radish extract in exterminating household’s pests such as ants. Furthermore‚ the study aims to create the most effective radish extract solution in terminating pests. B. Application The study’s product aims to be applied as a pesticide. It tends to provide an alternative for the current pesticide in the market. It aims to create an environment friendly solution for minimizing household’s pests. C. Materials 1. Mortar and Pestle 2. Bottle sprayer 3. Bowl 4. Clean Cloth 5. Radish 6. Water
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THE AFFECTS OF DIFFERENT SUCROSE SOLUTIONS ON OSMOSIS OF EGG MEMBRANES A laboratory report submitted for LE@D Biology 1004 Michele Liveley Arkansas State University Mountain Home Mountain Home‚ AR September 2013 Osmosis Egg Lab Report Introduction Osmosis is the passing of water or other solutions from an area of high concentration of particles to an area of less concentration. The cell membrane is an organelle‚ selectively permeable‚ and only
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Chemistry Unit 2 Area of Study: 1: Water Chapter 11: Measuring solubility Measuring Solubility Solubility: the maximum amount of that substance that can be dissolved in a that temperature Saturated solution: a solution which no more solute can be dissolved at that temperature Measuring solubility Determine the maximum mass of solute that can be dissolved in 100 grams of solvent at a particular temperature Worked Example A maximum of a 6g of solute can be dissolved in 20g of water at 20ºC
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test a liquid to see if it contains ions is to ________________________ ________________________________________________________________________ 3. Define a saturated solution ______________________________________________ ______________________________________________________________________ 4. Define an unsaturated solution __________________________________________ ______________________________________________________________________ 5. What is meant by solubility ? ____________________________________________
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A supersaturated solution is a solution that contains more dissolved substance than a saturated solution does. This occurs when a solution is prepared at a higher temperature and is then slowly cooled. This is a very unstable situation‚ so any disturbance causes precipitation. Solubility can be understood in terms of two factors: The natural tendency toward disorder favors dissolving. The relative forces between and within species must be considered. Stronger forces within solute species
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think drinking seawater killed the sailor faster than not drinking any water at all? Today we explore the cause of the sailor’s death. We’ll prepare solutions of salt water to represent the sea‚ and we’ll cut up slices of potato to represent the sailor. Potatoes are made of cells‚ as is the sailor! Objective: The concentration of solute in a solution will affect the movement
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so that a solution poured into the bag would not leak out. Next‚ the other side of the bag was opened. For step two‚ a 15% glucose/1% starch solution was tested for the presence of glucose with Benedict’s‚ and we recorded the data in a table. Using more 15% glucose/1% starch solution‚ 15 mL was placed in the dialysis bag. The other end was tied‚
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why we decided to focus this investigatory project on creating an eco- friendly cleaning solution. The problem of the modern world is that we have created far too much hazardous chemical since it does the daily chores‚ like that of scrubbing the floor‚ in a faster and easier pace‚ unknowing that this can harm the ozone layer. Our investigatory project aims to create an environment- friendly cleaning solution using citrus peelings and some of its extracts. With this investigation‚ we hope to find
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isotonic solution do not experience osmosis. When the cell is hypotonic it has a lower concentration of solutes so water will move out of the cell. When the cell is hypertonic‚ it will have a higher concentration of solutes and water will move into the cell to attempt to reach an isotonic state. The primary purpose of this exercise is to measure the rate and direction of osmosis under different concentrations. The greater the concentration of the solute (sucrose) the faster the solution (water)
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effective time management and allows all parties to be on the same track or in synchronization about what has to be done. They also assure a fair and even discussion of the problem and allow all parties to play an active role in the finding of a solution. Problem Solving Sequence: Steps. 1. Define and analyze the problem. Often times‚ when one is in a conflict situation or in a position of having to deal with a problem‚ the parties involved are affected by the problem. These emotions‚ or the
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