Thermodynamic temperature

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    energy change, positive enthalpy change and positive entropy change which is the same result as studies for activated carbons[19][20][24]. The negative value of ∆G reflects feasibility and spontaneity of adsorption processes. The more negativity of ∆G marks greater driving force for adsorption, which implies a higher adsorption capacity. The positive value of ∆S indicates increased randomness at reacting interface and the increased occurrence tendency of adsorption reaction. The increased occurrence tendency is caused by the pore growth or the change of surface activation[27][28]. The positive value of ∆H is supported by the prediction of Langmuir which indicates the endothermic behavior of the overall adsorption with the increment of temperature. The magnitude of ∆H gives an insight view of adsorption thermos-mechanisms, as ∆H for chemical adsorption is typically in the range of 40-800 (kJ/mol) and the corresponding ∆H specified for physical adsorption process, though may have other effect that affect the value, is usually within 5-40 (kJ/mol)[29]. Researches showed that the ∆H magnitude order of metallic ions could be explained that ions with larger charge surface and more charges could cause higher ∆H and thus higher tendency for the adsorption reaction to take place and have better adsorption behavior which is the same result as Gibb’s free energy and entropy…

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    experiment is to conduct and test the effects of catechol oxidase with varying temperatures. Based on many scientific journals, changes on different enzymes are affected by temperature (Pao-Huei et al. 2016). These concluded that the reaction of catechol oxidase is accelerated…

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    Even today I still remember clearly what happened that fateful day. Why I did it, I’m not exactly sure but it wasn’t fun, at least for Patrick it wasn’t. I was back in 3rd grade, young, innocent, and having the time of my life. It was Spring almost Summer and it had been a decent year, nothing special but little did I know today was going to be exciting. This is when I lived in South Haven which had a population of like 10 people not including tourists. I would move to Kalamazoo in about one…

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    that have occurred in Howard County, Maryland such as the significant changes in mean precipitation and timing of precipitation, winter temperature and the summer precipitation. Furthermore, it is crucial to understand that many of these changes will be clearly seen in the relatively near future if measures are not taken to prevent or at least delay them. Each climate variable will undergo a different magnitude of change in the region, and although predictions have been made, these changes are…

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    Whenever there’s a family member who gets sick, it would be my turn to check their temperature, and give them their medication. Taking care of my family is always a pleasure. That is why I decided to have a career that is related to taking care of people, and I found that nurses do it. The road to be a nurse…

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    Crayfish Behavior

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    down once removed from the water and if the temperature had any influence to this observation. To do this, we placed two crayfishes in room temperature water and another two in colder water for an interval of five minutes and again for ten minutes. Once the time was up,we measured how long it took for the crayfish to lower their claws. By lowering their claws it represented them being calm. The results were mixed indicating that the temperature of the water, might…

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    The Effect of Cellular Respiration at Low and High Temperatures Introduction Cellular respiration can include two processes, aerobic respiration and anaerobic respiration. The main purpose of cellular respiration is to breakdown sugars into smaller structures so that the cell can use it as energy (Reece, et al. 2014). The main concept of the respiration lab is aerobic respiration. This is the process that organic compounds will be degraded from oxygen to produce water, carbon dioxides, and…

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    Alka Seltzer Experiment

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    benefit society because it informs the society the better way of consuming medicine or alka seltzer in order to see faster effect in the body. Aim: To investigate the breaking of the alka seltzer into larger surface area (½ and ¼) affects the time it dissolves. Hypothesis: The more alka seltzer is broken, it dissolves faster in water and the less it’s broken, slower it dissolves in water. Equipment: - 9 alka seltzer - Room temperature water - Thermometer - Timer - 3 Glass cup or clear…

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    The Laws Of Thermodynamics

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    The Laws of Thermodynamics dictate that the universe is constantly becoming more disordered. If this is truly the case, then how have life forms as ordered as the ones here on earth possibly come to exist? The universe’s relentless drift toward pure chaos poses quite a challenge to the order that is life, but by using concepts of thermodynamics and biophysics, life forms continue to subsist. Life itself is in a perpetual struggle with the Laws of Thermodynamics that both are the foundation for…

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    Propane Experiment

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    The objectives of this experiment were to determine how temperature affects the volume of a gas and to conclude the best way to ship a gas. This information was highly beneficial to a company involving the production and transportation of propane. The experiment assisted in finding the best method to ship a gas in order to maximize profits for the company and decrease the cost of transportation. In order to be successful in the experiment, there were two principles that needed to be discussed…

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