Part A - Research the Salt Lake City Olympics scandal and address specific issues that link to Bigtown’s situation. Upon reading the article‚ "The Big Business of the Olympics and Bribery‚ I can identify several items that are similar to the proposed arrangement for Bigtown’s mayor. First‚ it is unfair to offer contracts for city work to companies who can bring convention business. Not all companies may be able to bring convention business to the town at this time. Unfortunately‚ this would leave
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Identifying a Salt by Creating its Heating Curve Introduction: Solubility is a substance’s ability to be dissolved in a liquid‚ usually water‚ and some substances are more soluble than others. A solution can be saturated‚ unsaturated or supersaturated. Temperature plays a large role in the solubility of substances. For example‚ on table G of the Chemistry reference tables it shows that 10g of KClO3 will dissolve in 100g of water at about 25°C‚ but at about 48°C‚ 20g will dissolve. The higher the
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1 October 2010 Salt Water Pool Systems vs. Liquid Chlorine Pool Systems I currently utilize a salt water pool system called an Aqua Rite System. If you’re in the market for a pool‚ it can be a bit overwhelming to choose a type of system that is right for you. The salt water pool vs. chlorine pool battle has been raging over the last decade‚ and today‚ many home owners are building these systems right from the start or converting their old chlorine pools into a salt pool. But what is the real
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temperature to increase by adding table salt. The problem it is trying to explain is‚ how does table salt affect the boiling temperature of water? does it increase or decrease? or does it stay the same? Hypothesis After reading the lab instructions - but before starting the lab - record your best “educated guess” about what will happen in the experiment. What hypothesis can you generate about the effect of adding salt to water? Adding table salt to boiling water will cause the water to
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General Chemistry II Lab (CHEM 1106) Determination of the Solubility Product Constant of a Salt Date Performed: March 1‚ 2011 INTRODUCTION If solid KHC4H4O6 is added to a beaker of water‚ the salt will begin to dissolve. The amount of solid diminishes‚ and the concentrations of K+(aq) and HC4H4O6-(aq) in the solution increase. When no KHC4H4O6 dissolves‚ the concentrations of K+(aq) and HC4H4O6-(aq) will not increase further and any additional KHC4H4O6 added after this point will remain
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Salt Saturation & How it Affects Salt Crystal Size 12/07/11 Research Question: How does the saturation of water affect the size of the salt crystals? This project was chosen because it was intriguing and to find out if more salt equals bigger crystals. Hypothesis: If the water is more saturated then the salt crystals will be bigger. The Independent Variable is the amount of salt in the water. The Dependent Variable is the size of the salt
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chemical reaction does different types of salt have on the ice. Salt melts ice mainly because adding salt lowers the freezing point of the water. Pure water freezes at 32°F (0°C). Water with salt (or any other substance in it) will freeze at some lower temperature. The normal freezing point of water is 0 degrees Celsius‚ so if the temperature is above that then ice will melt. When salt and water are mixed together‚ the salt dissolves‚ which means the salt breaks into small particles that thoroughly
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Subject: Chemistry SL Title: Preparation of a salt (lead iodide) by using precipitation method. Aim: To produce 1.50 g of lead iodide‚ PbI2‚ assuming 100 % conversion‚ using 1.00 g solid potassium iodide‚ KI‚ and 0.1 M lead nitrate‚ Pb(NO3)2 solution of volume 30 cm3 and hence calculate percentage yield. Calculations: 2KI(s) + Pb(NO3)2( aq) —> PbI2 (s) + 2KNO3 (aq) Mass of PbI2 to be produced = 1.5 g Moles of PbI2 = = 0.003 Moles of KI = 0.003*2 = 0.006 Mass of KI = 0.006*166 = 1.00 g
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hypothesis proposed that if a small amount of salt was added to the reaction‚ then it cause the rate of the reaction to speed up‚ but if too much salt was added‚ then it will instead decrease the rate of the reaction. The data revealed that no additional amount of salt was the reaction that had the highest rate. As shown previously in the data table‚ the first trial’s average reaction rate of 4.5 mL/min was higher than the other two reaction rates where salt was added for trial 2 and trial3‚ 2.125 mL/min
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taken to dissolve Salt Aim: To see the effect of water temperature on salt. Hypothesis: If the temperature of the water is increased the time taken for the salt to dissolve completely will be shorter. Equipment Heat proof mat Tripod Bunsen burner Gauze mat Electronic Balance 2 beakers Measuring cylinder Salt Water Stirring rod Thermometer Safety glasses Stopwatch Plastic spoon Method: Take beaker and fill with 100ml of water Measure 5 grams of salt‚ put aside Place
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