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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The aim for this investigation is to investigate the effects of varying the concentration of sodium thiosulfate solution on the rate of the reaction when reacting with dilute hydrochloric acid. It is hypothesized that as the concentration of the sodium thiosulfate solution increases‚ the rate of the reaction will also increase proportionately. Variables The independent variable is concentration. This will be varied by increments of 10mL (10mL to 50mL) and distilled water will be added accordingly
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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 was set
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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 basicity of an aqueous
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concentrain of sulphuric acid Aim The point of this investigation is to find out the concentration of the sulphuric acid in my experiment. I will do this by titrating the sulphuric acid with sodium carbonate. H2SO4 + Na2CO3 à Na2SO4 + H2O + CO2 Acid + Alkali à Salt + Water + Carbon dioxide Ratio of sulphuric acid to sodium carbonate: H2SO4 : Na2CO3 1 : 1 Concentration of sulphuric acid: H2SO4 is approximately 0.05 - 0.15 moldm-3 The average concentration of the sulphuric acid is: 0.05 + 0.15 =
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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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Finding the Activation Energy of the reaction between Hydrochloric Acid and Sodium Thiosulfate The equation for the reaction is: S2O32- (aq) + 2H+(aq) ⋄ SO2 (g) + S(s) + H2O (l) Equipment - 2 boiling tubes - 400 cm3 beakers - Marker pen - Stand and clamp - Timer - Bunsen burner‚ tripod and gauze - 0 – 100 oC thermometer - 2 x 10 cm3 measuring cylinders - Access to a fume cupboard. Method 1. Label two boiling tubes A and B. Mark a dark spot on the side of a 400cm3 beaker‚ then ½ fill
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reaction was the reaction from the sulfate anion test between Sodium Sulfate and Barium Chloride. If the compound was in fact Sodium Sulfate it would produce a white precipitate and it did. The second reaction was first between Sodium Sulfate and Hydrochloric Acid‚ and then Silver Nitrate was added. For the compound to be confirmed‚ a white precipitate should form again‚ and it did. The next reaction started with the combination of Sodium Sulfate and Ammonia Hydroxide and
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Argument essay Chip or Not to Chip? In 2006‚ 44-year-old William Koretsky was unconsciously taken to the hospital after he was in a serious car accident. An emergency room scanner revealed an implanted Radio Frequency Identification Device (RFID) chip in his arm. Doctors identified and reviewed Koretsky’s health history using an online database‚ to learn that he had type-one diabetes. Physicians quickly began monitoring his blood sugar level while treating his injuries. According to the 2006
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NT 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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