Free Changing Concentration Essays and Papers

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  • Colorimetry Essay

    2503 Words  | 11 Pages

    sure that you use proper citations if this is the case. For more information on our originality scoring process, click here.Colorimetric Techniques Colorimetry Colorimetry is the analysis of chemical samples to gather information about their concentration. Colourimetry involves passing light through a sample and measuring how much is absorbed by the solution. Ref -http://www.wisegeek.com/what-is-colorimetry.htm Most test substances in water are colourless and undetectable to the eye. Therefore

  • The Effect of Sugar Solution on the Mass of Potato Chips

    1905 Words  | 8 Pages

    The Effect of Sugar Solution on the Mass of Potato Chips Aim - The aim of this experiment is to find how changing concentrations of sugar solution affects the mass of potato chips. Plan ==== Preliminary Work ---------------- In my preliminary experiment my aim was to find out what the optimum length of potato chip would be to use in my actual experiment. My experiment consisted of using three off 2 cm's of potato chip and three off 3 cm's of potato chip. I only placed them

  • A Comparison of the Water Potential of Potato and Sweet Potato Tubers

    1827 Words  | 8 Pages

    or loss of water when samples of the tissue are placed in a range of concentrations of sucrose solutions. Background information Osmosis is the movement of water molecules from a region of their higher concentration to a region of their lower concentration through a semi permeably membrane. If the cell is surrounded by pure water (which has a water potential of zero), or by a solution that has a lower concentration and therefore a higher water potential, than that of the cell’s contents

  • Factors Affecting Osmosis in Potato Tissue

    2595 Words  | 11 Pages

    going to design and modify an experiment used to show osmosis in potato chips in different concentrations of sucrose solution. I am also going to investigate on how potato chips change in volume and weight when placed in different concentrations of sucrose solution. I will also conduct a preliminary experiment before my final experiment. Aim: To investigate the effect of different concentration of sucrose solution on potato chips. Hypothesis: I would expect the potato chips to turn

  • An Experiment to Find Out How Much Gas is Given Off When Hydrochloric Acid and Marble Chips React

    2147 Words  | 9 Pages

    How Much Gas is Given Off When Hydrochloric Acid and Marble Chips React Aim === The aim of this experiment is to find out how much gas is given off by marble chips when they react with hydrochloric acid. This will tell me if the concentration of hydrochloric acid affects the speed of reaction. Variables ========= I could change: the temperature, the percentage of hydrochloric acid, the number of marble chips, or the size of the marble chips. I will change the percentage

  • Salinity Changes

    1902 Words  | 8 Pages

    polychaete, Nereis succinea. Along with the other members of the group, Patty and Jeremy, I was curious to see whether the worms would engage in adaptive behavior when placed in a tank of water of foreign salinity, or whether they would simply continue changing osmotically until they reached equilibrium with the environment. The first step in our experiment was to simply observe the worms and get a "feel" for the ways in which they act. We did this on Wednesday, May 7, 1997 from 9:30am to 10:30am. Also

  • Osmosis Investigation

    1916 Words  | 8 Pages

    Osmosis Investigation Aim: My aim is to find out what effect different concentrations of salt solution has on a potato chip when left for a certain amount of time. Also my main objective is to find the isotonic point of a potato. The isotonic point is the point at which the concentrations of water are the same at each side of the semi-permeable membrane (in each region). When there is equal flow in each direction through the membrane, when the water is diffusing into the cell and

  • Investigating How Changing the Concentration of Hydrochloric Acid Affects the Rate of Reaction with Sodium Thiosulphate Solution

    670 Words  | 3 Pages

    Investigating How Changing the Concentration of Hydrochloric Acid Affects the Rate of Reaction with Sodium Thiosulphate Solution Aim I aim to investigate how changing the concentration of Hydrochloric acid affects the rate of reaction with Sodium Thiosulphate solution. [IMAGE]Sodium + Hydrochloric Sodium + Water + Sulphur + Sulphur Thiosulphate Acid Chloride Dioxide (aq) (aq) (aq) (l) (g) (s)

  • Investigating the Effect of Changing the Concentration of Sodium Thiosulphate in the Reaction Between Hydrochloric Acid and Sodium Thiosulphate

    1419 Words  | 6 Pages

    Investigating the Effect of Changing the Concentration of Sodium Thiosulphate in the Reaction Between Hydrochloric Acid and Sodium Thiosulphate Introduction The reaction equation for this experiment is: Sodium Thiosulphate + Hydrochloric acid = Sodium chloride + Sulphur dioxide + Sulphur + water Plan Input variable: Concentration of Sodium Thiosulphate. 1) 5ml Sodium Thiosulphate 25ml water 2) 10ml Sodium Thiosulphate 20ml water 3) 15ml Sodium Thiosulphate 15ml water

  • Holocaust-concentration Camps

    611 Words  | 3 Pages

    Concentration Camps Concentration Camps were a big part of the Holocaust. My first topic is the concentration camp Dachau. Then I will talk about another concentration camp called Bergen-Belsen. After that, I will tell you about the concentration camp Treblinka. Finally, the last concentration I will talk about is Auschwitz-Birkenau. Describing these camps will inform you that concentration camps were a huge part of the Holocaust. Dachau was a devastating concentration camp of the Holocaust. Dachau