evidence that osmosis did occur in the bags. The largest change in mass was in the 1.0M sucrose bag the mass went from 12g initially to 14.2g‚ this gained 2.2g‚ an 18.3% change in mass for the group data over the duration of the experiment. The 0.2M bag went from 10.2g to 10.9g a 6.9% change in mass; the 0.4M bag went from 12.1g to 12.2g .83% change in mass; the 0.8M bag went from 10.9g to 12.2g and an 11.9% change in mass. During osmosis water diffuses‚ going from an area of low concentration of solute
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Welcome to the forpura Learn Centre: Reverse Osmosis Welcome to the forpura Learn Centre. It’s here that you’ll find everything there is to know about Reverse Osmosis water and the Reverse Osmosis under-counter system itself. If you’re on the lookout for a filtration system that can provide you with clean drinking water for your home‚ then an under-counter domestic reverse osmosis system is exactly what you need. Not only is it one of the most popular filtration systems but it’s one of the most
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How different concentrations of hydrogen peroxide would affect the activity of catalase? 1. Variables Independent Concentration of hydrogen peroxide Dependent Volume of oxygen gas evolved Control Amount of liver used Location of liver sample obtained from the liver Type of liver used Possible enzymes transferred from hands during making liver homogenate Deterioration of liver Endpoint identification Volume of hydrogen peroxide added Reading on the syringe Room temperature
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This trial was performed to decide the percent centralizations of starch in two distinct arrangements. It showed us through the strategy utilized‚ which was osmosis (the dispersion of watered). Osmosis normally indicates on the grounds that it began to change in the mass for both the dialysis tubing loaded with the bizarre arrangement and the container of sucrose and water. Demonstrated that dissemination of water had happened over the semi-penetrable dialysis tubing. It’s checked on the grounds
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beaker from the left beaker? Which did not? Answer: The solute(s) that were able to diffuse Na+/Cl- ‚ Urea‚ Glucose. The solute that didn’t was Albumin. 2. Explain the relationship between the rate of diffusion and the size of the solute. What do you think changes in temperature such as cold/hot would have on the diffusion rate? Answer: The rate of diffusion of molecules depends on how soluble they are. The rate of diffusion depends on the size of the molecule in general‚ small molecules
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Osmosis Lab Report by Evan Gerber Claire Cambron First Lab Report Wednesday 10:30am February 20‚ 2013 Theresa Gburek Abstract The major objective of the experiment was to test the effect of the concentration gradient on the diffusion rate. It was hypothesized that the greater the stronger the concentration gradient‚ the faster the rate of diffusion would be. To test this‚ dialysis tubes were submerged in different concentration fructose solutions. We weighed the tubes at specific
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The Effects of Different Parenting Styles Mayra A. Gomez July 15‚ 2014 Dr. Daniel Malloy Child Psychology 231 Trinity University THE EFFECTS OF DIFFERENT PARENTING STYLES Most parents want the best for their children and try to lead by example. As a parent‚ I strive to be the most ideal parental figure for my children. Nonetheless‚ I have to admit at times it’s become difficult to not mimic the same negative parenting styles that I was raised with. This is the case for some people in which
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catalysts are proteins. Proteins are made up of one or more polypeptide chains that are folded to make an active site‚ an area in which a material to be acted on by the enzyme‚ called the substrate‚ will fit. The temperature‚pH‚ the concentration of enzyme‚ and the concentration of substrate all affect the activity of the enzyme and the rate of the reaction. The browning of potatoes when they are peeled is caused by catecholase‚ an enzyme‚ as it facilitates a reaction between between catechol and oxygen
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Introduction A computerized simulation experiment will be conducted in order to study the cell transport mechanism via the cell’s selectively permeable membrane and passive processes of simple and facilitated diffusion. The plasma membrane is a gateway which allows nutrients to enter the cell and keep undesirable substances out‚ hence‚ making it selectively permeable. One method of transport is called active transport‚ which uses ATP to transport substances through the membrane. The other is
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thirds a cup of boiling water and observing how much each had dissolved after ten minutes. The data collected supported the hypothesis and the tablets were significantly more dissolved than the gelcaps and caplets. This experiment could be changed by having a component stir the acetaminophen and the water together. Introduction The solubility of medicine is important because the quicker it dissolves‚ the quicker is can start working. There are many different forms of Acetaminophen on the market. This
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