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Introduction Four reactions were done using coffee cup calorimetry for each. Two Styrofoam cups were stacked together for each reaction performed, with a piece of cardboard used as lid with a hole for the thermometer. The beginning and final temperatures were taken for all reactions and solvents used. The end result and point of the experiment is to find what ΔH. Also this is a constant pressure calorimetry experiment. The goal of each of the reactions is to get ΔHrxn which is represented in…
HFOV and Gas Mixtures RES 262 Julia Fussell Sarah Bandy HFOV and Gas Mixtures The type of ventilation I will be discussing is High Frequency Oscillating ventilation. I chose this type of ventilation because of how different it is compared to traditional ventilation. “HFOV uses a constant distending pressure where an oscillatory flow along with clearly defined inspiratory and expiratory phases are generated in the lung”( adhb.govt.). Because the pressure is constant, it is easy to…
as they evaporate. However, this concept, called Hawking radiation, fails to explain how black holes would equalize with the space around it. The black hole would only emit energy outward and not do so inward, contradicting the basic tenet of thermodynamics of energy conservation. The solution is found in negative energy, as it flows inward to balance out the energy within the black hole. The black hole’s gravitation itself produces a certain amount of negative energy by dragging the particles…
Metabolism are mostly varies in each different organisms, therefore, a question for our investigation to what factor affect the metabolic rate in animal, especially in Manduca sexta. Our hypothesis that there are numerous possible factors including temperature, gender, age, body composition and body mass can affect the metabolic rate of an organism. As we expected, a study from the past 2. Method A. Species We used the caterpillars (Manduca sexta) for our…
Automobiles, Efficiency, and the Environment Developed in 1884 by Karl Friedrich Benz, the gasoline-powered automobile is perhaps one of the most essential inventions in history (Cheng). This invention allowed people to travel faster, longer, and more often, which helped our world begin developing into the global economy that it now is. Today, one of the biggest concerns when it comes to the environment and economy is the use of automobiles and the fuels that they burn. With the rise of gas…
• To be a mechanical engineer one has to learn various system components, from computer programming to power systems, and cover technical subjects, such as fluid mechanics, thermodynamics and hydraulics. They also need to gain a basic understanding of civil, electrical, and chemical engineering. A solid foundation in study techniques and technological applications is needed to identify problems and then come up with effective ways…
Because of its geographical location, India is gifted with an annual solar radiation of 5000 TWh. Utilization of a small fraction of this energy could resolve the energy demand in India. It is observed that low and moderate temperature thermal applications are consuming a significant portion of energy, which is about 40-50 \% of the total thermal energy utilized in most of the commercial and industrial sectors in India. Solar thermal technologies are the most suitable option to…
original and changed colors. Then, split the beaker’s contents into three test tubes. Place one tube in the ice bath, one in the hot bath, and leave one at room temperature. Allow the tubes to sit for a while, then compare the tubes and record any differences. If there is enough time, allow the tubes to warm/cool down to room temperature and record any observations. Dispose of the chemicals into the proper…
Human eye model A three-dimensional FE model of the human eye has been made via the explicit dynamics finite element code LS-DYNA 970 (LSTC, Livermore, CA, United States) [30]. The morphological characteristics of the human eye (a normal/healthy male) along with intraconal and extraconal fats were obtained from Computed Tomography (CT). The donor declare his consent to use the CT images for medical research purposes. A total of 141 raw data images were obtained for the head with an especial…