Surface area

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    At first, as I was examining the image of the swimmer, I thought about determining the area between the swimmer’s legs. At first, I thought that I could relate it to the area of a triangle, but later acquired the fact that the side length and height of an isosceles triangle cannot be equivalent, which meant that the area of a triangle would not fit this image. Figure 2 Created in Microsoft Paint In Figure 2, I have attempted to display an isosceles triangle to put in place of the swimmer's legs. In this image, the swimmer’s legs are represented by the side length r, along with the height of the isosceles triangle being represented with h. I have noticed how the value of r and h cannot consist of equivalent values, as the shape seems to be similar to the shape of an isosceles triangle; the side lengths and height will never be the same. Figure 3 Created in Microsoft Paint Later on, I realized that the area between their legs can be interpreted as a minor sector, just as shown above in Figure 3; due to the fact that the length of the legs stay constant: in other words, the value of r is constant through the sector; it would be the most accurate form to represent the…

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    Alka Seltzer Experiment

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    surface area vs rate of time Introduction: In the investigation an experiment is conducted investigate if the breaking of alka seltzer into ½, ¼ and none effect the time it dissolves. The context of the problem is the time it dissolves to have the medicine show its effect. This problem exist in real life as people take alka seltzer to relief heartburn, acid digestion and stomach aches. This experiment would benefit society because it informs the society the better way of consuming medicine or…

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    Demonstration of the Relationship between the Surface Area to Volume ratio on the rate of Diffusion Introduction: The surface area to volume ratio determines the rate of diffusion, the larger it is the faster nutrients will diffuse. Phenolphthalein acts as an acid-base indicator, turning pink in bases like NaOH and being colorless in acids like HCl. Using agar blocks as cells, a model was made to measure the rate of diffusion of different sized pink agar blocks changing to colorless ones.…

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    DIVERSITY AND SIZE Effect of Surface Area on the number of species in biodiversity. Yes, there is a relationship between species diversity and size, the smaller the habitat the less diversity of species there will be. Species diversity is the variety of organisms that make up a community It has two components: • SPECIES RICHNESS: is the total number of different species in the area • RELATIVE ABANDANCE: is the proportion each species represents in that certain measured area. we recognize…

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    concentration of a solution, presence of a catalyst, surface area, pressure of gases, temperature etc. These reaction rates may have positive or negative effects in our everyday lives. Today, I will be talking about how temperature, surface area and concentration can have a role in our everyday life. Firstly, a factor that affects the rate of a reaction that we see every day is temperature. We see temperature affecting rate of reactions through making food. For example, bread dough rises more…

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    Discussion Questions Which potato cube had the smallest surface area? During the investigation of part 1 and 2, it was indicating that the smaller the cell the larger the SA: V. Also, the larger the cell the less SA: V there is and this has a huge impact to the cell as it can’t get the nutrition it need which will result in death. The larger a cell gets, the smaller its surface area to volume ratio becomes. This is important because nutrients entering the surface of the cell must increase as…

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    Communal Areas

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    Communal Areas Cleaning London Do you own a large commercial property, student property, flat share or office block? If you do, then you will have to address cleaning communal areas. The reason is because you must provide residents or visitors to such property with healthy living conditions that stand up to certain standards. You could try and take on such task on your own, but odds are it will be too large a job. By outsourcing the job to a communal areas cleaning company, you can take the…

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    Congo Red Lab Report

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    Characterization of ZnO and ZnO/CR nanoparticles The average pore size and total pore volume of ZnO/CR were determined at 77.4K by nitrogen adsorption isotherm using Micromerities ASAP2010.was used to calculate the specific surface areas of The value of specific surface area of ZnO and ZnO/CR samples determined from the method Brunauer–Emmett–Teller (BET)[13]. Scanning electron microscopy/Energy-dispersive X-ray spectroscopy employed to analyze the size, morphology and structures of the ZnO and…

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    Moisture Problems Like a sponge, concrete has pores through which moisture penetrates. If the ground below your concrete garage floor is wet, this moisture will wick through to its top surface and evaporate. Sometimes this problem is obvious because parts of the floor appear damp even on low humidity days. Another sign is the presence of a white powdery deposit called efflorescence. When water migrates through the concrete, it carries dissolved salts, which are left behind on the…

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    Hardwood Floor Analysis

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    Floors Hardwood flooring is not something you can ignore, since it requires some maintenance to keep it looking good. Here is what you need to know about cleaning hardwood, repairing scratches, and adding a protective finish. Cleaning Cleaning your hard flooring is not difficult to do as long as you know what kind of finish the floor has. This step is essential before repairing or protecting your hardwood floors. Surface Sealed Hardwood Hardwood sealed with polyurethane, polyacrylic, or…

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