Investigating Osmosis
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Prediction Osmosis is defined as is the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration. In a high concentration of water the amount of solute e.g. sugar is low. This could be called a weak or dilute solution. In a low concentration of water the amount of solute e.g. sucrose is high. This could be called a strong or concentrated solution. When two such solutions are divided by a semi-permeable membrane the water will move from the area of high concentration to the...
be prevented by amalgamating sets of results, for example of a whole class, where each experimenter used a different potato. I think that three sets of results was a good number. However, I think that in order to improve my results, the last concentration 1 moler needs to be retaken as it is an anomalous result.

be prevented by amalgamating sets of results, for example of a whole class, where each experimenter used a different potato. I think that three sets of results was a good number. However, I think that in order to improve my results, the last concentration 1 moler needs to be retaken as it is an anomalous result.
Further work could be carried out to include concentrations that increased in 0.1 M rather than 0.2M. This would increase the accuracy and improve the graph. Other investigations could include using different varieties of potato or different plant tissues e.g. carrot.
An investigation into how the amount of oxygen is produced by changing one variable effects the decomposition of Hydrogen Peroxide in the presence of the enzyme. Hydrogen peroxide Water + Oxygen 2 H2O2 2H2O + O2 This shows us that when the H2O2 has reacted with the...
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Global Warming!! Some of you might be wondering what Global is Warming. Some might be wondering is it even real? Or is it just some environmentalist scam trying to get people to care about the environment?? Global Warming is not a fiction or a hoax. It is real and...
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INTRODUCTION This piece of biology coursework is about how cells use osmosis, how, why and what affect it has on the cells in question. The example I am going to explore this in and to illustrate this is the experiment of potato chips of the same length in...
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Introduction Osmosis is defined as the diffusion of water molecules, down a water potential gradient, across a partially permeable membrane. If the solutions on each side of the partially permeable membrane are equally concentrated then there will be no net movement of water across the membrane. If the solution...
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Prediction Osmosis is defined as ?â??the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration In a high concentration of water the amount of solute e.g. sugar is low. This could be called...
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