VINEPAN [Vinegar and Pandan (Pandanus amaryllifolius)] as Repellent Floor Wax An entry to the DIVISION SCIENCE FESTIVAL 2013 John Louise Rogador Marfil Eugem Manalon Gutierrez Gerick Machado Billanes RESEARCHERS MRS. JUVELYN FETIL MALLORCA ADVISER TABLE OF CONTENTS I. Title Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 II. Acknowledgment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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experiment was designed to test 4 kitchen ingredients(Omega oil‚ water‚ lemon juice‚ and vinegar) mixed with baking soda‚ to see which one will cause a balloon to expand. It was hypothesized that baking soda mixed with lemon juice and vinegar would cause the balloon to expand. Using these ideals the experiment was completed and the data was recorded. It was decided that the hypothesis was correct. Baking soda mixed with vinegar and lemon juice caused the balloon to expand. There was no reaction with the balloon
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techniques To perform acid-base titrations To determine the molarity and percent composition of acetic acid in commercial vinegar Materials: |0.1 M sodium hydroxide |24-well reaction plate |toothpicks | |phenolphthalein test paper |small beakers |white paper | |vinegar |graduated pipet | | |distilled water
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2017 Introduction The hypothesis is the balloon will be bigger and bigger with the increase of vinegar. The chemical reaction between the baking soda and vinegar produces bubbles of carbon dioxide gas as part of this acid-base reaction. Sodium hydrogen carbonate (baking soda) reacts with ethanoic acid found in vinegar in a 1:1 ratio in the following reaction: baking soda (sodium bicarbonate) + vinegar (acetic acid) --> carbon dioxide + water + sodium ion + acetate ion HC2H3O2 (aq) + NaHCO3 (s) →
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inappropriate contact with it.To match with the color and consistency of other inks‚ we will be adding other substances‚ specially vinegar and cornstarch‚ which are common and easy to find. Statement of the Problem Generally‚ this investigatory project aims to find out if tea bags can be used to create an ink. Specifically‚ it aims to answer the following questions: 1. Can vinegar strengthen the color of the product‚ ink? 2. Can cornstarch contribute to achieving the right consistency of the ink?
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spoken. His mother and father are also of Hispanic decent and both work in the education system. I planned a science experiment for Jesus which I decided to name‚ “Vinegar and Oil”. The experiment had Jesus mix oil and vinegar together to see if they will mix. The materials involved were one cup of vegetable oil‚ one cup of vinegar‚ one egg‚ and two bowls. The brisk air outside had us do the experiment inside his house. I prearranged and gathered all the materials needed so
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try SOS pads. tweezers vinegar test tube (in your kit) water petri dish (in your kit) Part II: hydrogen peroxide small pieces of raw potato (yeast or beef liver may be substituted for the potato) small bowl Procedures: Part I: Reaction between iron and oxygen 1. Break off a small piece of steel wool and soak it in vinegar for at least one minute. Use tweezers to push the steel wool around to remove all bubbles. 2. Using the tweezers‚ lift the steel wool out of the vinegar and shake if gently over
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friends. First you will need an egg. Then get a bowl. Also you will need vinegar. After you have all those here is what you will need to do. Boil the egg or eggs that you have. After you boil the egg let it set for at least an hour. Then set the egg in a bowl. When you have all that done just put vinegar in the bowl with the hard boiled egg ( How to make a bouncy egg). After letting the hard boiled egg set in the vinegar for three days take it out and let it set on a paper towel for a couple of
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it can be declared that oxidation is faster in vinegar‚ than any other liquid. -Introduction: All of the people all around the globe thinking WHY do apples turn brown and what makes this happens. Well that was our main aim to this experiment conducted.Me and my group wanted to find out exactly what are the factors that increase or even decrease the amount of oxidation in (peeled)pieces of apples. This report presents the three liquids;vinegar‚tap-water and milk each of which includes peeled
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determine the molarity and weight/volume percent of acetic acid in vinegar by titration with sodium hydroxide to a phenolphthalein endpoint. This procedure may be modified by titrating an acidic beverage such 7-up or Sprite. Equipment and Material (Total Time 60 – 90 min.) Variety of Berel Pipet Long glass stirring rod Wash bottle 10-mL graduated cylinder 100 mL beakers Material NaOH‚ Sodium hydroxide Titrant solution White vinegar phenolphthalein Distilled water Discussion Acetic acid
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