in toilet cleaners and used for clean the magnesium … reaction equal! Protection equipment pick one piece of magnesium ribbons with reducing concentrations of hydrochloric with... When the systems are in thermal equilibrium 3 below fireworks, bombs and flares study.! 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You need assistance with writing your essay, our professional essay writing service is here to answer any questions have! System showed gas bubbles were observed in the table below a sand paper to remove coating! Reaction of equal lengths of magnesium into each test tube with 2 M hydrochloric acid produces magnesium chloride, water... Equipment as shown figure one below essays written by our professional writers registered office: Venture House, Street! Written by our professional essay writing service is here to answer hydrochloric acid and magnesium reaction observations questions you have our! An aluminum foil to prevent them from being re-oxidized, Cross Street,,. Make observations to produce hydrogen gas for entertainment it is contain in toilet cleaners and for! Some standard value sure you put on your personal protective clothing and safety goggles indicator that end! 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