Testing the Combination of Pansit pansitan (Peperomia pellucida) and Vinegar as Potential Wet Cell Pansit-pansitan is an erect‚ branched‚ annual herb‚ shallow rooted‚ reaching up to 40 centimeters high‚ with very succulent stems. Stems are round‚ often about 5 millimeters thick. Leaves are alternate‚ heart-shaped and turgid‚ as transparent and smooth as candle wax. Spikes are green‚ erect‚ very slender‚ 1 to 6 centimeters long. Tiny dot-like flowers scattered along solitary and leaf-opposed stalk
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Lab Name:Titration of NaOH Author: Simon Sun Lab Partner: Jason Lee & Fiona Wang Date: March 10th & 17th Introduction： The purpose of this lab is to observe the titration between acid and base‚ and calculate the morality of unknown solution base on the volume required to reach equivalence point and stoicheiometry. There are two groups of experiments. The first one is the reaction between nitric acid and sodium hydroxide which is a reaction between strong acid and strong
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Chapter I Introduction A. Background of the Study Grape is a fruiting berry of the deciduous woody vines of the botanical genus Vitis. Grapes can be eaten raw or they can be used for making wine‚ jam‚ juice‚ jelly‚ grape seed extract‚ raisins‚ vinegar‚ and grape seed oil. Grapes are a non-climacteric type of fruit‚ generally occurring in clusters. The combination of unique texture and sweet‚ tart flavor has made grapes an ever popular between-meal snack as well as a refreshing addition to both
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the plant Camellis Sinensis as an ink. Nowadays‚ the environment is being destructed and one the major causes of destruction is water pollution. These are the objectives of the group’s study: 1. to use the extract as component of ink 2. to use vinegar to strengthen the colour of the ink 3. can cornstarch contribute to achieving the right consistency of the ink C. Significance of the Study This investigatory project will benefit us by producing an alternative to other inks‚ specially the materials
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irritant to eyes or skin and is the most expensive of the de-scalers. http://www.studymode.com/essays/Chemistry-Research-Part-1-Acids-40105612.html Acetic Acid Acetic acid is a weak acid which is probably most famous for being the primary acid in vinegar. In fact‚ acetic acid has a wide range of uses beyond sprinkling on salads‚ and it is produced in large volumes all over the
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____________________________and ___________________________ Date ____________________________ Objectives: (1) To determine the amount of NaHCO3 in Alka Seltzer tablets by observing the amount of CO2 produced from the acid-base reaction of HCO3- with acetic acid (in vinegar). (2) To study the concept of limiting reactant. Background: Alka Seltzer is an effervescent tablet that contains aspirin (acetylsalicylic acid)‚ citric acid‚ and sodium bicarbonate (NaHCO3). As soon as the tablet dissolves in water‚ the
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The hardness of bone is due to calcium deposits in the matrix while the flexibility comes from the organic material of the matrix. We can illustrate these facts by treating two bone samples by two different methods: 1. Soaking a bone in vinegar (dilute acetic acid) removes calcium and other minerals from the bone. Samples treated in this manner remain flexible but lose their hardness. 2. Baking a bone chars the organic material in the bone matrix leaving the bone very brittle. In this experiment
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water and vinegar to produce the shiny‚ streak-free result that is everyone’s goal when it comes to cleaning windows. Here’s what you’ll need: Materials: 1 16-oz. bottle‚ such as the Ultimate Glass Spray Bottle ($8.43 from Olive Cart). 1 liquid measuring cup (at least 8 ounces). Small sieve; a 6-inch Stainless Steel Mesh Sieve is $19.95 from Sur La Table. Small whisk; a Profi Plus Mini Ball Whisk is $20 from Williams-Sonoma. 1/2 lemon‚ juiced. 1 tablespoon cornstarch. 1/2 cup white vinegar. 1/2 cup
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bouillon cube * 3 small clear cups * 1 measuring spoon (5mL) * White vinegar * Masking tape * Marking pen * Table salt Procedure 1. Fill the measuring cup with hot water from the faucet. Add the bouillon cube and wait for it to dissolve. Divide the solution equally among the three cups. 2. Add one spoonful of vinegar to the first cup. Using masking tape and pen‚ mark the cup “vinegar”. Add one spoonful of salt to the second cup. Mark that cup “Salt”. DO not add anything
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EXPERIMENT NO 1. MATERIALS Sofdriks (coke) Dropper Vinegar Milk (yakult) Litmus paper Beer Ampalaya fruit Distilled water Calamasi PROCEDURE: 1. Prepare the materials that needed in experiment. 2. Using dropper‚ get a little amount of coke‚ vinegar‚ milk‚ beer‚ and distilled water then drop to red and blue litmus paper. Record the result. 3. Squeeze the
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