Airspeed indicator

digestion of lipids in the milk. When lipids are broken down in to fatty acids and glycerol (see below), the acid lowers the pH of the mixture. To help me determine and measure the digestion of lipids, a pH indicator phenolphthalein has been used to measure the pH of the mixtures. The pH indicator will change the colour from pink to either white (if bile is not contained) or brown (if bile is contained), this will indicate that the solution is changing from alkaline to acidic. So if I want to use phenolphthalein

balanced chemical equation. The moles were divided by the volume of unknown 1 HCl to get the actual concentration of HCl. The pH of the solution as it was being titrated was monitored by a pH probe and the LabQuest software. Phenolphthalein, a pH indicator, was also used to determine when the solutions reached their endpoints. A titration is the slow addition of one solution of a known concentration (called a titrant) to a known volume of another solution of unknown concentration until the reaction

pH Titration Experiment #3 Joseph Dupars Partner: Logan Martz Chemistry 113, Section 2 October 23, 2014   I. Introduction In this experiment the acetic acid concentration in a sample of Great Value distilled white vinegar, 5% acidity, will be determined in weight percentage and in molarity. The concentration of phosphoric acid in the Unknown solution numbered 86 will also be determined. The equilibrium constants will also be determined for both. II. Experimental To determine the concentrations

being analyzed to determine the unknown concentration of the solution. Inside the analyte is also an indicator that changes color near the equivalence point of titration. Titration have a large variety of uses, such as identifying the amount of binding proteins in the blood.2 The purpose of this experiment was to become familiarize and learn how to properly use a burette, pH probe, and pH indicator to effectively perform and examine a titration.

titrations (suggest three)? We could analyze other household products, for example, drain cleaner, milk of magnesium, and citrus fruits. 3. Why is it necessary to add an indicator? Describe how an indicator works. A chemical indicator is a substance that indicates the presence or absence of certain conditions. A common indicator is Phenolphthalein. It remains colorless in acidic solutions and turns pink in basic solutions. Because both acidic and basic solutions are colorless,

The experiment was mixing the compounds; baking soda and vinegar. Gathering all the materials and measurement of the beaker to use your basic stoichiometry to find other numbers and the percent error. Firstly, you had to have a beaker with 5 grams of baking soda. The baking soda will be weighed to get the most exact amount; which is 5 grams. Once again, before placing the baking soda into the beaker you first have to measure the weight of the beaker: the baking soda should be placed in the beaker

The most polar molecules on a chromatography strip move the least, and the least polar molecules move the most. Out of red dye #40, blue dye #1 and yellow dye #5, the molecules in blue dye #1 have the polarity closest to both isopropyl alcohol, and sodium chloride solutions. Red dye #40 has the most polar molecules, while blue dye #1 has the least polar molecules. After 7 trials of chromatography in a 2% isopropyl alcohol solution, blue dye #5 had an average rate of flow of .948. Red dye #40 had

gram-negative growth (K. Rudolph [Clemson University, Clemson, SC], personal communication). The brown color of the growth indicates that the unknown is not a lactose fermenter. When lactose is fermented, it produces acid, which then turns the neutral red indicator a bright pink color. The growth was brown, thus indicating that the unknown microbe is not a lactose fermenter. The blood agar plate shows a thin clear area around the microbial growth. This clear zone indicates beta-hemolysis, the complete breakdown

1. gain all substances and gadget. 2. Create the answers of the amines. 3. Hexanediamine: three.26 ml molten hexanediamine and water to 50 ml, or 1.sixty three ml molten hexanediamine and water to twenty-five ml. 4. Octanediamine: three.sixty one g and water to 50 ml or 1.eighty g and water to twenty-five ml. 5. Decanediamine: four.31 g and water to 50 ml or 2.15 g and water to 25 ml. 6. Label them. 7. Create the solutions of the acyl chlorides. 8. word: the finished answers are all 50 or 25 ml

For this experiment, The scientists are testing the pH level of salt ( NaCl ) by putting water, measuring the pH, and then adding salt and checking the pH after. The scientist want to evaluate how acidic or how much of a base the salt is. The independent variable would be the salt. The dependent variable would be the pH level. The control would be the pH before salt is added. If the scientists add salt to pure water, then pH level of the water will drop turning the water acidic. In the experiment