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Concentration - Free Essay Examples and Topic Ideas

Concentration refers to the ability to focus one’s attention on a specific task or objective. It involves being fully present and engaged in the activity at hand, while avoiding distractions or interruptions. Concentration is a key aspect of productivity, learning, and performance in various areas of life, such as work, school, sports, and hobbies. It requires mental effort, discipline, and practice to develop and maintain over time. A lack of concentration can lead to procrastination, boredom, and poor outcomes. On the other hand, improving concentration can help enhance one’s abilities, increase efficiency, and achieve desired results.

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  1. 1
    Understanding Enzyme Function & Experimental Methodology
    Words • 905
    Pages • 4

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    Paper Type:850 Word Essay Examples
    If the temperature is too high then the enzyme will denature. This means that the active site will be damaged, and will no longer fit with the substrate. This means that no reaction will occur. pH Independent - If the pH is very different to an enzymes optimum pH then the enzyme can be denatured as the hydrogen ions (of which pH is a measure) can interact with the amino acid R groups and affect the way they bond with…
    ChemistryConcentrationEnzyme
  2. 2
    Volumetric Analysis
    Words • 1408
    Pages • 6

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    Paper Type:1400 Word Essay Examples
    The aim of this investigation is to find the various measurements of concentration (Also called the morality) of acid that will neutralise 1 mole of sodium hydroxide. This is found using the titration method. Prediction I predict that the volume of acid that will be used to neutralise the given solution would depend on the concentration. The more acid I add to an alkali, the more neutral it will become. If I add too much acid, the solution will not…
    ChemistryConcentrationMaterialsSulphuric AcidTitration
  3. 3
    Rates of reaction between sodium thiosulphate and hydrochloric acid
    Words • 962
    Pages • 4

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    Paper Type:1000 Word Essay Examples
    Tom - this is good, in that it's all there. But it's muddled - again, I don't think you've really gone away from it and then come back fresh, and read it through to see if it makes sense. There's no point submitting work until you have. My comments are in italics You need to explain the chemistry behind the theory - it will be in your textbook I imagine Rates of reaction between sodium thiosulphate and hydrochloric acid Aim…
    ChemistryConcentrationPhysicsTheoryWater
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  4. 4
    The Rate of Reaction between Hydrochloric Acid and Sodium Thiosulphate Solution
    Words • 1112
    Pages • 5

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    Paper Type:1200 Word Essay Examples
    The Rate of Reaction between Hydrochloric Acid and Sodium Thiosulphate Solution a) Introduction. When Hydrochloric acid is added to a solution of sodium thiosulphate, a reaction takes place in which sulphur is slowly precipitated and the mixture becomes more and more opaque. 2HCl (aq) + Na2S2O3 (aq) 2NaCl (aq) + H2O (l) + SO2 (g) + S (s) This gives us a simple way of finding the rate of reaction. If in each experiment, the same volume of solution is…
    ChemistryConcentrationWater
  5. 5
    Concentration and Reaction Rate: A Cause-Effect Relationship?
    Words • 829
    Pages • 4

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    Paper Type:800 Word Essay ExamplesCause And Effect Essay
    This investigation is appropriate for a general or first-year college-prep course. The effect of changing the concentration of thiosulfate ion is studied by observing the time required for a fixed amount of product to form. As the reaction proceeds, the solution becomes cloudy due to the formation of a colloidally dispersed precipitate of sulfur. In order to determine the point at which a specific amount of product has formed, an "x" is observed through the solution. The reaction is timed…
    ChemistryConcentrationMaterials
  6. 6
    Measuring Cylinder
    Words • 1646
    Pages • 6

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    Paper Type:1600 Word Essay Examples
    The other independent variable was the hydrochloric acid as we changed it to 2M. We also changed the way we put the calcium powder first and then put the hydrochloric acid after, as we established that it would facilitate the process and assure better results. It would be easier to quickly place the bung inside to prevent the gas from escaping. We also timed the readings of the gas 10 – 120 seconds. The reason why we left it to…
    ChemistryConcentrationWater
  7. 7
    Investigating the Water Potential of Root Vegetables
    Words • 2409
    Pages • 9

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    Paper Type:2500 Word Essay Examples
    For my experiment I will be investigating the water potential of root vegetables. The vegetable I am going to use is turnip. I am going to use turnip because it is a uniform vegetable. This investigation is about osmosis. "Osmosis is the net movement of water molecules from an area of high water potential to an area of low water potential. This takes place through a partially permeable membrane." Water potential is the potential energy of the water molecules on…
    ConcentrationOsmosisWater
  8. 8
    Finding Concentration of a Solution
    Words • 1711
    Pages • 7

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    Paper Type:1800 Word Essay Examples
    Jason Yu (Block C) Research Question Which of the following methods give a value of NaOH concentration closest to the 'real' value1? 1. Weighing the solute, 2. Titrating it 1. No literature value available, we need to find by most accurate method Data Collection: Method A (Weighing NaOH) Quantitative Data: Method A: Weighing NaOH Mass of NaOH pellets (zeroed beaker) = 0.412 � 0.001 g Volume of standard solution = 100.0 � 0.5 cm3 Qualitative Data: On electronic balance: Two…
    ChemistryConcentrationTitration
  9. 9
    Factors Affecting CO Production from Carbonate-Acid Reaction
    Words • 2157
    Pages • 8

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    Paper Type:2500 Word Essay Examples
    In this investigation I will aim to investigate the factors affecting the volume of carbon dioxide gas produced when Calcium carbonate reacts with Hydrochloric acid. This is shown in the equation below. CaCo + HCL CaCl + Co + H O Calcium Carbonate + Hydrochloric acid Calcium Chloride + Carbon dioxide + water My results will be in cm�. I will workout my predicted results with the help of the moles equation We were given six different variables to experiment…
    Calcium carbonateCarChemistryConcentrationMaterialsWater
  10. 10
    Estimating Iron(II) and Iron(III) in a Dual Mixture: Procedure
    Words • 1526
    Pages • 6

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    Paper Type:1500 Word Essay Examples
    Iron is a transition element; a transition element is an element that forms at least one ion with a partially filled d subshell. All transition elements may be found in a variety of oxidation states, for example iron exists as both as Iron(II) and Iron(III). Transition elements can react with both oxidising and reducing agents. An oxidising agent will convert Iron(II) into Iron(III), the iron will lose an electron. A reducing agent will convert Iron(III) into Iron(II), the iron will…
    ChemistryConcentrationMaterialsTitration
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  11. 11
    The Estimation of Iron (II) and Iron (III) in a Mixture Containing Both
    Words • 1315
    Pages • 5

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    Paper Type:1400 Word Essay Examples
    Planning:- Fe2+ Fe3+ + e- (multiply by 5) MnO4- + 5e- + 8H+ Mn2+ + 4H2O MnO4- + 8H+ + 5Fe2+ Mn2+ + 5Fe3+ + 4H2O Background Knowledge - Iron, Fe, is a transition metal with the atomic number 26. Iron is a magnetic, malleable and metallic silver element. Iron has the ability of having multi valences, commonly Fe2+ or Fe3+. Fe2+ forms ferrous compounds, whereas Fe3+ tends to form ferric compounds. Iron can be used as a catalyst due…
    ChemistryConcentrationMaterialsSulphuric AcidTitration
  12. 12
    Pectinase concentration impact on pectin degradation
    Words • 6736
    Pages • 25

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    Paper Type:7000 Word Essay ExamplesSimilarities and Differences Essay
    Aim: My aim is to find out how different concentrations of the enzyme pectinase affect the degradation of the substrate pectin, and hence the volume of clarified apple juice produced in a specific duration of time. Hypothesis: Will different enzyme concentrations have different effects on the yield of clarified apple juice obtained from apple pulp of equal masses, in a given time? Biological Knowledge: Enzymes are a class of proteins, which are biological catalysts responsible for speeding up and controlling…
    ConcentrationEnzyme
  13. 13
    Determine the concentration or molarity of Ethanoic acid
    Words • 1987
    Pages • 8

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    Paper Type:2000 Word Essay Examples
    The aim of this investigation is to determine the concentration or molarity of Ethanoic acid (CH3COOH) in two types of commercial vinegar. To set about this, values of percent by mass have been noted from the internet and the modal value for this was 5%. The concentration can be calculated from percentage by mass by doing this: 5% ethanoic acid in vinegar can be interpreted by saying that it is the same as 5 grams of acid per every 100…
    ChemistryConcentrationTitration
  14. 14
    Determine the concentration of a limewater solution
    Words • 762
    Pages • 3

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    Paper Type:800 Word Essay Examples
    Equation Ca(OH)2 + 2HCl � CaCl2 + 2H2O calcium hydroxide + hydrochloric acid � calcium chloride + water Apparatus Burette 50cm3 Pipette 20mls/25mls Volumetric Flask 2000cm3 Conical Flask Boss and Clamp Funnel White tile Indicator 2000cm3 0.02 mol Hydrochloric acid 250 cm3 Limewater Firstly, the acid that I was given is too strong for the reaction to be reliable, which means that it has to be diluted. To get a suitable concentration of the acid which will titrate into the…
    ChemistryConcentrationMaterialsTitrationWater
  15. 15
    How the concentration of acid affects the rate of reaction?
    Words • 3409
    Pages • 13

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    Paper Type:3500 Word Essay Examples
    An investigation to find out how the concentration of acid affects the rate of reaction between hydrochloric acid and calcium carbonate (marble chips) 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…
    Calcium carbonateChemistryConcentrationMaterialsPhysics
  16. 16
    Chemistry Coursework
    Words • 3622
    Pages • 14

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    Paper Type:3500 Word Essay Examples
    Aim: In this experiment I am finding out how much sulphuric acid is present in sodium carbonate solution. How I will find the accurate concentration of sulphuric acid I am to find the accurate concentration of sulphuric acid ranging between 0.05 and 0.15-mol dm-3, I am provided with solid, anhydrous sodium carbonate, and range of indicators. The indicator which I will be using in my experiment is methyl orange, because it is used in most titrations, and it changes colour…
    ChemistryConcentrationPhysicsTitration
  17. 17
    Hydrochloric Acid Concentration & Marble Chip Reaction Speed
    Words • 650
    Pages • 3

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    Paper Type:700 Word Essay Examples
    I am going to see if changing the concentration of acid affects the speed at which it reacts with marble chips. Marble chips + Hydrochloric acid ( Carbon dioxide + Water + Calcium chloride CaCO3 + HCl ( CO2 + H2O + CaCl2 I will measure how much gas is given off by using a tally counter to count how many bubbles of gas are given off and measuring the volume of gas produced. Diagram: Apparatus: 5g medium marble chips…
    Calcium carbonateChemistryConcentrationMaterialsSpeed
  18. 18
    Death And Concentration Camps In The Holocaust History
    Words • 1378
    Pages • 6

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    Paper Type:1300 Word Essay Examples
    The Holocaust was a horrifying crime against humanity. Adolf Hitler led a nation of Germans who were trying to rid “inferior races”. Hitler had a “final solution” to take care of anybody who he saw as inferior. “The plans included in the Final Solution included the deportation, exploitation, and eventual extermination of European Jews”. (Grobman) His method was to kill any undesirables. He would use concentration camps and death camps. Within the years 1941-1945 over eleven million people were killed.…
    ConcentrationConcentration CampsDeathHistoryNazi GermanyThe Holocaust
  19. 19
    The rate of reaction between sodium thiosulfate and hydrochloric acid
    Words • 1958
    Pages • 8

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    Paper Type:2000 Word Essay Examples
    * Research question: Does the change in concentration of sodium thiosulfate and the fixed concentration of hydrochloric acid result a change in time taken for the yellow sulfur precipitate to form, thus lead to a change in time taken for the cross to disappear and the rate of reaction? * Variables: * Independent variable: The concentration of sodium thiosulfate / M. * Dependent variable: The time taken for the cross to disappear / second. * Controlled variables: * The concentration…
    Concentration
  20. 20
    Effect of NaSO Concentration on Reaction Rate
    Words • 1533
    Pages • 6

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    Paper Type:1400 Word Essay ExamplesCause And Effect Essay
    In this experiment we reacted different concentrations of Na2S2O3 (aq) with a constant volume of HCl, and measured the time it took for the X drawn under the beaker in black marker to disappear. Uncertainty Details: The uncertainty in the volume of Na2S2O3 (aq) and H2O (l) is given by manufacturer of the burettes. As we find the change in the volume in the burette, the uncertainties are added, and the uncertainty in the volume is ±0.1cm³ The uncertainty in…
    Concentration
  21. 21
    To study the effect of dilution
    Words • 1067
    Pages • 4

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    Paper Type:1200 Word Essay ExamplesCause And Effect Essay
    Objective: To study the effect of dilution, concentration of water and temperature on the rate of the chemical reaction between methanal (HCHO), sodium sulphite (Na2SO3) and sodium hydrogensulphite (NaHSO3). Chemicals: 0. 3 M methanal about 100 cm3 solution B (containing 0. 20 M NaHSO3 and 0. 05 M Na2SO3) about 100 cm3 phenolphthalein indicator several dropping bottles shared Apparatus: Boiling tube x 6 100 cm3 beaker x 2 Glass rod x 1 250 cm3 beaker x 1 stop watch x…
    ChemistryConcentrationNatureScienceWater
  22. 22
    Effect of Hydrogen Peroxide Concentration on Enzyme Catalase
    Words • 625
    Pages • 3

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    Paper Type:Cause And Effect Essay
    Indroduction: Enzymes are proteins. They function as biological catalysts. They lower the energy barrier of a reaction so that the reaction can take place at body temperature. Also, they can speed up Metabolic reactions without being changed or used up. During a reaction, an enzyme molecule combines temporarily with the substrate. When the reaction is complete, the enzyme molecules returns to its original dorm and the product is released. So enzymes are never wasted and always recycled. Due to enzymes…
    ConcentrationEnzymeHydrogen
  23. 23
    Osmolarity: Concentration and Sucrose Solutions
    Words • 1947
    Pages • 8

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    Paper Type:1800 Word Essay Examples
    My group and I conducted the experiment that estimates osmolarity by change in weight of potato tubers, this was conducted in order to explore the process of diffusion and osmosis and more importantly to investigate the question of “Does different concentrations of sucrose solutions have an effect on the final weight for the potato tubers?” In this experiment we estimated the osmolarity of potato tuber cores by submersing different potato cores into sucrose solutions of 0.0-0.6M, and weighing the potato.…
    ConcentrationOsmosis
  24. 24
    Sedimentation: Tangent and Concentration
    Words • 2860
    Pages • 11

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    Sedimentation is the process of separating a liquid mixture of suspended particles into clear supernatant liquid and denser slurry having a higher concentration of solids. This is usually accomplished by allowing the particles to settle through the force of gravity, mechanically using centrifugal force, or electrostatically using an electric current. Continuous sedimentation tanks are usually used in wastewater treatment facilities to separate suspended particles from wastewater. This experiment aims to determine the effect of initial concentration and initial height of…
    Concentration
  25. 25
    Water Can Kill? Exploring Effects of Osmosis
    Words • 726
    Pages • 3

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    Paper Type:700 Word Essay ExamplesCause And Effect Essay
    Questions 1. What sort of environment (hypertonic, isotonic, hypotonic) does consuming excessive amounts of pure water create in the body fluid that surrounds your cells? What effect would this have on your cells? - A hypotonic environment would be created in the body fluid, as there would be a lower concentration of solutes outside of the cell than inside the cell. This would create the effect of water entering the cells at an abnormal rate, and the cells, eventually, would…
    ConcentrationHealthWater
  26. 26
    Effect of Solutes on Potato Cells’ Water Uptake
    Words • 766
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    Paper Type:750 Word Essay ExamplesCause And Effect EssaySimilarities and Differences Essay
    Water can move through the different cells due to the difference of water potentials in the cells. If there is a higher solute concentration in the cell than outside the cell, the water will move into the cell. However, if the concentration of inside the cell is lower than the outside, water will not move into the cell. This process is called osmosis. Research question; This investigation will determine how different concentrated sugar water will affect to the mass change…
    ConcentrationOsmosisWater
  27. 27
    Determining the Osmolarity of a Potato
    Words • 1378
    Pages • 6

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    Paper Type:1400 Word Essay Examples
    Abstract Students in Biology find it difficult to understand the concept of tonicity and osmolarity in a real time situation. In this investigation, several concentrations of sucrose were used to determine the osmolarity of a potato. It was found that the concentration of sucrose was close to 3.6 in the potato used showing that it was isotonic. Anything above caused the potato to gain weight showing that it was a hypotonic solution and anything below caused the potato to lose…
    AgricultureBiologyConcentrationOsmosis
  28. 28
    Investigating The Rate Of Reaction Between Marble Chips And Hydrochloric Acid
    Words • 1184
    Pages • 5

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    Paper Type:1200 Word Essay Examples
    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…
    ChemistryConcentrationResearchScience
  29. 29
    Lab Report: Determination of Food Dyes in Gatorade Frost Riptide Rush
    Words • 1143
    Pages • 5

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    Paper Type:650 Word Essay Examples
    Abstract The purpose of this lab was to determine the food dyes present in a selected beverage, their concentration, and then replicate the solution within a 20% margin of error. The beverage we chose was Gatorade Frost Riptide Rush. A spectrometer was used to determine which food dyes were present in the sampled beverage, red 40 and blue 1 were determined to be present. The next step was to determine the concentration of the dyes, this was done by testing…
    ConcentrationFood
  30. 30
    Effect of lipid solubility on permeability of plasma membrane
    Words • 1032
    Pages • 4

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    Paper Type:1200 Word Essay ExamplesCause And Effect Essay
    : To study the effect of lipid solubility of molecules on permeability of plasma membrane of animal cell. Introduction : Diffusion: In general, diffusion process occur when there is a concentration gradient between two region .Molecules (other than water) will move by diffusion as long as there is a concentration gradient. A concentration gradient exists when a particular type of molecule (like food coloring dye molecules) is not spread out in an even concentration, but exists in a higher concentration at…
    BiologyChemistryConcentrationScience
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  31. 31
    Concentration helps the child in his social development
    Words • 2957
    Pages • 11

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    “The first essential for the child’s development is concentration. It lays the whole basis for his character and social behavior, he must find out how to concentrate, and for this he needs things to concentrate upon…” The Absorbent Mind, Chapter 22 Discuss how the Montessori Education helps to develop a child’s concentration and helps the child in his social development. In order to accomplish any task you need to be able to concentrate your mind for a time, it is…
    ChildChild developmentConcentrationHelpLearning
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