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Investigating How the Concentration of Hydrochloric Acid Affects the Rate of Reaction with Calcium Carbonate - Investigating How the Concentration of Hydrochloric Acid Affects the Rate of Reaction with Calcium Carbonate Aim === Calcium Carbonate reacts with dilute hydrochloric acid to produce carbon dioxide. The aim of this investigation is to find out how the concentration of hydrochloric acid affects the rate of reaction with calcium carbonate. In my experiment, I will use an overall volume of 50 cm³ of 2moles of dilute hydrochloric acid and keep that constant throughout the entire experiment....   [tags: Papers] 2242 words
(6.4 pages)
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The Effect of Concentration of Acid on the Rate of Reaction With Calcium Carbonate - The Effect of Concentration of Acid on the Rate of Reaction With Calcium Carbonate Calcium + Hydrochloric ð Calcium + Carbon + Water Carbonate Acid Chloride Dioxide CaCO3 (s) + 2HCl (aq) ð CaCl2 (aq) + CO2 (g) + H2O (l) Introduction I will be using the reaction between calcium carbonate and hydrochloric acid to see how the concentration of acid affects the rate of a reaction. By doing the above experiment I will prove that the higher the concentration of acid, the faster a reaction will occur....   [tags: Papers] 1229 words
(3.5 pages)
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how the concentration of acid affects the rate of reaction between hydrochloric acid and calcium carbonate (magnesium ribbon) - An investigation to find out how the concentration of acid affects the rate of reaction between hydrochloric acid and calcium carbonate (magnesium ribbon) Planning -------- The aim of my investigation is to find out how changing the concentration of acid affects the rate of the reaction between CaCO3 and HCl. To make my experiments fair tests, I will only change one variable: the concentration of the acid. I will have to keep the volume of the acid, the mass and size of the marble chips and the temperature of the acid the same in all my experiments to insure a fair test, because by changing any of the above I will change the conditions and therefore the results will be inaccurate and the rate of reaction will be affected....   [tags: GCSE Chemistry Coursework Investigation] 3452 words
(9.9 pages)
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Investigating How Concentration of Acid Affects the Reaction Between Calcium Carbonate and Hydrochloric Acid - Investigating How Concentration of Acid Affects the Reaction Between Calcium Carbonate and Hydrochloric Acid Introduction ============ According to the collision theory temperature, concentration, surface area and catalysts all affect rates of reaction as shown in the diagrams below. Increasing any of these should increase the number of collisions and so increase the reaction rate up to an optimum point. Increasing the temperature causes the particles to collide with more energy and more frequently, thereby increasing the reaction rate....   [tags: Papers] 3026 words
(8.6 pages)
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An Investigation to see How the Concentration of Hydrochloric acid affects the Rate of Reaction with Calcium Carbonate - An Investigation to see How the Concentration of Hydrochloric acid affects the Rate of Reaction with Calcium Carbonate I am going to investigate how concentration of hydrochloric acid affects the rate of reaction between hydrochloric acid and indigestion tablets which contain mainly calcium carbonate. From my background knowledge from class work and books, (see references) I have found out that if you increase the concentration of hydrochloric acid, the rate of reaction will increase and the time of the reaction will decrease....   [tags: GCSE Chemistry Coursework Investigation] 3036 words
(8.7 pages)
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An Investigation To Find Out How The Concentration Of Hydrochloric Acid Affects The Rate Of Reaction With Calcium Carbonate - An Investigation To Find Out How The Concentration Of Hydrochloric Acid Affects The Rate Of Reaction With Calcium Carbonate Background Knowledge I am doing this experiment to find out whether the concentration of hydrochloric acid affects the rate of reaction with calcium carbonate. In this experiment, when you add calcium carbonate (marble chips) to hydrochloric acid, carbon dioxide is given off. EQUATION [IMAGE]CaCo₃ + 2HCl CaClâ‚‚ + Hâ‚‚O +C0â‚‚ [IMAGE]Calcium Carbonate + Hydrochloric acid Calcium Chloride + Water + Carbon Dioxide....   [tags: Papers] 2165 words
(6.2 pages)
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The Effects of Acid Rain on Statues - The Effects of Acid Rain on Statues Introduction ------------ During this investigation, I will use dilute hydrochloric acid as the acid rain and crushed calcium carbonate as the chemical of the statues. Then I will time how long it takes for the limestone powder to react until there is no more left when the acid is added to it. Rain contains acid naturally as it collects carbon dioxide from the air and makes carbonic acid. Rain normally has a pH of about 5.5 – it is slightly acidic due to the carbon dioxide dissolved in it....   [tags: Acid Rain Chemical Reactions Essays] 2232 words
(6.4 pages)
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Investigating How the Concentration of Hydrochloric Acid Affects the Speed of the Reaction with Marble Chips - Investigating How the Concentration of Hydrochloric Acid Affects the Speed of the Reaction with Marble Chips Introduction ============ There are many factors that will affect the rate of reaction between hydrochloric acid and calcium carbonate. Some of them are as follows: * Temperature - If the temperature is higher, then the molecules in the solution have more energy, causing them to move around more which would mean they would react faster. * The surface area of the calcium carbonate - If the calcium carbonate is in a sphere shape, then there is not as much surface area than there would be if it was in a flat cuboid shape or perhaps in several different chips....   [tags: Papers] 719 words
(2.1 pages)
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Investigating How Varying the Concentration of Hydrochloric Acid Affects the Decomposition of Marble Chips - Investigating How Varying the Concentration of Hydrochloric Acid Affects the Decomposition of Marble Chips My aim for this experiment is to discover how varying the concentration of hydrochloric acid (HCl) affects the decomposition of marble chips (calcium carbonate). The equation for this reaction is: [IMAGE] CaCO 3 +2HCl CaCl 2 +H 2 O+CO 2 Background knowledge ( Found via the internet and 'Key Science Chemistry' by Eileen Ramsden) What is limestone....   [tags: Papers] 1672 words
(4.8 pages)
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How the concentration of an acid affects the rate of reaction on marble chips - How the concentration of an acid affects the rate of reaction on marble chips Background: These different speeds of reaction are referred to as their rates. The rate of reaction depends on how often and how hard the reacting particles collide with each other. Particles have to collide in order to react, and the have to collide hard enough as well. This is called the collision theory. When the temperature is increased the particles all move quicker. If they are moving quicker then they are going to have more collisions....   [tags: GCSE Chemistry Coursework Investigation] 1986 words
(5.7 pages)
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Investigate how the concentration of hydrochloric acid effects the rate at which it reacts with calcium carbonate - Investigate how the concentration of hydrochloric acid effects the rate at which it reacts with calcium carbonate Investigation Plan Aim === Investigate how increasing the concentration of the solution hydrochloric acid effects and alters the rate at which it reacts with marble chip, calcium carbonate. Rate of reaction is affected by six main factors * Temperature * Surface area of a solid * Concentration of a solution * Pressure of a gas * By using catalysts * Using biological catalysts called Enzymes As outlined above the rate of a reaction increases when temperature increases, the concentration of dissolved reactants increases, the pressure of gases increases, solid reactants are in smaller pieces and of greater surface area and also if a catalyst is used....   [tags: GCSE Chemistry Coursework Investigation] 2892 words
(8.3 pages)
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Carbon Dioxide produced by Reaction between Hydrochloric Acid and Calcium Carbonate - Investigate the effect of changing the concentration of hydrochloric acid and the volume of carbon dioxide produced by a reaction between hydrochloric acid and marble chips (calcium carbonate). Chemistry Coursework To investigate the effect of changing the concentration of hydrochloric acid and the volume of carbon dioxide produced by a reaction between hydrochloric acid and marble chips (calcium carbonate) Planning experimental procedures Aim In this coursework I will be investigating to see how the concentration of acid affects the rate of reaction with marble chips....   [tags: GCSE Chemistry Coursework Investigation]
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2527 words
(7.2 pages)
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My aim for this experiment is to find out how concentration affects the rate of reaction, when marble chips reacts with hydrochloric acid. - My aim for this experiment is to find out how concentration affects the rate of reaction, when marble chips reacts with hydrochloric acid. Mansoor Khan An investigation to see how concentration affects the 1 rate of reaction. Introduction My aim for this experiment is to find out how concentration affects the rate of reaction, when marble chips reacts with hydrochloric acid. I am going to use calcium carbonate (marble chips) to react with hydrochloric acid that will produce carbon dioxide gas. The equation for this reaction is: Word equation: Calcium Carbonate + Hydrochloric acid Calcium Chloride + Carbon Dioxide + Water Symbol equation: CaCO 2HCl CaCl CO H O For my experiment, I will be experimenting on different concentrations of acid on marble chips....   [tags: GCSE Chemistry Coursework Investigation] 2866 words
(8.2 pages)
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Investigating the Effect of Acid Concentration on Marble Chips - Investigating the Effect of Acid Concentration on Marble Chips Planning: The aim of this practical is to investigate the effect of varying acid concentrations on marble chips (CaCO3) 2HCL + CaCO3 à CaCl2 + CO2 + H20 Hydrochloric Acid + Calcium Carbonate à Calcium Chloride + Carbon Dioxide + Water Increasing the concentration of an acid increases the number of collisions between particles, therefore, the rate of reaction increases. The reaction will start faster in comparison to the speed at the end of the reaction....   [tags: Papers] 1635 words
(4.7 pages)
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An experiment to find out how changing the concentration of acid - An experiment to find out how changing the concentration of acid affects the rate of reaction Planning Aim: I am to find out how changing the concentration of the hydrochloric acid (HCL) affects the rate of reaction. The hydrochloric acid will be reacting with marble chips (small, medium, large). During my experiment I will be changing one variable. This will be the concentration of the acid. I will use the concentration of HCL from 0.5 molar/dm3 to 3.0 molar/dm3. I will use 3grams of marble chips for every size of chip....   [tags: GCSE Chemistry Coursework Investigation] 1113 words
(3.2 pages)
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The Effect of Changing Concentration of Hydrochloric Acid on Its Reaction with Carbon Dioxide - The Effect of Changing Concentration of Hydrochloric Acid on Its Reaction with Carbon Dioxide Plan Carbonates, including all forms of limestone, react with hydrochloric acid to produce Carbon Dioxide: Calcium ┼ Hydrochloric → Calcium ┼ Water ┼ Carbon Carbonate Acid Chloride Dioxide I'm going to experiment with changing the concentration of the hydrochloric acid in this reaction and seeing how it affects the amount of Carbon Dioxide that is produced. I predict that the amount of Carbon Dioxide will increase as the acid is more concentrated....   [tags: Papers] 1123 words
(3.2 pages)
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The Effect of Changing the Concentration of Hydrochloric Acid on the Rate of Its Reaction With Marble Chips - The Effect of Changing the Concentration of Hydrochloric Acid on the Rate of Its Reaction With Marble Chips A reaction is when two particles (reactants) join to form a new product or products . A rate is a measure of how fast or how slow something is. Rate is a measurement of the change that happens in a single unit of time. The rate of a chemical reaction is how fast the reactants react. To find a rate of reaction you measure the amount of product given off by the reaction in a unit of time ....   [tags: Papers] 672 words
(1.9 pages)
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Investigation: How does the concentration of acid affect the rate of reaction? - Investigation: How does the concentration of acid affect the rate of reaction. The aim of this investigation is to test how concentration affects the rate of reaction. My prediction for my investigation is that the higher the concentration, the faster the reaction will be. My reason behind my prediction is: · The higher the concentration, the more particles there are which will collide with enough energy to overcome activation energy, which is explained as the collision theory. Collision theory explains how chemical reactions occur and why rates of reaction differ....   [tags: GCSE Chemistry Coursework Investigation] 1397 words
(4 pages)
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Effect of Concentration on the Rates of Reaction Between Hydrochloric Acid and Marble Chips - Effect of Concentration on the Rates of Reaction Between Hydrochloric Acid and Marble Chips Aim; To investigate how changing the concentration of Hydrochloric Acid affects the Rate of Reaction of producing 20cm³ of Carbon Dioxide with Marble Chips. HCl +calcium carbonate => calcium chloride + carbon dioxide + water. HCl (aq) +CaCO3(s) => CaCl2 (aq) +CO2 (g) +H2O (l) Theory; All substances are made up of millions of particles. These particles may be atoms, molecules or ions....   [tags: Papers] 1901 words
(5.4 pages)
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Acid Rain - ... Once a lake has become acidic, the aquatic microorganisms will suffer, the first ones being crayfish and clam. The backbone to the lake’s food chain is the plankton-minute organisms which are also affected. Fish would suffer from the incapacity to regulate their body chemistry, a reduction in egg deposits, a DNA alteration in young fish and vulnerability to natural diseases. As aquatic life diminishes, water-eating birds will begin to disappear simultaneously. However, species such as lake-bottom plants, mosses and black fly larvae strongly benefit from acid rain (5)....   [tags: Environmental Science, Informative] 2147 words
(6.1 pages)
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What Affects the Rate of Reaction? - What Affects the Rate of Reaction. Hypothesis To form a reaction the particles must collide in high speed. The faster the particles collide the more kinetic energy is produced. This produces a bigger reaction. There are five key variables that affect the rate of a reaction (in this case with a solid and a solution): * Change in temperature An increase in heat energy within the particles leads to more kinetic energy. Therefore there is more collision of particles and it increases the rate of the reaction....   [tags: Reaction Rates Energy Science Essays] 2334 words
(6.7 pages)
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The Effects of Concentration on Rates of Reaction - The Effects of Concentration on Rates of Reaction Plan: I am going to investigate the affects of concentration on rates of reaction. I will do this by investigating the affect that different concentrations of hydrochloric acid have on a certain amount of marble chips. I want to see how long it takes for a set amount of carbon dioxide to be given off once the acid starts reacting with the marble chips. For a chemical reaction to take place the reacting particles must: A) Collide with sufficient energy or force for a reaction to take place....   [tags: Papers] 533 words
(1.5 pages)
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The Effect of Concentration on the Rate of Reaction - The Effect of Concentration on the Rate of Reaction Aim: We are going to investigate how change in the concentration of acid affects the rate of reaction. Introduction: Chemical Reactions are caused when the particles collide with each other to react. This is known as collision theory. Particles need enough energy to make a successful reaction. This is called activation energy when the minimum amount of energy is present a reaction happens. The formula for the collision theory is ½ mv2.....   [tags: Papers] 751 words
(2.1 pages)
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The Human's Impact on Acid Rain - The Human's Impact on Acid Rain Acid rain is any precipitation that is acidic in nature. Rain is already slightly acidic in nature because as it falls, it dissolves some of the carbon dioxide in the atmosphere and falls as very dilute carbonic acid. This is not significantly harmful to the environment Even though the concentration of Nitrogen oxides and sulphur oxides (which are the main causes of acid rain), are much less than the concentration of carbon dioxide in the atmosphere, the former gases are much more soluble and therefore have a much greater effect on the acidity of the precipitation....   [tags: Papers] 1212 words
(3.5 pages)
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Investigation into the Reaction Between Marble Chips and Hydrochloric Acid - Investigation into the Reaction Between Marble Chips and Hydrochloric Acid Planning ======== Introduction ------------ In the reaction between marble and hydrochloric acid, calcium carbonate particles from the marble react with the hydrogen chloride particles in the hydrochloric acid producing calcium chloride, water and carbon dioxide. The formula for this reaction is: CaCO3 (s) + 2HCl (aq) ® CaCl2 (s) +H2O (l) + CO2 (g) Choosing the variable --------------------- To investigate this reaction, first a variable must be chosen for the investigation....   [tags: Papers] 918 words
(2.6 pages)
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Rate of Reaction Between Marble Chips and Hydrochloric Acid - Rate of Reaction Between Marble Chips and Hydrochloric Acid The aim of this experiment is to find out how different variables affect the rate at which the reaction between Marble chips (CaCO ) and Hydrochloric acid (HCl) takes place. There are many variables that affect the rate of this reaction such as the following: 1. Temperature 2. Concentration (Pressure for gases) 3. Catalyst 4. Surface area In my investigation I will be testing how changing the concentration of the Hydrochloric acid....   [tags: Papers] 1914 words
(5.5 pages)
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Investigation of the reaction between hydrochloric acid and marble chips - Investigation of the reaction between hydrochloric acid and marble chips A chemical reaction is when two or more substance called reactants are chemically bonded to form a new product, as a result of the process, for a reaction to take place, the particles must have enough kinetic energy to collide and form new bonds , this is called a successful collision. The minimum amount of energy needed for a successful collision is activation energy, which is “The energy that an atomic system must acquire before a process can occur”....   [tags: GCSE Chemistry Coursework Investigation] 2169 words
(6.2 pages)
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Acid Rain: Its Effects on Aquatic Environments - Acid Rain: Its Effects on Aquatic Environments What is Acid Rain?: Acid rain is rain, snow or fog that is polluted by acid in the atmosphere and damages the environment. Two common air pollutants acidify rain: sulfur dioxide (SO2) and nitrogen oxide (NOx). When these substances are released into the atmosphere they are transformed into sulfuric acid (H2SO4) and nitric acid (HNO3) and can be carried over long distances by prevailing winds and return to earth as acidic rain, snow, fog or dust. When the environment cannot neutralize the acid being deposited, damage occurs....   [tags: Geology] 1056 words
(3 pages)
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Investigating the Rate of Reaction Between Marble Chips and Acid - Investigating the Rate of Reaction Between Marble Chips and Acid Introduction This is a test to demonstrate the reaction rate between marble chips (CaCO) and hydrochloric acid (HCl). Hopefully we will be able to prove that the concentration of the acid is directly proportional to the reaction rate. Aim To discover if the concentration of acid is directly proportional to the rate of reaction, by monitoring the amount of gas given off as the reaction takes place. Prediction We believe that the concentration of the acid will be directly proportional to the rate of reaction....   [tags: Papers] 1170 words
(3.3 pages)
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Factors Affecting the Decomposition of Marble Buildings by Acid Rain - Factors Affecting the Decomposition of Marble Buildings by Acid Rain Background Acid Rain: Nitrogen acids and sulphur dioxides come out of tall chimneys and vehicles. These go into the air, and air currents carry the gases away, and they react with water vapour and oxygen. This produces H2SO4 (sulphuric acid) and HNO3 (nitric acid). The acids become part of a cloud, and it falls down to earth, as acid rain or snow. This can end up miles away from the original source. The acid rain removes nutrients from soil, so plants can not get to them, so this eventually kills surrounding die....   [tags: GCSE Chemistry Coursework Investigation] 1583 words
(4.5 pages)
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Investigating The Rate Of Reaction Between Marble Chips And Hydrochloric Acid - Investigating The Rate Of Reaction Between Marble Chips And Hydrochloric Acid Planning I will use marble chips and different concentrations of hydrochloric acid and water to see how it affects the rate of reaction. I will use concentrations of 50cm3 using different volumes of water and acid. Introduction I am investigating how the rate of reaction between marble chips and hydrochloric acid is altered when the concentration is changed. This is the word equation for my investigation, Calcium + Hydrochloric Calcium + Carbon + Water [IMAGE]Carbonate Acid Chloride Dioxide The symbol equation for my investigation is, [IMAGE]CaCo3 + 2HCL CaCL2 + CO2+ H2O Prediction I predict that when I have a higher concentration I will have a faster rate of reaction....   [tags: Papers] 954 words
(2.7 pages)
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Investigating Factors that Affect the Rate of Reaction Between marble and Dilute Hydrochloric Acid - Investigating Factors that Affect the Rate of Reaction Between marble and Dilute Hydrochloric Acid The local Council are concerned about the effect of acid rain on the marble statues in the local park. Investigate a factor that affects the rate of reaction between marble (calcium carbonate) and dilute hydrochloric acid. There are three main factors that affect the rate of reaction. These are: Particle size Concentration Temperature With investigating any of these, there are slight problems which make them not as reliable as they could be....   [tags: Papers] 1226 words
(3.5 pages)
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Lab Report Investigating the Rate of Reaction Between Marble Chips and Acid when Variables are Changed - Investigating the rate of reaction between marble chips and acid when variables are changed Aim: to find out how changing the concentration of acid by diluting it affects the rate of reaction. Planning: I will use marble chips and different concentrations of hydrochloric acid and water to see how it affects the rate of reaction. I will use 30ml of liquid made up of different concentrations of acid diluted with water. Introduction: I have decided to vary the concentration of the acid as my variable I could have chosen other variables to change such as changing the heat of the acid, the size of the marble chips and many others variables....   [tags: essays research papers] 617 words
(1.8 pages)
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Pollutants from the Necessities - ... In other mines there are such things as tailings facilities (Viert). These tailings facilities are built to retrieve sediments, minerals, metals, et cetera that are produced or released in the mining process (Viert). Eighty percent of the heavy metals produced and released are retrieved in these; this eighty percent is all that is retrievable (Viert). Still the other twenty percent needs to be taken care of, and the neutralizing agents are perfect for the job (Viert). These neutralizing agents, limestone, calcium, and the like, can be expensive to obtain, but the cost is a necessity to live in this world safely (Viert)....   [tags: Environment, Pollution, Acid Rain, Mining]
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2445 words
(7 pages)
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Rates of Reaction - Rates of Reaction Introduction: In class we are doing an experiment on rates of reaction. We will do this experiment using the chemicals Calcium Carbonate and Hydrochloric acid, CaCo + Hcl. We will use five different concentrations of hydrochloric acid and find out which is the correct concentration to use with out in being too reactive or not reactive enough. For this experiment to work there are many things that must happen; The particles must collide together and the particles will then have enough energy to start a reaction....   [tags: Papers] 865 words
(2.5 pages)
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Making Carbon Di-Oxide Quickly - Making Carbon Di-Oxide Quickly Task: Carbon Dioxide can be made by reacting Calcium Carbonate (CaCo3(s)) with hydrochloric acid(2HCL (aq)). You have to identify the factors that speed up the rate of reaction and carry out an investigation into one of those factors. Factors involved: There are 5 factors which affect the speed of a reaction, they are: Ÿ Concentration of a solution, the higher the concentration of a solution the faster the reaction will be Ÿ Temperature: the increase of heat will increase the rate of reaction....   [tags: Papers] 989 words
(2.8 pages)
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Rate of Reaction - Rate of Reaction Coursework Aim: To investigate how temperature affects rate of reaction. Introduction: I am going to investigate how temperature affects the rate of reaction of hydrochloric acid with calcium carbonate. This is the reaction that will take place: Hydrochloric acid + Calcium Carbonate è Calcium Carbonate + Water + Carbon Dioxide The rate of reaction can be measured in various different ways: * Using a balance you can check the mass before the reaction and then after the reaction has taken place....   [tags: GCSE Chemistry Coursework Investigation] 1851 words
(5.3 pages)
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Rates of Reaction - An Experiment to show the reaction between Hydrochloric acid and Calcium Carbonate Introduction Hydrochloric acid + Calcium Carbonate Calcium Chloride + Carbon Dioxide + Water 2HCl(aq) + CaCO3(s) CaCl2(aq) + CO2(g) + H20(l) In this experiment we will be investigating the variables that can affect the speed of reaction between hydrochloric acid and calcium carbonate. During this experiment carbon dioxide is produced. This is what we are going to use to record the speed of reaction, for the faster the reaction the faster carbon dioxide is produced....   [tags: GCSE Chemistry Coursework Investigation] 3987 words
(11.4 pages)
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Rates of Reaction Investigation - Rates of Reaction Investigation AIM: - To investigate the effect of concentration of acid on the rate of reaction between marble chips (CaC03) and excess Hydrochloric acid (HCL). RATE: - Rate is a measure of the change that happens in a single unit of time. This change can be of any suitable unit of time (a second, a minute, an hour or even a day). Hence rate is a measure of how fast or how slow something is. Example, a money-printing machine can print bills at the rate of, 25 copies per second....   [tags: Papers] 2355 words
(6.7 pages)
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Temperature's Effect on the Rate of a Chemical Change - Temperature's Effect on the Rate of a Chemical Change Introduction This investigation is about how temperature can affect the rate of chemical change of calcium carbonate in the form of solid marble chips reacting with dilute hydrochloric acid. During the investigation I will try to find out how by changing the temperature of the solvent this will affect the rate of chemical change of calcium carbonate and hydrochloric acid. For every experiment I do, I will measure the amount of carbon dioxide given off from the reaction because I know there will be carbon dioxide given off because of the equation: [IMAGE] Metal Carbonate + acid Salt + Water + Carbon dioxide With that information I can work out the rate of chemical change by using the formula: RATE = volume of CO2(g) released Time There are a number of factors which can affect the rate of chemical change....   [tags: Papers] 770 words
(2.2 pages)
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Rates of Reaction Investigation - Rates of Reaction Investigation Aim: To investigate how changing the concentration of hydrochloric acid affects the rate of reaction between hydrochloric acid and calcium carbonate. Hydrochloric acid + Calcium Carbonate = Calcium chloride + Carbon Dioxide + Water 2HCl CaCO3 CaCl2 CO2 H2O Introduction: As part of my chemistry GCSE course, I will be investigating the rate of the above reaction. I will use scientific knowledge to help me understand the science behind the reaction and I will also conduct a preliminary experiment to find out suitable measurements of reactants to be used in the main investigation....   [tags: Papers] 2859 words
(8.2 pages)
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Reactions Between HCL and Marble Chips - Reactions Between HCL and Marble Chips Planning I have decided to investigate the effect of different concentrations of hydrochloric acid on marble chips. I want to see how long it takes for 30cm of carbon dioxide to be given off once the acid and marble chips start reacting. I carried out a preliminary experiment to see what sort of time ranges I was going to expect because I wanted to get the concentration levels right otherwise I could have been waiting for a long time....   [tags: Papers] 1267 words
(3.6 pages)
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The Effect of Temperature on the Rate of a Chemical Reaction - The Effect of Temperature on the Rate of a Chemical Reaction Investigating the rate of Carbon Dioxide production when Calcium Carbonate reacts with Hydrochloric acid. Introduction: A reaction's rate can be influenced by a number of variables; the surface area of the reactants; whether or not there is a catalyst in the experiment; the concentration of the reactants and the temperature of the reactants. In this investigation I plan to find out about how the temperature affects the rate of a reaction....   [tags: Papers] 979 words
(2.8 pages)
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Investigating Reactions - Investigating Reactions This investigation is to discover how certain factors can affect the rate of reaction between limestone (calcium carbonate) and hydrochloric acid (2m acid). ==================================================================== Plan ---- There are many things that can be varied such as: * Temperature * Concentration of acid * Surface area * Mass of CaCOз * Time * Amount of 2HCL * Adding catalysts In my experiment I have chosen to investigate how temperature affects the rate of reaction between CaCoз + 2HCL....   [tags: Papers] 1490 words
(4.3 pages)
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Rates of Reactions Investigation - Rates of Reactions Investigation Aim I aim to carry out an investigation to discover how different variables affect the rate of a reaction. Introduction I this investigation I am looking at the rate and aspects that affect the rate of this reaction: Word equation: [IMAGE]Calcium + Hydrochloric calcium + water + carbon dioxide Carbonate acid chloride Symbol equation: [IMAGE]CaCO3 + HCl CaCl2 + H2O + CO2 I now have to balance this equation: [IMAGE]CaCO3 + 2HCl CaCl2 + H2O + CO2 So the final equation is: [IMAGE]CaCO3(s) + 2HCl (l) CaCl2(s) + H2O(l) + CO2(g) This reaction is a metal carbonate reacting with an acid to produce a salt, water and carbon dioxide....   [tags: Papers] 2685 words
(7.7 pages)
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Investigate the effect of temperature on the rate of reaction - To investigate the effect of temperature on the rate of reaction Background Information: Chemical reactions take place all the time at many different rates, some are incredibly fast like an explosion-where you get no time to see what's happening or like rusting which could take years before the iron is completely rusted. The rate of reaction is extremely important because you need to know how long before the end of the session or you may not get results in time. In living organisms it's vital that all the chemical reactions take place at the rates which supply the cells with the things they need exactly when they need them....   [tags: GCSE Chemistry Coursework Investigation] 3176 words
(9.1 pages)
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Hard and Soft Water - Hard and Soft Water Hard water is made when water runs over or through landscape containing calcium ( Ca ) and magnesium (mg ) ions. These materials dissolve into the water making it hard. If rain water falls on limestone or chalk - CaMg (CO ) (this is the common form of limestone which contains both ca and mg ions. Some forms of limestone contain only one of these materials but the result is just the same) then the carbonic acid present causes a reaction Ca CO +H CO Ca (HCO ) MgCO + H CO My(HCO ) Calcium Hydrogen carbonate and magnesium hydrogen carbonate [Ca(H(O ) ] isn't strongly soluble in water and therefore it forms temporary hard water....   [tags: Papers] 1468 words
(4.2 pages)
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The Chemistry of Natural Waters - The Chemistry of Natural Waters Defined in Chemtrek as “The presence of the dissolved divalent cations Ca2+ and Mg2+. . . (which) gives natural waters chemical properties”, hard water has always been a curse to both animals and man 1 . It promotes scale, the buildup of magnesium and calcium to the point where a rock-like substance forms in household and industrial pipes, disrupts natural habitats and reproductive cycles of fresh water fish, and causes many health-related problems in humans 2 ....   [tags: Science Papers]
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2402 words
(6.9 pages)
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Rates of Reaction - How concentration affects the rate of reaction Aim:To investigate how different concentrations of hydrochloric aci9d affect the rate of reaction on marble chip, (calcium carbonate). Background information: Different reactions take place at different rate. The measurement of the change can take place in a single unit of time; it can take seconds, minutes, hours and even days. It can be either fast or slow. Reaction rates are explained by the collision theory. The collision theory is explained by the rate of reaction....   [tags: GCSE Chemistry Coursework Investigation] 2994 words
(8.6 pages)
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Rates of Reaction - Rates of Reaction What is a rate of reaction. The amount of change of a product or reactant in a given time. What affects the rate. a) Concentration of solution (more likely to collide as more in same vol.) b) Temperature (increases speed of molecules, more exceed EA) c) Surface area (same as concentration) d) Pressure of gasses (same as conc.) e) Catalyst (guide particles to correct orientation + lowers EA) f) Others e.g. light(light = increase in speed of particles) How are rates altered....   [tags: GCSE Chemistry Coursework Investigation] 3452 words
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Rates of Reaction - Rates of Reaction Reactions Reactions can only occur when two different particles come together. The theory for the way the reaction occurs is called The Collision Theory. The collision theory states that that the different particles need to collide with each other in order to react. However, they do not react if they collide without sufficient energy, and therefore the more energy a particle has, the more likely it is to react. The activation energy is the minimum amount of energy required by a particle in order to react....   [tags: Papers] 733 words
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Problems Associated with Celiac Disease and Lactose Intolerance - ... This causes symptoms such as bloating and cramping (“Lactose Intolerance”). The two causes of lactose intolerance are primary lactase deficiency and secondary lactase deficiency. In primary lactase deficiency the level of lactase enzyme falls as a person gets older. This does not allow the person to tolerate the amount of lactose that they were used to. This affects around 70 percent of the population. Secondary lactase deficiency is a temporary condition in which the level of lactase drops due to a problem in a person’s digestive system (“Celiac Disease”)....   [tags: Disease/Disorders]
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