"Sodium chloride" Essays and Research Papers

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    and headed out to the garden ready to get rid of the slugs. As he walked over to the garden Johnny noticed the words sodium chloride on the side of his salt container. 1) Where has Johnny seen those words before? Johnny has seen the words sodium chloride before in his science class. Johnny thought back to science class and

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    Cerevisiae Lab Report

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    If sodium chloride is added to a solution with Saccharomyces cerevisiae‚ then sodium chloride should hinder the growth and reproduction of those cells because the salt concentrations will limit the overall efficiency of the cell’s reproductive processes as well as decrease overall colony size. In our experiment‚ we plan to note the effects of salt on S. cerevisiae by both spot plating to note overall cell colony size and the number of total cells and through the use of electro photometry to also

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    It is clear that salt‚ also known as sodium chloride‚ should no longer be used on our roads in the winter months. The first two reasons why salt needs to stop being used are because salt negatively affects aquatic ecosystems and causes damage to vegetation. The third reason is because thankfully‚ there are alternatives that we can use‚ that would be benefiting us which we should use instead of sodium chloride. To begin with‚ sodium chloride is detrimental to our aquatic ecosystems when it is

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    Environment

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    for some chloride salts‚ including sodium chloride (NaCl)‚ which are used as de-icing agents on roads. The application of these de-icers on roads and other impervious surfaces in North America during winter months was in practice since the 1960s. The amount of snow fall is so high in these areas that snow and ice management becomes very essential to prevent road accidents‚ to maintain a continuous flow of traffic and to ensure safe pedestrian travel during winter months. Sodium chloride is the most

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    Salt Lab

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    salt and our reactions to it. Since sodium-chloride is nontoxic our response to the dosage was measured by taste. This same method can be seen in medical studies for new drugs. Instead of students the doctors use mice and they test for the mice’s reaction to the medicine. Instead of testing the mice’s taste‚ they look for negative/positive side effects the mice might have Intro Different salts can elicit all five basic tastes‚ e.g.‚ salty (sodium chloride)‚ sweet (lead diacetate‚ which will

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    reactions‚ and phenomenons. Stoichiometry is a tool that is frequently used in environment science since almost nothing in nature is in its ideal states‚ which is why it was a useful tool for us in this experiment. The different amounts of sodium sulfate and calcium chloride dictated the experiments theoretical yields and percent yield‚ which was good because we need to recognize which reactants would be in short

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    replaced by ammonium ions (NH4+) are called ammonium salts. NOTE: •An anion is a negatively charged ion. Hence:•Hydrochloric acid gives chlorides. E.g. sodium chloride‚ ammonium chloride. •Nitric acid gives nitrates. E.g. barium nitrate‚ copper nitrate. •Sulphuric acid gives sulphates. E.g. silver sulphate‚ iron (ii) sulphate. •Phosphoric acid gives phosphates. E.g. sodium phosphate‚ ammonium phosphate. •Each acid gives rise to a series of salts named by the ANION which they contain. •Some acids can

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    How Fast Is Your Reaction

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    How fast is your reaction? Part 1 – How temperature affect the rate of reaction Chemical equation Magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg + 2HCL → MgCl2 + H2 Graph Conclusion and questions 1. What factors/variables did you keep the same in this experiment? * We kept the same volume of hydrochloric acid (10 cm3) and the magnesium ribbon (5cm) because that way we could get a fair test experiment. We also repeated

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    dialysis. In this part we studied starch and sodium chloride for dialysis activity. In Part A We hypothesized that NaCl existed in 1-3 and AgNO existed 2-4. In Part B We hypothesized that there will be more changes in the cell then outside the cell. In Part C We hypothesized that there will be a difference due to the different environments that are provide to help change the appearance of a molecule. Procedure A. Qualitative testing for sodium chloride and starch We got 6 clean test tubes and

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    potassium ion in a compound will color a flame violet. But on the other hand‚ even trace amounts of sodium ions in a compound produce a very strong yellow flame‚ often times making the potassium ion very difficult to detect.  To counteract the effects of any sodium impurities‚ one can view the flame through a piece of cobalt blue glass.  The cobalt glass absorbs the yellow light given off by sodium while letting most other wavelengths of light pass through.  In this activity‚ wooden

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