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    Osmosis of Potato Chips

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    Osmosis of Potato Chips Introduction For this coursework, I am planning to conduct a series of experiments which will hopefully show me how much percentage change in mass will happen in potato chips when osmosis is present. To find out the change we will have to choose a variable to change. We could change: Ÿ The length of the potato chips. Ÿ The weight of the potato chips. Ÿ The concentration of the sugar solution. Before my final experiment I will conduct one of the

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    calculate the percentage change in mass so that I can compare the different results with each other. I will calculate the percentage change by : Change x 100 Original · Controlled Variables The main control variables for this experiment are : Each of the 5 buffer solutions should have the same volume of 50ml and the same concentration. If one beaker had more than another then there would be more solution to act on the meat therefore tenderising it more. This could alter the end percentage change in

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    Osmosis Investigation

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    of the solutions * Amount of time the chips are in the solutions I am going to find out the isotonic point of a potato by varying the Molar of each solution, so my input variable is the Molar of the solution and my outcome variable is the percentage change in mass of each potato chip after they have been submerged in a solution of a specific Molar for an amount of time. I am going to keep these variables the same to keep my investigation fair. * Same potato used for potato chips

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    react with hydrochloric acid. This will tell me if the concentration of hydrochloric acid affects the speed of reaction. Variables ========= I could change: the temperature, the percentage of hydrochloric acid, the number of marble chips, or the size of the marble chips. I will change the percentage of hydrochloric acid there is for the marble chips to react with. I will keep the temperature, the number of marble chips, and the size of the marble chips the same. I will do all of

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    0.8 molar (the highest.) We then left each test until the next lesson, and then took the measurement of the potato chips once more. This is my results table: Concentration Initial length Final Length Percentage difference Initial mass Final mass Percentage difference 0 molar (water) 5 cm 5.15 cm 3 % 1.69 g 1.76 g 4.14 % 0 molar (water) 5 cm 5.2 cm 4 %

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    Education in Ohio; for the last few years the number of gifted children in Ohio has been growing steadily. This year for the first time the percentage of children in Ohio that were identified as Gifted and Talented finally equaled the percentage of children who were served in Special Education Classrooms. There is only one small problem with this statement. The percentage is equal only if you count the students who are identified as being Talented and Gifted, not served. There are currently only 11% of

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    Data Handling Project

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    Data Handling Project Aim I aim to investigate in the following project whether the mileage of a motorbike will affect the percentage depreciation of the motorbike, and eventually using the information I have, find out which model of bike will be the cheapest for a certain amount of miles that the user will expect to travel. E.g. if a cyclist is expecting to use his bike until it had travelled X number of miles which make of motorbike would be he cheapest. The information below is

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    mortgage

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    schedule characterized by equal periodic payments that are calculated to meet current interest payments and retire the principal at the end of a fixed period (at maturity if the loan is fully amortized). Annual Percentage Rate (APR): The total yearly cost of a mortgage stated as a percentage of the loan amount; includes such items as the base interest rate, private mortgage insurance, and loan origination fee (points). Appraisal: A written analysis of the estimated value of a property prepared by

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    gender gap in pay

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    women’s median earnings are substantially less than men’s earnings. However, this “earnings gap” has started to close recently, bringing the percentage of women’s earnings closer to that of the median earnings of men. According to the Census Bureau, the gap stayed relatively constant from 1960 to 1980. From 1980 to 2000 the median of women’s earnings as a percentage of the median of men’s earnings increased by nearly fourteen percent. This report will be investigating what exactly caused the earnings

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    Financial Aid in Education

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    policies. The federal government?s current system has too many quirks which end up hurting the people that financial aid is supposed to help. The federal government should change its financial aid policies to take several more factors, such as the percentage of educational expenses paid by the student, into account. Under the present system, all students applying for federal aid file a form called the Free Application for Federal Student Aid (FAFSA). This form is meant to figure out the amount of

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