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    Rate of Oxygen Production Investigate: To determine the relationship between surface area and rate of oxygen production when potato tissue is placed in Hydrogen peroxide solution Planning ======== My prediction I predict that the bigger surface area of the potato chips, the faster the rate of reaction of the hydrogen peroxide is being use up and the faster the oxygen is being

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    Investigation to Determine the Relationship Between Surface Area and Rate of Oxygen Production To determine the relationship between surface area and rate of oxygen production when a potato is placed in hydrogen peroxide (H2O2) solution. Background Information ---------------------- Potato contains enzymes such as catalase. Catalase are protein molecules, which are found in animal and plant cells. Catalase speeds up specific reactions in the cells. They all have very specific duty

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    Temperature's Effect on the Production of Oxygen From Yeast and Hydrogen Peroxide Planning Aim --- My aim is to discover how temperature effects the production of oxygen from yeast and hydrogen peroxide. I will mix yeast with hydrogen peroxide and use an upturned measuring cylinder to measure how much oxygen is produced. To find out how much hydrogen peroxide and yeast I will use,

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    Effect of Light Intensity on the Rate of Oxygen Production in a Plant While Photosynthesis is Taking Place Hypothesis: I predict that as the intensity of light is increased, so would the photosynthesis. Furthermore, I predict that if the light intensity increases, the rate of photosynthesis will increase at a proportional rate and more oxygen will be produced and therefore the oxygen levels will increase. However, the lower the light intensity, less oxygen will be produced which would affect this

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    (H2O2) but it remains unchanged at the end of the reaction. This is a type of reaction where a molecule is broken down into smaller pieces. It is called an anabolic reaction. This experiment is the breakdown of hydrogen peroxide to form water and oxygen in the air. Catalase is found in a cell organelle called the peroxisome. Peroxisomes in animal cells are occupied in the decomposition of fatty acids, and the separation of cholesterol and bile acids. White blood cells create hydrogen peroxide

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    Oxy Welding History

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    gas welding and oxy fuel cutting which are all use fuel and oxygen to cut and weld metals together. It all started with the famous chemist Edmund Davy, who is suppose to be considered as the first man to make acetylene. By accident in 1836 Edmund while trying to make potassium created a black compound which was mixed with water create a gas that burned greatly. Edmund wanted to use this gas to make lights but the materials and production would cost to much. Calcium carbide was not identified until

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    They found that by applying an electric current to water, the resulting reaction produced both oxygen and hydrogen gases. This discovery eventually gave birth to the concept of the fuel cell. In essence, a fuel cell is no more complex than performing electrolysis in reverse. In 1839, a Swiss chemist, by the name of Christian Schoenbein, performed the first fuel cell experiment wherein he combined oxygen and hydrogen to produce water and a small electric current. Only six short years later, in 1845

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    consists of organs responsible for taking in oxygen and expelling carbon dioxide gas. Oxygen in air enters through the upper respiratory tract, which begins with the nose and the mouth, and is carried into the pharynx, the trachea, and into the lungs, where the exchange of gases occurs. The Human Respiratory System Human life depends on the presence of food, water and oxygen in order to sustain the body’s various functions. Every cell in the body needs oxygen to carry out its functions, including converting

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    caused by a certain process called corrosion. It’s a process in which metal undergoes oxidation as a cause of the oxygen in the air. In other words, electrons from the metal transfer to the oxygen molecules. Eventually the negative oxygen ions enter the metal which causes an ‘oxygen layer’ to be made. Just as in a normal reaction, the penetration of the oxygen ions decreases as the oxygen layer becomes greater. Eventually the reaction stops, making the metal fragile. Rusting has a very negative impact

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    respiration of these beans are under these varying conditions. We performed two experiments, the first with temperature at 22ºC and the second with the temperature at 13ºC, both as the independent variable. Then, we measured the amount of carbon dioxide and oxygen from the bean container as the dependent variable. Our hypothesis was that the germinating beans respiration would be most effective at the room temperature. Our null hypothesis was that temperature wouldn’t have any effect on the germinating bean's

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