Essays Tagged: "Sodium thiosulfate"
What happens to sodium thiosulphate when it is added to hydrochloric acid? How does the concentration effect the amount of sulphar produced?
the temperature the quiker the reaction.To make a fair test: keep the same concentration of water, sodium thiosulphate and hydrochlric acid.
Subjects: Science Essays > Chemistry
Investigating the affect of concentration on the rate of reaction.
tion. This will be investigated with the following experiment in which dilute hydrochloric acid and sodium thiosulphate solutions are mixed. This forms insoluble sulphur and the mixture gradually beco ... . This forms insoluble sulphur and the mixture gradually becomes cloudy.If the concentration of the sodium thiosulphate concentration is varied, the rate of production of sulphur can be measured by re ...
Subjects: Science Essays > Chemistry
GCSE Chemistry - Sodium Thiosulphate Coursework
GCSE Chemistry - Sodium Thiosulphate CourseworkWe must produce a piece of coursework investigating the rates of react ... hange in temperature and concentration on the rate of a reaction. The reaction that will be used is:Sodium Thiosulphate + Hydrochloric AcidNa2S2O3 (aq) + 2HCl (aq)Sodium Chloride + Water + Sulphur Dio ... ains constant) and one varying the concentration (while keeping everything else constant). Both the sodium thiosulphate and the Hydrochloric acid are soluble in water, so the concentration of either c ...
Subjects: Science Essays > Chemistry
Effect of tempreature on sodium thiosulphate
d and the different factors that affect the rate of a reaction. I chose hydrochloric acid (HCl) and sodium thiosulphate (N2 S2 O3) as my reactants. When sodium thiosulphate and hydrochloric are mixed, ... ollide more successfully. I decided to alter the temperature of the hydrochloric acid, and keep the sodium thiosulphate at room temperature. I did three experiments (with repeats) where the hydrochlor ...
Subjects: Science Essays > Chemistry
Investigating the rate of reaction between Sodium Thiosulphate and Hydrochloric Acid
Investigating the rate of reaction between Sodium Thiosulphate and Hydrochloric AcidDiagramAim : We did 4 experiments to find out how the rate ... We did 4 experiments to find out how the rate of reaction changes with differing concentrations of Sodium Thiosulphate, Hydrochloric Acid and water. As an inert and stable liquid, water was used to a ... ydrochloric Acid and water. As an inert and stable liquid, water was used to alter concentration of Sodium Thiosulphate without changing the end amount of solution. All the atoms in a water molecule h ...
Subjects: Science Essays
How does concentration affect the rate of reaction between Sodium Thiosulphate and Hydrochloric acid.
Solutions providedSodium Thiosulphate 40g/lHydrochloric acid 73g/lPlanningHow will we time the reaction?We will put th ... d be room temperature. We need to make sure the volume of the acid is 10 cm3 and that the volume of Sodium Thiosulphate is 50 cm3. We will need to use the same cross every time and that we use 73g/l o ... time and that we use 73g/l of concentrated hydrochloric Acid.How will I change the concentration of Sodium Thiosulphate?We will change the concentration by diluting it with water, we must always remem ...
Subjects: Science Essays > Chemistry
How the rate of reaction changes in a reaction between Hydrochloric Acid and Sodium Thiosulphate
reaction, we are using 2, 1.5, 1, 0.5, 0.25 Molar acid. In our experiment, we are reacting it with sodium thiosulphate. The collision theory will be involved in this, for instance the more concentrat ... iment we need to control the amount of acid, amount of water, chemicals\water temperature amount of sodium thiosulphate and to all agree when the x is gone on the paper. We need to be safe when doing ...
Subjects: Science Essays > Chemistry
An experiment investigating how the concentrations of the reactants affect the rate of reaction
catalystThe reaction that will occur in the test tube will be between the Hydrochloric acid and the Sodium thiosulphate to produce Sulphur, Sodium dioxide, Sodium Chloride and water. This is shown in ... odium dioxide, Sodium Chloride and water. This is shown in the equation below: -Hydrochloric acid + Sodium thiosulphate -> Sulphur + Sulphur dioxide + Sodium Chloride + Water2HCl +Na" S" 0" -> S ...
Subjects: Science Essays > Chemistry
Analysis of Commercial Vitamin C Tablets. (Ascorbic acid content in one tablet)
Date: 25 Nov, 2004Objective:1. To standardize sodium thiosulphate for titration use.2. To find out the concentration of Vitamin C in the tablet.Th ... y. We use excess iodine solution to react with limited vitamin C. Iodine left is then titrated with sodium thiosulphate, a reducing agent, thus number of mole of iodine reacted with vitamin C can be f ... f mole of iodine reacted with vitamin C can be found out. This technique is known as back titration.Sodium thiosulphate absorbs water in the atmosphere with time. It's concentration decreases with tim ...
Subjects: Science Essays > Chemistry
Determination of the vitamin C content of a commercial vitamin C tablet and compare the result with the value specified by the manufacturer.
experiment is immediately followed by a back titration of the excess liberated iodine with standard sodium thiosulphate solution as shown below:I2 (aq) + 2S2O32- (aq) → 2I- (aq) + S4O62- (aq)With ... of thiosulphate solution with iodate solution.3. The burette is rinsed, and then it is filled with sodium thiosulphate solution.4. 25.00 cm3 of the potassium iodate solution is pipetted into a 250 cm ...
Subjects: Science Essays > Chemistry
Science-chemistry practical-To find out how the concentrations of the reactants affect the rate of reaction
catalystThe reaction that will occur in the test tube will be between the Hydrochloric acid and the Sodium Thiosulphate to produce Sulphur, Sodium dioxide, Sodium Chloride and water. This is shown in ... o produce Sulphur, Sodium dioxide, Sodium Chloride and water. This is shown in the equation below: -Sodium Thiosulphate + Hydrochloric Acid Sodium Chloride +Water + Sulphur + Sulphur DioxideNa2 S2 O3 ...
Subjects: Science Essays > Chemistry
Investigation: How does the concentration affect the rate of a reaction?
reaction?Aim:To investigate the effect of concentration on the rate of a chemical reaction between sodium thiosulphate solution and hydrochloric acid.Reaction:I will investigate the reaction between ... and hydrochloric acid.Reaction:I will investigate the reaction between different concentrations of sodium thiosulphate solution with hydrochloric acid.Na2S2O3(aq) + HCL(aq) = S(s) = H2O(l) + SO2(g) + ...
Subjects: Science Essays > Chemistry
Rates Of Reaction
factors that affect the rate of reaction. In this case, the reaction between hydrochloric acid and sodium thiosulphate.Na2S2O3 (aq)+ 2HCl(aq) 2NaCl(aq)+S(s)+SO2(g)When hydrochloric acid is added to s ... ed, we can find out the rate of reaction. A cross can be marked on a piece of paper, and a flask of sodium thiosulphate can be placed on top. By adding hydrochloric acid to the sodium thiosulphate, we ...
Subjects: Science Essays > Chemistry
Rate of reaction of sodium thisolphate
Hypothesis:In the investigation of the rate of reaction and concentration of Sodium Thiosulphate. I predict that the higher the concentration of sodium thiosulphate solution, th ... Goggles- Stop clock- 250cm3 conical flask- 10cm3 measuring cylinder- 50cm3 measuring cylinder- 0.1m sodium thiosulphate solution- 2m hydrochloric acid- Teat pipettePractical:- Gather the apparatus and ...
Subjects: Science Essays > Chemistry
An investigation into the factors affecting the rate of a reaction: The write up of an experiment using Sodium Thiosulphate and hydrochloric acid
ingWhat I going to investigate is how different factors affect the rate of the chemical reaction of Sodium Thiosulphate and Hydrochloric acid. In which a precipitate is formed and causes the solution ... precipitate is formed and causes the solution to become opaque. They react as in the equation below:Sodium Thiosulphate + hydrochloric acid -->; sodium chloride + sulphur + sulphurdioxide+WaterNa2S ...
Subjects: Science Essays > Chemistry
G.C.S.E chemical reaction - rates of reaction between sodium thiosulphate solution and hydrochloric acid.
rature, as a variable, affects the time it takes for a reaction to occur between the two chemicals: sodium thiosulphate solution (Na2S2O3) and dilute hydrochloric acid (2HCl).Hydrochloric acid + sodiu ... olution (Na2S2O3) and dilute hydrochloric acid (2HCl).Hydrochloric acid + sodium thiosulphate ® sodium chloride + sulphur dioxide + sulphur + water2HCl(aq) + Na2S2O3(aq) ® 2NaCl(aq) + SO2(g) + ...
Subjects: Science Essays > Chemistry