Lab Report: How Do Different pH Levels Affect The Growth of Plants Introduction: Plant growth is affected by various environmental factors‚ and pH is one of those. The pH of soil and the water that plants receive can have an impact on whether they obtain nutrients or not. Ph impacts the chemical reactions that take place within a plant‚ if the pH of the soil or water that the plant receives is too low (acidic)‚the nutrients that the plant requires may become extremely soluble to the point where
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no shell? What? You may think I am speaking about a hard boiled egg‚ but‚ no. Boiled eggs have their centers heated making the shell easily come off. Naked eggs have their shells taken off with one simple ingredient everyone has: vinegar. The acetic acid inside the vinegar strips the shell‚ calcium carbonate‚ away from the egg‚ the chemical formula is: CaCO3 (s) + 2 HC2H3O2 (aq)→Ca(C2H3O2)2 (aq) + H2O (l) + CO2 (g) (Imagination Toledo‚ 2017) Once the egg has been separated from its shell‚ the only
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No. Investigatory Project Title Year 1 A Comparative Study on NPK Content and Production on Various Castings Produced from Animal Manure using Vercomposting 2000 2 Acacia Leaves as Effective Filters for Vehicle Exhausts 2002 3 An Antimicrobial Ointment Manufactured from Kamantigue (Impatiens balsamina) Leaves Extract A Comparison with Miconazole Nitrate 4 Antibacterial Activity of Janitor (Hypostomus plecostomus) Fish Oil Extract Against Escherica Coli and Staphylococcus Aureus 2013 5 Baby
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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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either use it mixed with water or vinegar. Spray it onto surfaces and leave it sit for about a day. Then scrub it and wipe it using a damp cloth. The results will not delay to appear. Use vinegar We start our list with vinegar‚ which is absolutely fantastic. It is being used for lots of other purposes due to its amazing properties. Therefore‚ if you have some affected areas in your home‚ then it is time to try this efficient and easy method. Spray some vinegar on the affected surfaces and leave
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cytosol‚ and water diffuses out until equilibrium exists. If the molecules outside of the cell are equal then it is isotonic to the cytosol and there is no net movement of water. In my experiment‚ a shell-less egg was used that was surrounded by vinegar. The membrane was left intact on
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concentration. The purpose of this experiment is to show the effects of osmosis on the de-shelled egg. I hypothesize that the egg will increase in size in the vinegar and shrink in the syrup‚ staying relatively the same size in the water. Methods: Fresh boiled and shelled eggs is used in this experiment. The eggs were soaked in vinegar for up to 48 hours and no less than 24. At the end of this period the eggs are dried off and mass is recorded. The eggs are then placed in distilled water. They
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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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Sushi Sushi is most commonly defined as a Japanese dish shaped into a roll‚ consisting of cold cooked rice dressed with vinegar‚ wrapped in seaweed and garnished with raw or cooked seafood and vegetables‚ then cut into bite-sized pieces. (dictionay.com) Although not in its most contemporary‚ present form‚ sushi has been around for a surprisingly long period of time. What began as simple‚ two ingredient rolls‚ has blossomed into multi-ingredient flavored delights. A variety of types arises from
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TITLE: Toxicity Testing and Determining the LC50 INTRODUCTION: Our main objective for this experiment was to determine which three chemicals were going to be the most toxic to the brine shrimp by adding drops of vinegar‚ bleach and ammonia to the controlled water. We found that the vinegar was the most effective and the quickest. The ending results were very interesting when being compared to our hypothesis and we learned that some chemicals can react faster than others and each contains a different
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