Review of the Related Literature Cucumber The cucumber (Cucumis sativus) is a widely cultivated plant in the gourd family Cucurbitaceae‚ which includes squash‚ and in the same genus as the muskmelon. The plant is a creeping vine which bears cylindrical edible fruit when ripe. There are three main varieties of cucumber: "slicing"‚ "pickling"‚ and "burpless". Within these varieties‚ several different cultivars have emerged. The cucumber is originally from India‚ but is now grown on most continents
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provided with two samples of vinegar‚ one removed from a restaurant and one removed from a take-away. Trading Standards suspect these two establishments of watering down the vinegar. They need evidence that the samples contain less acid than the standard vinegar sample provided. What is the purpose of this? I’m a worker in the Trading Standards which carries out tests to see if restaurants and takeaways are watering down the vinegar. We will take one sample of vinegar from a restaurant and from
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an Alka-Seltzer tablet in different measures of an acidic solution (Vinegar). Through understanding of stoichiometric relationships and limiting reactants‚ quantities of substances yielded or consumed in a reaction can be determined by analyzing the amount of material involved. A vinegar-water solution is employed in this experiment because a fixed amount of NaCO3 can be reacted in pure water‚ by manipulating the amount of vinegar in the dissolving solution‚ the amount of acid capable of reacting
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Ginger (Zingiber officinalis) and Vinegar As an Organic Insecticide An investigatory project that is presented to Mr. Fritz O. Marata of Marigondon National High School In partial fulfillment of the subject Science III Researchers School Year: 2013-2014 Acknowledgement This study aimed to introduce the combination of ginger and vinegar in order to make a nature-friendly insecticide. For the successful completion of our study
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Titration for Acetic Acid in Vinegar Purpose: The Primary Purpose of this Experiment is to Determine the Percent Content of Acetic Acid in a Household Bottle of President’s Choice Vinegar‚ using Titration Techniques. In addition‚ a Secondary Purpose for this Experiment that Derives Directly from the Primary Purpose is to Gain Hands On Experience in Titration Techniques‚ as a Vital Tool in our Quest to Understanding the Chemical Aspect of the World around Us. Procedure Conducting a Titration
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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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fun in the process. LITERATURE: The acids in the vinegar make the shell deteriorate. Eggs contain "calcium carbonate"(this is what makes it hard)‚ and vinegar is an acid. When they both combine a chemical reaction takes place‚ and carbon dioxide is released. This is what bubbles are made of. The vinegar makes the egg soft because it takes all the carbon out. Since the egg shell is made out of "calcium carbonate" and is "eaten" up by the acidic vinegar. It leaves behind the inner membrane and gives
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Thornton James Keel 7/20/13 Title: Titration for Acetic Acid in Vinegar Purpose: The objectives in this lab were to develop familiarity with the concepts and techniques of titration and to determine the concentration of an acetic acid solution in vinegar. Procedure: Data Tables: Data Table 1: Quantity of NaOH needed to Neutralize 5 mL of Acetic Acid Brand of Vinegar Used: heinz Label Notes: none | | Initial NaOH reading(Interpolate to 0.1 mL) | Final NaOH reading(Interpolate
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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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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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