"Reaction Of Calcium Carbonate And Hydrochloric Acid" Essays and Research Papers

Reaction Of Calcium Carbonate And Hydrochloric Acid

increase the reaction rate. This will result in the particles colliding more frequently and increasing the speed of the reaction. Also when they have more energy there will be more chance of the collisions being successful because the activation energy will be attainable. Hypothesis: In a reaction between calcium carbonate and hydrochloric acid, the products calcium chloride, carbon dioxide and water are formed. I predict that the higher temperature of HCl acid, the higher the reaction rate will be...

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To Investigate the Rate of Reaction Between Calcium Carbonate and Hydrochloric Acid

rate of reaction between Calcium Carbonate and Hydrochloric Acid. Just from looking at the aim of the investigation I already know that a salt would be formed because a carbonate with an acid forms a salt. In this investigation the substance that is formed is Calcium Chloride, Water and Carbon Dioxide. The symbol equation for this is: CaCo3  Ca2+ + Co32- Hcl  H+ + Cl- Add these all together to get CaCO3(s) + 2H+(aq) --> Ca++(aq) + H2O + CO2(g) The rate of reaction is just...

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An Investigation Into the Factors Affecting the Rate of the Reaction Between Calcium Carbonate and Hydrochloric Acid

An Investigation into the Factors Affecting the Rate of the Reaction between Calcium Carbonate and Hydrochloric Acid A chemical reaction is the process by which atoms or groups of atoms are redistributed, resulting in a change in the molecular composition of substances. The reaction rate is how quickly a reaction occurs and this can be affected by four different factors: ¡¤ changing the surface area of any solids involved ¡¤ changing the concentration of reactants in solution ¡¤ changing the...

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Rate of Decomposition of Calcium Carbonate

Rate of Decomposition of Calcium Carbonate Theory Calcium carbonate, CaCO3,is one of the most abundant minerals on the Earth. More than 4% of the Earth’s crust is composed of calcium carbonate. It is a major component in limestone, marble, seashells, bedrock, etc. Limestone and marble have been among the most widely used building materials for more than 5 000 years, from the pyramids in Egypt to the Parthenon in Greece and the Taj Mahal in India. In many places, limestone is also the foundation...

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Investigating the Rate of Reaction Between Marble Chips (Calcium Carbonate) and Hydrochloric Acid Aim.

Investigating the rate of reaction between Marble Chips (Calcium Carbonate) and hydrochloric acid Aim. In the investigation I am going to find out how the surface area affects the rate of reaction by measuring the amount of gas produced and weight loss in a reaction between small/large pieces of Marble Chips (Calcium Carbonate) and Hydrochloric acid per minute. Hypothesis. The rate of reaction increases when the surface area of a solid reactant is increased. This happens because by...

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Calcium Carbonate and Eggshell

the amount of calcium carbonate in brown versus white chicken eggs. Background: Calcium carbonate (CaCO3) is a component of seashells and eggshells that gives them their strength and hardness. Because calcium carbonate is a base, it will react with acids to form a salt and water. The complete reaction of calcium carbonate with hydrochloric acid is: CaCO3 (s) + HCl (aq) ( CaCl2 (aq) + CO2 (g) + H2O (l) The portion of the shell that is not calcium carbonate does not react with acid and remains...

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Reactions Of Acids

4 . 5 Reactions of acids Aim To investigate and compare some reactions of a strong acid, hydrochloric acid, and a weak acid, ethanoic acid (common name, acetic acid) Equipment Dropper bottles containing: • 0.1 M hydrochloric acid, HCl • 0.1 M ethanoic acid (acetic acid), CH3COOH • 0.1 M sodium hydroxide, NaOH • 1 M hydrochloric acid, HCl • 1 M ethanoic acid (acetic acid), CH3COOH • universal indicator solution • limewater (calcium hydroxide, Ca(OH)2) Marble chips (calcium carbonate, CaCO3)...

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Composition of calcium carbonate in egg shell

Aim: Calculate the percent composition of Calcium carbonate in egg shell Equipment: Pestel Mortar Conical flask Egg shell Measuring cylinder Balance Hydrochloric acid (1 mol/dm cube) Sodium hydroxide (1 mol/ dm cube) Pipette Burette Clamp Beaker Phenolphthalein Safety: Wear eye goggle during an experiment because of the strong hydrochloric acid In case, if there is an acid contact your skin, quickly wash your skin with water Pour acid on body level so it does not interact with...

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nvestigating 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...

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Antacids: Calcium Carbonate and Magnesium Compounds

Antacids are defined as a substance, generally a base, which counteracts stomach acidity. The name antacid means anti-acid (against acid). Antacids are the primary treatment for ailments such as gastric reflux, gastritis, upset stomach and heartburn. Hydrochloric acid is secreted by the stomach to kill harmful organisms, aid digestion and activate digestive enzymes. Excess secretion of acid into stomach or impaired resistance by the lining of the stomach or reflux into the oesophagus may produce symptoms...

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percentage of calcium carbonate in egg shell

mass of Calcium carbonate in an egg shell Aim: is to find and work out the percentage of calcium carbonate by mass in eggshells by using acid base “back titration” Introduction: Calcium Carbonate, CaCO₃, is a compound which is polymorphic and therefore means that it can be found in a variety of different objects or organisms. For example: Rocks (limestone,calcite), sea snail shells, Eggshells, pearls and many more. This investigation will focus on finding out the percentage mass of calcium carbonate...

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Reaction Rates of Marble Chips

How can we speed up the reaction between Calcium Carbonate and Hydrochloric Acid? Contents 1. Plan  Aim  Equipment  Variable Factors  Prediction  Method  Trial Run 2. Results  Results Tables 3. Analysis and Conclusions  Graphs  Conclusions 4. Evaluation  Accuracy Of Results  Reliability  Improvements  Extending the Investigation 1. Plan Aim I am doing this...

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Investigation of Hydrochloric Acid with Indigestion Tablet

using different concentrations of hydrochloric acids (HCl) and indigestion relief tablet. I will also mention the time which was taken in the experiment, to see how fast the hydrochloric acid took with indigestion tablet with different concentrations. Indigestion tablets are alkali and they are used for to neutralise the excess acid in the stomach. Indigestion Tablet Indigestion is caused by excess acid in the stomach. The tablets neutralise some of this Acid and this is known as ‘Neutralization’...

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An Investigation in to the Rate of Reaction

An investigation in to the rate of reaction Plan: I am going to investigate the rate of reaction. The reaction I will be using is: Calcium Carbonate + Hydrochloric acid ---- Calcium Chloride + water + carbon dioxide. CaCO3 + 2HCl ---- CaCl +H2O + CO2 Measurements and Variables: The variables I have chosen to change is strength of the hydrochloric acid which will be 1 mole, 0.7 mole, 0.5 mole, 0.3 mole and 0.1 mole some variable I will not be using are temperature, mass, density. The measurements...

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Does Temperature Affect the Reaction Rate Between Marble Chips and Hydrochloric Acid?

Carbonates react with strong acids to give off carbon dioxide and water. Marble is calcium carbonate and thus behaves in the same way: CaCO3 (s) + 2HCL (aq)  CaCL2 (aq) + H2O (l) +CO2 (g) In this experiment, I am going to see if temperature affects the reaction rate between marble chips and hydrochloric acid by timing the release of carbon dioxide in the reaction. I predict the higher the temperature, the faster the reaction rate. This is due to the kinetic theory. The more heat...

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Calcium Hydroxide

[pic] Use words from the list to label the diagram. electron group nucleus symbol (2) b Hydrogen can be used as a clean fuel for cars. i When hydrogen burns in air, it reacts with another element. Complete the word equation for this reaction. hydrogen + ................... → water (1) ii Suggest one reason why hydrogen is called a clean fuel. (1) ...

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Rates Of reaction- The reaction between limestone and hydrochloric acid

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. We done this using 0.1M, 0.5M and 1M of Hydrochloric acid, and 0.1g of powdered limestone, we used powdered limestone, as it would be a fairer test, I think this as all the particles of limestone will...

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Hydrochloric Acid

ICSE Class X Chapter 5 Hydrogen Chloride and Hydrochloric Acid Hydrogen chloride (HCl) : Formula : HCl Nature : Covalent. Molecular Mass : 36·5u [i.e. HCl = 1 + 35·5 = 36·5] Occurrence : (i) Present in gastric juices. (ii) Present in volcanic gases. Laboratory preparation of HCl gas : Hydrogen chloride gas is prepared in laboratory by heating conc. H2SO4 with NaCl. NaCl + H2SO4 Heat  → NaCl + NaHSO4 Heat  → NaHSO4 + HCl Sodium hydrogen sulphate Na2SO4 + HCl ...

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Rate of reaction between Hydrochloric acid and magnesium

Aim: The aim of my experiment is to find out the rate of reaction between Hydrochloric acid (HCL) and Magnesium (Mg) in different temperatures. The products that will be formed are Magnesium Chloride (MgCl2) and Hydrogen (H2). Prediction: I predict that as the temperature increases the rate of reaction also increases. To further explore the fact I further predict that the rate of reaction will double for every 10° C rise in temperature. I further predict as the temperature rises by 10° C the rate...

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Speed of Chemical Reactions - Prac Report

The speed of chemical reactions – class experiment By Julia Shuker Year 10 science – Miss Phillips – Term 2 – 2013 – Julia Shuker Aim The aim of the experiment was to investigate the factors that increased or decreased the speed of chemical reactions between two different chemical reactions. Hypothesis If certain factors, such as concentration, temperature, catalyst and surface area are increased then the reaction rate will also increase due to...

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A Lab experiment on how to determine the enthalpy change of the decomposition of Calcium Carbonate

Decomposition of Calcium Carbonate _INTRODUCTION_ RESEARCH QUESTION: What is the enthalpy change of the decomposition of calcium carbonate? BACKGROUND: Enthalpy in chemistry can be thought of as the energy contained within the bonds, or the internal energy, but it is not heat and you can only measure changes in it. When bond bonds break in the reactants energy is given off, when bonds form, energy is absorbed. If the energy absorbed is less than the energy released, then the reaction is exothermic...

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factors effecting reaction rates (chem lab)

Size, Temperature, Concentration, and a Catalyst on Reaction Rate Introduction: Chemical reactions can be affected by a number of different factors. Particle size, temperature, concentration of a solution, and catalysts play a big role in the rate of reaction, they determine how fast a reaction will occur. According to the collision theory, the rate of reaction depends on the frequency of effective collisions between particles. Every reaction is different in that they all require different conditions...

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Antacids: Stomach Acid

Introduction An acid-base titration is a method of neutralizing strong acids. Unbeknownst to many, acid-base titrations occur on a daily basis. Our stomachs use acid to help us digest our food – approximately .155 hydrochloric acid (HCl) with a pH of 2-3. When too much of this acid is formed in the stomach, heartburn and other discomfort occurs. This is when people grab for their antacids; these are bases that neutralize the excess acid in the stomach. Calcium carbonate, magnesium hydroxide...

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Standardisation of Hydrochloric Acid Report

STANDARDISATION OF HYDROCHLORIC ACID REPORT Aim: To standardize an unknown solution of hydrochloric acid Method: See INSTRUCTIONS for practical 6.2 & 6.3 Results: Attempt No. | Titre (mL) | | 1 | 20.9 | Rough Titration | 2 | 20.5 | | 3 | 20.7 | Concordant Titres | 4 | 20.7 | | 5 | 20.7 | | (1) Tabled Results (2) Concordant Titrations Results 20.7 mL | 20.7 mL | 20.7 mL | Average of Concordant: (20.7 + 20.7 +20.7) 3= 20.7 mL Calculations: ...

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Rates of Reaction

Coursework – Rates of Reaction Research The rate of reaction tells us how quickly a chemical reaction takes place. It is important for people in industry to know how fast a reaction goes. They have to know exactly how much of their product they can make each hour, day or week. In a shampoo factory, the rate might be 100 bottles per minute. We can't work out the rate of a reaction from its chemical equation. Equations can only tells us how much product we can get. They don't say how quickly...

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What Effect Will the Concentration of Hydrochloric Acid Have on the Rate of Reaction Between Hydrochloric Acid and Magnesium?

Introduction In this chemical reaction, the magnesium will dissolve in the hydrochloric acid to produce hydrogen gas. This is because magnesium is higher than hydrogen in the reactivity series. Therefore, when the two reactants are combined, a displacement reaction occus and the magnesium displaces the hydrogen, forming magnesium chloride and hydrogen gas. Mg (s) + 2HCl (aq) -> MgCl 2 (aq) + H 2 (g) Magnesium + Hydrochloric acid -> Magnesium Chloride + Hydrogen ...

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Percent Yield of Calcium Carbonate

SCH 3U0 May 7th 2013 Percent Yield of Calcium Carbonate Introduction: The purpose of this experiment is to examine the percent yield of a precipitate in a double displacement reaction. A solution of calcium citrate and sodium carbonate were mixed together, then the products were filtered out as so only the precipitate remained. The filtered paper was then dried and the mass of the precipitate in the experiment divided by the theoretical mass of the precipitate from the calculated gave...

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Oxygen and Reaction

Observations: Part I: Reaction between iron and oxygen Appearance of steel wool after 20 minutes From (relatively) shiny metal strips to not-so-shiny strips that are stained with dark, reddish-brown stuff. Part II: Decomposition of hydrogen peroxide Appearance of potato and hydrogen peroxide combination: Lots of white, foamy bubbles around the potato slices. Day 2 Observations: Part III: Reaction between zinc and acetic acid Appearance of penny in vinegar after...

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Chemistry Study Guide Acids and Alkalis

Chapter 10 ComMon Acids and Alkalis 10.1 Acids and Alkalis 1. Acids taste sour. Many fruits contain acids. 2. The three mineral acids commonly found in the laboratory are hydrochloric acid, sulphuric acid and nitric acid. 3. Alkalis taste bitter and feel soapy or slippery. 4. The common alkalis found in the laboratory are sodium hydroxide solution, potassium hydroxide solution, calcium hydroxide solution and ammonia solution. 10.2 Acid-Alkali Indicators 1. An acid-alkali indicator...

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The Preparation of Calcium Carbonate Lab

11/17/2011 The Preparation of Calcium Carbonate Purpose: To create chalk (calcium carbonate) and to find the percentage yield in order to see the amounts of anhydrous sodium carbonate and calcium chloride were used up. Also to see if there’s any alterations like mass differentials. Objectives: 1. To introduce the concept of “limiting factor” in a chemical reaction 2. To practice a. Writing a balanced equation b. Determining the number of moles of each reactant and product ...

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Determining the Ksp of Calcium Hydroxide by Titration of Saturated Ca(Oh)2(Aq) with Hcl(Aq)

Determining the Ksp of Calcium Hydroxide by Titration of Saturated Ca(OH)2(aq) with HCl(aq) Abstract: Titration is a technique that has been used in this experiment to identify the Ksp value of calcium hydroxide in order to determine the extent to which the compound is soluble in water. A known volume of 50 mL of hydrochloric acid, a concentration of 0.05 M hydrochloric acid, a volume of 50 mL calcium hydroxide base, an unknown...

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Chemistry Rates of Reaction Coursework: Sodium Thiosulphate and Hydrochloric Acid

investigation to show how the rate of reaction between hydrochloric acid and sodium thiosulphate is affected by the concentration of the acid Simple Procedure Place a conical flask on a piece of paper with a cross on it. Add hydrochloric acid and sodium thiosulphate, and record the amount of time taken for the cross to disappear through the solution from the top of the flask. Record this time and repeat this for different concentrations of hydrochloric acid. Fair Test The variables in this...

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Hydrochloric Acid + Magnesium Ribbon

effect of changing the concentration on the rate of reaction Aim: To investigate into the effect of changing the concentration on the rate of reaction Variables: · Keep the same volume · Keep the same length of magnesium · Change the amount of acid · Change the amount of water Method: · Set up apparatus as shown · Add 30ml of hydrochloric acid into the beaker · Measure 5cm of magnesium · Add the 5cm of magnesium to the hydrochloric acid · Put a bong onto the conical flask · Start...

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Chemical Reactions Lab

Classifying Chemical Reactions Purpose: The purpose of this experiment is to observe a variety of chemical reactions and to identify patterns in the conversion of reactants into products. Apparatus: • Bunsen or lab burner -Test tube clamp • Butane safety lighter - Test tube rack • Evaporating dish - Wash bottle • Forceps or crucible tongs - Wood Splints • Heat resistant pad • Litmus paper • Pipets • Spatula • Test tubes Materials:  Ammonium carbonate, 0.5g  Calcium...

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Double Replacement Reactions

Replacement Reactions (Data and Calculations) Objective: Classify the chemical reaction through observation, which each reagent produce when mixed with another reagent. After careful observation, be able to prove each observation using the net ionic equation. Background: First, a double-replacement reaction is when two cations in different compound switch anions, AX + BZ → BY. If either compounds are insoluble a precipitate occurs, and if there is no precipitate formed there is no reaction. Also,...

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Acid Strength

Acid Strength Grade 10- Science (chemistry) 11/23/2012 Mariana Boff Acids Strength Acids are substances that contain hydrogen atoms which detach to form hydrogen ions when the acid is dissolved. Acids are divided into two main categories: the strong and weak acids. The stronger ones are very corrosive and can cause severe skin burns, here are some examples: nitric acid (HNO3), hydrochloric acid (HCl) and sulfuric acid (H2SO4). The weaker ones are less corrosive and when in touch with the...

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Titration of Calcium HydroxideG

Calcium Hydroxide Titrated with Hydrochloric Acid By: Juliana Kadiasi Signature__________________________________________ (Experimental team: Ashley Tsao, Sophie Alvarez, Catherine Hering) IB Chemistry HL B3 For: Mr. Ahmed. Belmir 15 September 2014 Criteria Aspect IA IA Total Design 1. Identified Problem & relevant variables 2. Procedure controls variables 3. Procedure & relevant sufficient data Data Collection & Processing 1. Precise & accurate...

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The Rate of Reaction Between Sodium Thiosulphate and Hydrochloric Acid

The rate of reaction between sodium thiosulphate and hydrochloric acid Candidate name: Yeo Jin Kim (Kimberly Kim) Candidate number: 000791-021 Teacher: Yitao Duan 1.0 Aim The aim of this experiment is to investigate the changing of concentration effect the rate of reaction between sodium thiosulphate and hydrochloride. 2.1 Chemical Equation 2.0 Raw data 3.2 Qualitative Data 2.1.1 Before the experiment Substance | Color | State | Smell | Hydrochloride (HCl) | Colorless...

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To Investigate How Does the Concentration of Hydrochloric Acid Affect the Rate of Reaction?

To investigate how does the concentration of Hydrochloric acid affect the rate of reaction? Outline I aim to discover how different concentrations of Hydrochloric acid influence the rates of reaction. In order to carry out this investigation I have decided to use marble chips, which I will vary the sizes as powder, small chips and large chips. I will also be changing the concentration, the different concentrations are as follows 0.2m, 0.5m, 1m, 1.5, 2m. I have chosen these concentrations as they...

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The Percentage by Mass of Calcium Carbonate in Eggshells

mass of calcium carbonate in eggshells. Introduction To avoid the breakage of eggs before reaching market, the eggshells needs to be as strong as possible. The strength of eggshells is mainly determined by the percentage of calcium carbonate in it. In order to monitor the quality of eggshells, the following experiment has to be done to determine the percentage of calcium carbonate in eggshells. In this experiment, back titration is used. First, excess acid is reacted with the calcium carbonate...

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To Compare the Reactivity of Various Metals by Observing Their Reaction with Hydrochloric Acid.

reactivity of various metals by observing their reaction with hydrochloric acid. Materials: 2 M hydrochloric acid Detergent Test tubes and test tube rack 0.5 pieces of magnesium, aluminium, iron, zinc and cooper Sand paper Ruler Timer Bench mat Method: ‎1. The surface of the magnesium was cleaned with a piece of sandpaper 2. The Magnesium was placed into a test tube 3. Three Drops of detergent were added to the test tube 4. 2cm of hydrochloric acid was added to the test tube 5. The timer...

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Chemistry - Rates of Reaction Investigation

Coursework – Rates of Reaction Investigation Introduction In this investigation I am going to be investigating the reaction between marble chips and hydrochloric acid, and to see what differences in the rate of this reaction arise when different concentrations of acid are used. Below is the word equation for this reaction: Calcium Carbonate + Hydrochloric Acid = Calcium Chloride + Carbon Dioxide + Water Below is the fully balanced chemical equation for this reaction. CaCo3 + HCl...

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Cis-Trans Isomers of but-2-Enedioic Acid

But-2-enedioic acid Introduction Cis-trans isomers are a kind of stereoisomers called geometrical isomers. Due to the inability of rotation about the C=C bond, some compounds possess cis and trans isomers. But-2-enedioic acid is an example of having both isomers. Maleic acid Fumaric acid Cis and trans isomers have different physical properties such as boiling point, solubility, density and stability. In this experiment some maleic acid is converted to fumaric acid by...

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The Rate Of Reaction Between marble Chips and 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. The solution fizzes and gives off the gas carbon dioxide. I will collect this gas in a gas syringe and will time how long it takes for the reaction to produce 100cm3 of carbon dioxide. CaCO3 +2HCL Co2 +CaCl2 +H2O CalciumHydrochloricCarbonCalciumWater...

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Stoichiometry of a Precipitation Reaction

Experiment 3: Stoichiometry of a Precipitation Reaction Abstract: In this experiment the objectives were to try and predict the amount of product that was produced in the precipitation reaction of calcium carbonate by using stoichiometry. Then learn how to figure out the actual yield, theoretical yield and percent yield of the experiment. Experiment and Observation: The first step in the experiment was to weigh 1g of CaCl2 +2 H2O, then pour it into the 100mL...

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Calcium carbonate grinding mill

Description There are five types of Shanghai CLIRIK Calcium carbonate grinding mill/machine, they are HGM80, HGM90, HGM100, HGM100A and HGM125. The finished production fineness can be reached 300meshes~3000meshes, 5-47 micron. The capacity (ton/hour) ranges from 0.4T/H to 12T/H. Working Principle of Calcium carbonate grinding mill/machine: Calcium carbonate grinding mill/machine mainly consist of main unit, classifier, powder collector, dust cleaner, blower, muffler, sound-proof room, crusher...

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Separation of a Mixture Containing Calcium Carbonate and Naphthalene

Thursday 9/29/11 3:00pm Michaela Howard Partner: Craig Delancy Separation of a Mixture Containing Calcium Carbonate and Naphthalene Objective: Finding a method to successfully separate a mixture of calcium carbonate and naphthalene. Properties to be considered: Calcium Carbonate Naphthalene Solubility in water slightly insoluble Solubility in ethanol insoluble partially Melting point 825 degrees C 80.2 degrees C Boiling point decomposes 218 degrees...

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Standardization of Acid/Base

STANDARDIATION OF ACID AND BASE Eunice Ivy B. Gamboa ABSTRACT Solutions of known concentration are prepared by dissolving measured masses of standard acids in distilled water. The concentrations of unknown solutions of sodium hydroxide are determined by titration. An acid solution reacts with a base solution in a "neutralization" reaction. Titrations permit the concentrations of unknown acids/bases to be determined with a high degree of accuracy. In order to analyze unknown acids/bases, we must have...

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Chemical Equation and Reaction

Chemical Reactions and Equations Chemical Reaction: The transformation of chemical substance into another chemical substance is known as Chemical Reaction. For example: rusting of iron, setting of milk into curd, digestion of food, respiration, etc. In chemical reaction new substance is formed which is completely different in properties from the original substance, so in a chemical reaction chemical change takes place. Following are the signs of chemical reaction: (a) Change of state of substance...

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Investigating Factors That Affect Rates Of Reaction

Affect Rates Of Reaction Aim: How does the mass of calcium carbonate affect its rate of reaction with hydrochloric acid? Hypothesis: I hypothesize that when the mass of the calcium carbonate increases, the rate of reaction of the calcium carbonate and hydrochloric will also increase. The collision theory states that the more successful collisions there are within the reaction, the faster the rate of reaction. When the mass increases, so does the number of particles in the reaction, thus increasing...

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The Calcium Carbonate Content of White to Brown Eggshells

mass of calcium carbonate content?Calcium carbonate is a substance found in the eggshells giving them hardness and strength. It is essential to the commercial egg industry that the biggest possible amount of eggs reaches the market. Hence, as calcium carbonate reacts steadily with hydrochloric acid to produce carbon dioxide as well as two other substances, I investigated which type of an eggshell contains more calcium carbonate. This reaction cannot be used directly to titrate the calcium carbonate...

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Extraction with Acid and Alkaline

Title:Extraction:Extraction with acid and alkaline Objective: 1. To recover benzoic acid and p-dichlorobenzene from its mixture using acid-alkaline extraction. 2. To determine the percentage recovery and melting point of benzoic acid and p-diclorobenzene. Apparatus:Separatory funnel(250mL),Buchner funnel,beaker. Materials:Benzoic acid,p-dichlorobenzene,ether,10% NaOH,conc.HCl,distilled water, anhydrous CaCl2. Introduction: Organic compounds in an aqueous mixture can be...

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Standardization of Hydrochloric Acid by Sodium Carbonate

Standardization of hydrochloric acid by sodium carbonate Concentrated hydrochloric acid is roughly 11 M. Pour out into a measuring cylinder about 2 cm3 of concentrated hydrochloric acid. Transfer it to a 250 cm3 flask and make up to the mark with water. Shake well. Put some pure sodium hydrogen carbonate or anhydrous sodium carbonate into an evaporating dish and heat gently over a low flame for about fifteen minutes, stirring continuously. Take care not to heat the mass too strongly or fusion...

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Reactions of butanols with hydrbromic acid

Experiment 28: The reaction of Butanols with Hydrobromic Acid Pre-lab Objective: The objective of this experiment is to synthesize 1-bromobutane and 2-bromobutane with different catalyst:substrate ratios to determine which ratio is the most economically favorable. Discussion: In this experiment, 1-butanol or 2-butanol will be converted to the corresponding alkyl bromide with HBR, while using sulfuric acid as a catalyst. The sulfuric acid will accelerate the chemical reaction with being consumed...

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Neutralizing Sodium Hydroxide Using Different Concentrations of Hydrochloric Acid

heat is given out in neutralizing sodium hydroxide  (NaOH) using different concentrations of Hydrochloric Acid.  Background Information:-  Substances that neutralize acids are called alkalis. An acid is a  substance that forms hydrogen ions (H+ ) when placed in water. It can  also be described as a proton donor as it provides H+ ions. An  example of an acid is hydrochloric acid (HCl), Sulphuric acid (H2SO4)  etc. An alkali is a soluble base and forms hydroxyl ions (OH-) when  placed in water...

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Chemistry Lab Report- Exo and Endothermic Reactions

examine a number of different chemical reactions and determine if they are exothermic or endothermic. Apparatus: • Test tubes {Around 10-12 in number} • Test-tube rack • Spatula • Digital thermometer { ± 0.1° C} • Digital balance {± 0.01 g} • Measuring cylinder {± 0.5cm³} • Different chemicals Introduction/Theory: Exothermic reactions are those reactions that release energy in the form of heat. Endothermic reactions need to absorb energy in the form of heat...

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Preparation and Reactions of Boric Acid

Experiment 6 Preparation and reactions of boric acid Objectives: To prepare boric acid from sodium tetraborate (borax) To carry out tests on the prepared sample of boric acid To study the physical and chemical properties of boric acid Introduction: Boron is an element in the p-block of the periodic table. It has the electron configuration of 1s22s22p1 and is in group 3 or goup 13 (IUPAC classification). In nature, it consists of two isotopes 10B (19.6%) and 11B (80.4%). Boron is bonded...

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determine the mass of calcium carbonate in chicken eggshells and hence its percentage by mass

Aim: determine the mass of calcium carbonate in chicken eggshells and hence its percentage by mass Apparatus Uncertainty 25.00 cm3 pipette ± 0.03 cm3 50.00 cm3 burette ± 0.05 cm3 250.0 cm3 volumetric flask ± 0.3 cm3 50.0 cm3 measuring cylinder ± 0.5 cm3 Electronic balance ± 0.01 g Uncertainty of apparatus Measurement Mass of eggshell = 3.15 ± 0.01 g Volume of HCl added = 50.00 ± 0.5 〖cm〗^3 Volume of solution = 250.0 ± 0.3 〖cm〗^3 Volume of NaOH pipetted = 25.00 ± 0.03 〖cm〗^3 ...

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Analyze a solution of potassium hydroxide using standard hydrochloric acid Theory .

Experiment 4: Analyze a solution of potassium hydroxide using standard hydrochloric acid Theory . Introduction: Titration is a procedure used in chemistry in order to determines the molarity of an acid or a base. In the other words, it is also consider as acid-base neutralization reaction (Darrell D. Ebbing 1976). A chemical reaction is set up between a know volume of a solution of unknown concentration and a known volume of a solution with a known concentration. The relative acidity or...

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Acids,Bases and Salts

Acid Base And Salt Acid Acids:- The word ‘Acid’ came from Latin word ‘Acidus or Acere’ which means sour. Sour taste is the most common characteristic of acid. Acid turns blue litmus paper red. There are many substances which contain acid and hence taste sour, such as curd, tamarind, lemon, etc. Types of Acids:- Acids are divided into two types on the basis of their occurrence – Natural acids and Mineral acids. Natural Acid:- Acids which are obtained from natural...

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