"Does surface area affect rate osmosis" Essays and Research Papers

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    will be addressed. Does heat speed up the enzyme reaction? The prediction is as more heat is applied more reactions will occur then at some point the heat will denature the enzyme as it reaches too high of heat. If an enzyme has been denatured it means the shape has been altered therefore cannot perform its function‚ many factors can cause this including high heat. The hypothesis is if temperature is increased the amount of activity rate will increase. The results for the rate of oxygen production

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    Osmosis

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    http://thegrabup.com/?p=811 Significance Of Osmosis (700-1200) Osmosis is a process of movement of solvent through a semi permeable membrane from an area of high water concentration to an area of low water concentration to equalize the concentration of solute to both side of the membrane. . Water is sometimes called "the perfect solvent‚" and living tissue (for example‚ a human being’s cell walls) is the best example of a semipermeable membrane. Osmosis process as demonstrated below shows that when

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    higher the rate of reaction. Graph 5 further supports the original hypothesis‚ as it demonstrates the change the rate of reaction according increased volume of hydrogen peroxide‚ whereby the fastest rate of reaction occurred at the highest number of drops added to the solution.

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    the water diffused at a higher temperature. Temperature can also affect the rate of diffusion because a higher temperature will cause molecules to move faster and increase the rate of diffusion‚ allowing more pigment to pass through the membrane‚ in the 5 minutes given‚ giving a more pink/red color to the water surrounding the beetroot at a higher temperature‚ and at lower temperatures slowing down the molecules and making the rates of diffusion lower in colder temperatures‚ giving it a paler appearance

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    The effects of different wavelengths of light on the rate of photosynthesis Introduction This experiment was performed to investigate the effects of different wavelengths of light on the rate of photosynthesis. If a multiple colored film petri dishes are place under a 50 watt lamp‚ then the rate of photosynthesis will be greater for those with red‚ blue and clear film‚ than those with green and black film. We believed the petri dishes with the red‚ blue and clear film would produce the best

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    Surface

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    Surface Tension of Liquids Karen Mae L. Fernan Department of Chemistry‚ Xavier University-Ateneo de Cagayan‚ Philippines Date performed: Nov. 22‚ 2012 ∙ Date Submitted: January 16‚ 2013 E-mail: fernankarenmae26@yahoo.com ------------------------------------------------------------------------------------------------------------------------------- Abstract Surface tension is defined as the energy or work required to increase the surface area of a liquid due to intermolecular forces

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    specific conditions to function‚ thriving at temperatures between 29°C-40°C‚ with an optimal temperature of 37 °C. Above 37°C‚ rennin molecules increase in energy causing the rate of reaction to increase‚ becoming denatured at approximately 60°C. Below 37°C‚ the reduced energy level results in fewer collisions and the rate of reaction and activity of rennin decreases. (7) The optimum pH for rennin is pH 3.4 (8) as it mimics the gastric juices and acidic conditions of the stomach‚ however again rennin

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    Rate of Reaction Experiment Introduction : in this term in chemistry class I was learning about rate of reaction. As defined by the Britannica encyclopedia‚ a chemical reaction is a process where one or more substances (reactants) are converted to one or more different products because of the rearrangement of atoms of the reactants. For the reaction to occur‚ the particles must collide with each other and in order to succeed there must be enough energy for the collision because a collision with little

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    This experiment focuses on the effect of light intensity on the rate of photosynthesis. In simple terms this refers to how the production rate of the products of photosynthesis (oxygen and glucose) will be affected by a light source at different distances. The hypothesis states that “If there is a higher light intensity‚ then more oxygen and glucose molecules will be produced‚ and the rate of photosynthesis will increase.” This hypothesis was accepted. This was determined by counting the number of

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    Abstract: This lab tests how temperature and pH affect how enzymes will function. The lab showed that temperature will denature an enzyme when past its optimal working temperature and won’t denature in cold temperatures‚ but have slowed molecular activity. pH will also have an affect on an enzymes efficiency‚ when out of optimal pH the enzyme will not function as it is supposed to and if to far out of the optimal pH the enzyme will change shape and no longer work. Enzymes also showed to be reusable

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