Chemistry Coursework – Titration Background Science A titration is the neutralisation of an acid or an alkali. To achieve this‚ one must be added to the other in a specific amount‚ strength and concentration. A substance is neutral when its pH is 7. It is most acidic closer to 0 and is most alkaline closer to 14. 28492453194050 0 7 14 595423979670
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hydrochloric acid - paper (5 cm x 10 cm) - silver nitarate - birthday candle - sulfur - matches Procedure: 1. Place a small amount of wax from a birthday candle into a test tube. Heat gently over a burner flame until the wax melts completely; then allow the sample to cool. Next‚ light the candle‚ secure it to a glass square‚ and allow it to burn until it extinguishes itself. Proceed with rest of the experiment while the candle burns. 2. Tear a piece of paper (about 5 cm x 10 cm)
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Soluble | Phosphate PO 3-4Carbonate CO 2-3Sulfite‚ SO 2-3 | H | Soluble | Once you recorded all of the data‚ there were a few questions that needed to be answered. A. Compare your results with the solubility rules and/or solubility table in your chemistry text. I would say that my results turned out pretty close to the rules in the text book. I observed many different reactions occurring. The colors of the solutions changed from clear to purple‚ from clear to blue and yellow‚ and from clear to a milky
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Food Chemistry: Option F Food Groups: F.1 Food & Nutrients Food: any substance‚ whether processed‚ semi-processed or raw‚ which is intended for human consumption‚ and includes drinks‚ chewing gum and any substance which has been used in the manufacture‚ preparation or treatment of “food” but does not include cosmetics or tobacco or substances used only as drugs. Nutrients: any substance obtained from food and used by the body to provide energy‚ to regulate growth‚ and to maintain and repair
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Queen Wipp Prabhdip Kaur Fiction Semester Project 3 October 2011 A book tells a story and gives you a visual in your head. Perfect chemistry is a story of a boy in a gang and a girl with a perfect reputation. Their attraction to each other comes as a surprise as though a slap to the face. This was something neither on them wanted but when they explored the attraction since they couldn’t keep away from each other‚ they fell in love. The genre of this story is young adult since the story
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NT1110 Unit 6 Research Paper 1 Network Attached Storage Caleb Waldemar 10/30/2014 Network Attached Storage (NAS) is a type of file-level storage device which is dedicated and designed to provide users with fast and secure access to their data at all times over LAN and Ethernet connections. NAS’s are normally a specialized computer built to store and serve files quickly. The Capacity for NAS’s is limitless. Low end Network Attached Storage units start at around $300 and can store
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correctly‚ and perform labs safely. Students will also use significant digits in measurement and calculations. Hypothesis: If the mass and volume of a substance increase‚ then the density will increase as well. Materials: 100 mL graduated cylinder Paper towels Copper bb’s Electronic balance Pre-Lab Questions: 1) The density of copper is 8.92 g/mL. 2) The density of steel is 7.85 g/cm³ 3) There is only one type of copper‚ so the density should be one specific density. However‚ there are multiple
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The Titration of a Basic Solution of Unknown Molarity with a Standard Hydrochloric Acid Solution Abstract The aim of the experiment was how to determine the molarity of a solution. My hypothesis was if I have to determine the molarity of a NaOH solution‚ then I would have to use a standard solution of HCl solution because I would need to neutralize each other to determine the concentration of the solution of NaOH. The method that I used for this experiment was titration. Titration helped
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Standardize a solution of potassium manganate(VII) by an iron (II) salt (ammonium iron (II) sulphate) Introduction Oxidation numbers describe the number of electrons the atom will gain or lose during a reaction. Each atom in an equation can be assigned an oxidation number according to certain rules. If the oxidation number of an atom increases as you go from the left side to the right side if an equation‚ oxidation has occurred (electrons have been lost); if the oxidation number decreases
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Solutions Solutions are a combination of solvents and solutes. When a solute dissolves into a solvent‚ the combined product of the two reactants is called a solution. The definition of a solute is the reactant that’s being dissolved. The only difference from a solute and a solvent is that the solvent is the one that’s doing the dissolving. Molecules randomly flow in all directions until there is an equal concentration throughout the solution. The dissolving process can vary depending
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