goal was to determine what reactions were to be investigated and what variations of the reactions would be studied. The two requirements that were kept in mind while creating the calorimeter were that it should be a good insulator‚ meaning that it does not allow for the transfer of heat between two systems in an environment‚ and that it should have the lowest heat capacity possible (ideally 0C) so that the calorimeter absorbs as little of the heat energy produced as possible. The calorimeters produced
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Abstract Over a two week period of time in the laboratory‚ we experimented and tested the reaction rate of a peroxidase enzyme and the factors that affected it‚ both positively and negatively. The purpose of these experiments was to probe and manipulate the activity of the enzyme peroxidase by varying temperature‚ pH‚ the amount of enzyme compared to the substrate and the effect of hydroxylamine. Peroxidase activity is expressed when the potato extract is subjected to stresses such as low temperature
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What factors contributed to the growth of homelessness in the 1980¡¦s and 90¡¦s? This essay explores the different reasons as to why someone may become homeless. Poverty plays an important part in being homeless. According to The Columbia Electronic Encyclopedia ¡§homelessness is the condition of not having a permanent place to live‚ widely perceive as a societal problem only beginning in the 1980s.¡¨ A person can become homeless for a number of reasons‚ there are also a lot of different types
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Misophonia is known as a brain disorder‚ this brain disorder is known as the “hatred of sound:” what it means to have this means that you are sensitive to certain sounds‚ such as people chewing with their mouths open‚ people breathing to loudly and the list goes on and on. One of my biggest pet peeves that I am trying to modify is when people are chewing with their mouths open. I try my best at ignoring it‚ but instead of ignoring it I jump to getting angry very fast. You can only change yourself
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The 1930’s was filled with many interesting and knowledgeable events that marks our history that we see we see it today. Snow white and the Seven Dwarfs became the biggest grossing film in the 1930’s. Franklin D. Roosevelt passed the Fair Labor Standards Act that raises the minimum wage from 25 cents to 40 cents an hour and limits the work week to 44 hours. A New York Scientist predicts that the United States will reach the moon by 2050. At the end of the decade the United States entered the Second
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following methods: to observe any patterns that occur‚ to conduct experiments that manipulate specific variables in a community‚ or to construct a model that may undergo succession. One example of an experiment that measures microbial succession was an experiment observing changes in traditional Chinese soy sauce over time (Sulaiman et al. 2014). The fermentation of the soy sauce brine revealed that the primary bacteria shifted from the bacteria with the genus Weissella to bacteria with the genus
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IB Physics Higher Level Full lab report on research question: Galileo’s experiment: Measuring from the motion of a cart on a track Student: Khaled Eltokhy Date: 03/10/2013 With lab partners: Hugo Valent Anders Dypvik Under the supervision of: Mark Sylvester Abstract: An experiment was done to determine acceleration due to gravity. A track was prepared to let a cart go upwards by a slight hand push and get backwards by gravity. The movement of the cart was measured by
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he decided to invade Poland in September of 1939 from the east and France and
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issues were not addressed as well as others. Although the Articles of Confederation were able to sign a treaty with England through the Treaty of Paris‚ ending the war‚ and was able to settle disputes for the settlement of western lands between the states‚ the Articles of Confederation failed to create an efficient way to settle the national debt‚ and were unable to effectively solve the problem of piracy. Thus‚ to a lesser extent‚ the government‚ under the Articles of Confederation‚ were effective
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Compromise is defined on a dictionary as “an agreement of a dispute that is reached by each side making concessions.” But to compromise is more than the dictionary definition. Compromise will obtain peace between people‚ states‚ and countries‚ and it can even saves massive people’s lives and environment. “Compromise” sounds like easy solution to most people. However‚ many people‚ even governments‚ struggle to make a decision on whether to compromise or not‚ because they always have to “give up” something
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