be controlled by the amount of vinegar or baking soda. Materials: * 1 small empty plastic soda or water bottle * ½ cup of vinegar * Small balloon * Baking soda * Funnel or piece of paper Hypothesis: * Yes‚ the higher the temperature‚ the faster the balloon fills up. * Yes‚ when the bottle is very big‚ it is the time where the balloon fills-up slowly because gasses need a lot of room spread out. * Yes‚ because the amount of vinegar or baking soda affects the production
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concentrations Hypothesis: If I place an egg in vinegar‚ then the outer layer of the egg is going to become slimy and look like rubber. It will also become larger and bubbles will form on and around the egg. Hypothesis: If I place an egg in corn syrup‚ then the egg will become small and the outer layer will not look like rubber any longer. Day one: Date started: 8/6 Volume: 2 oz. pH of acetic acid: 2.4 Day two The egg shell completely disappears due to the vinegar reacting with the egg; bubbles form
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A. B. E. A. N. The Combination of Alugbati Berries Extract‚ Alcohol‚ and Native Vinegar (Coconut Vinegar) As Alternative Ink for Pentlepens and Markers A Science Investigatory Project Life Science II. TABLE OF CONTENTS I. Title Page………………………………………………………………………....i II. Table of Contents………………………………………………………...……....ii III. Abstract…………………………………………………………………..……...iii IV. Research Plan A. Statement of the Problem B. Hypotheses……………………………………………………….……. C. Methods and Procedures……………………………………
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Acid-Base Titration Background Information A titration is a controlled addition of one substance into another substance. In an acid-base titration‚ the experimenter will add a base of known concentration to an acid of unknown concentration (or vice-versa). The goal of the titration is usually to use the substance of known concentration to determine the concentration of the other substance. In order to run a titration‚ the following materials are needed: • A buret filled with the base (or acid) of
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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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Titration is a technique where a solution of known (acid or base) concentration is used to determine the concentration of an unknown (acid or base) solution. 2. A solution of household vinegar (a mixture of acetic acid and water) is to be analyzed. A pipet is used to measure out 10.0 mL of the vinegar‚ which is placed in a 250-mL volumetric flask. Distilled water is added until the total volume of solution is 250 mL. A 25.0-mL portion of the diluted solution is measured out with a pipet and
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Determination of acetic acid in vinegar using acid-base titration 1. Scope The goal of this analytical procedure is to determine the acetic acid content of two samples of vinegar produced by Kolinska‚ Ljubljana‚ Slovenia. These samples are: Sample No. 1: vinegar made from wine‚ 4% Sample No. 2: vinegar made from alcohol‚ 9% The smallest quantity of the sample is 100 mL. Interesting results may be obtained by comparing the acidity of both samples of vinegar with factory analysis data. 2. Principle
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Describes the independent and dependent variables. Case Study: Task 1: Identify the possible toxicity ● What is the chemical formula for vinegar? ● Safety Data Sheet (SDS) for the chemical in vinegar. ○ What is the chemical name? ○ What is the chemical composition? ○ What are some of the hazards? ○ What is the first aid measures?
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Introduction Many might think that an egg is made up of cells‚ when in actuality and egg itself is a cell. An egg has several main parts‚ including the egg shell (that acts as the cell membrane)‚ the egg yolk and the egg white. There’s also a tiny white mass that is very important‚ it’s called the ovum‚ and it is the living part of the cell. If a hen lays an egg without mating with a cock then the ovum will not develop. If the hen does mate‚ then the egg will be fertile and it develops into a
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and record. Calculate the Normality of the vinegar using the previously given equation. Calculate the mass of the acetic acid in grams using the previously given equation. Calculate the percentage of acetic acid using the previously given equation. Thoroughly clean all your equipment and wash any left over acid or base down the sink with lots of water. Remember‚ acids and bases will neutralize each other when mixed. Data and Results *Normality of vinegar (Na) = (Nb)(dropsb) / (dropsa) (.5)(22)
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