decreased‚ particles are closer together‚ so they don’t move as much because they are low in energy as well as space. Temperature: The question being asked to answer is if temperature is affected by thermal energy. My answer to that question is its affected because when you add thermal energy the temperature increases and it becomes warmer‚ but when thermal energy is decreased the temperature becomes frigid. State of Pure Substance: Is the state of pure substance is affected by thermal energy? My answer
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Abstract: This project looks at how the temperature of an experiment can affect its reaction time. The purpose of this experiment is to determine if dissolving reactions are affected by waters temperature. I believe that if the H2O temperature increases‚ then the Alka-Seltzer tablet will dissolve faster because the hot water molecules will move faster colliding with the tablet particles. Water will be the independent variable due to the fact is will always stay in its same form throughout the
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experiment to find the optimum temperature and pH for starch on amylase. The experiment was carried out in one day. The researcher and a partner did the experiment based on a lab manuel from class. Data was collected from the experiment and to be displayed on graphs. Then the optimum pH and temperatures were to be calculated based on the findings. The hypothesis was disproved due to the optimum pH of 5 but the other findings supported the hypothesis of the optimal temperature being 45 degrees Celsius.
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Towra Point Report By Julian Burst Introduction This report is based on the Towra Point Nature Reserve‚ in Kurnell. On our excursion‚ we got detailed information on various bits of information about organisms such as plants like mangroves‚ and animals such as the Soldier Crab and many species of birds and spiders. Things such as the types of Trophic Interactions show the levels of species and to clearly show what species is a stronger predator then the other. With the use of mathematical formulae
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Planaria Regeneration in Ideal Temperatures vs. Cold Temperatures Christina Malfas Abstract Planaria are flatworms that live in quiet freshwater bodies. They live in a narrow range of temperatures‚ from 22-24°C. They regenerate asexually‚ specifically through a process called epimorphosis‚ in which they completely regenerate one half of their bodies after splitting themselves in two. The diffusion gradient model assumes that cells in an organism “know” their orientation on that organism due
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and remove the probe from the eye. Measurements can then be performed without unnecessary exposure of the eye to ultrasound energy. • Use the caliper function on the ultrasound to enable precise measurement. First locate a point 3 mm posterior to the optic disk. At this point place the calipers at 90 degrees to the axis of the optic nerve to measure the diameter of optic nerve and optic nerve sheath • Take the average of two or three measurements for each side. A 1996 study by Helmke
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taken and put in the osometer. Trial Number | Osmolality (mOsm/kg H2O) | 1 | 204 | 2 | 204 | Average | 204 | Figure 1.1: Calibration curve for used for the identification of the concentration of ethanol present in a sample of wine. 5 data points were taken at 5.117g EtOH/100mL solvent‚ 7.984g EtOH/100mL solvent‚ 11.13g EtOH/100mL solvent‚ 14.01g EtOH/100mL solvent and 18.31g EtOH/100mL solvent. Equation for line: y
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Effect of Temperature on Peroxidase Ability to Break Down H2O2 By: Rodneika Crutcher Abstract Temperature affects the ability of peroxidase to break down hydrogen peroxide. In this experiment our professor extracted peroxidase from potato tissue. In order to determine how temperature affects peroxidase we created solutions and measured their absorbance levels after water bath treatments. The more absorbent the solution was the less hydrogen peroxide there was in the solution. This means the peroxidase
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Introduction. The following is an experiment into temperature change in an exothermic reaction taking place between Sodium hydroxide (NaOH) and Hydrochloric acid (HCl) and also how the concentration of the acid will vary these results. The characteristics of the reaction feature a neutralisation‚ an energy change (shown as a temperature change) that is usually exothermic (gives out heat). The reaction of neutralisation is exothermic because of the bonds being broken and made in the reaction. When
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different temperature on the cell respiration. Introduction： Cell respiration is the controlled release of energy from organic compounds in cells to form ATP‚and then release waste products. The process of cell respiration can take place in the presence or absence of oxygen. In either case‚the first stage of cell respiration is glycolysis.The effect of temperature on cell respiration mainly depends on the effect of temperature on of enzyme activity.Generally speaking in a certain temperature range
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