Equilibrium constant

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    Potato Enzyme Lab

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    The role of enzymes play a large role in the survival of organisms through catalysis of reactions that keep them alive and functioning. The purpose of this experiment was to measure reaction activity over time and how substrate concentration affects their activity level. A supernatant was made through the dilution of blended potato extract. Then the supernatant was mixed with catechol and the reaction rate was measured in units of absorbance through a spectrophotometer every 30 seconds for ten…

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    Reservoir Systems consist of a hollow inner core and a polymer membrane, there to control the rate of drug diffusion. Drug diffusion across the membrane is rate limited and controls general drug release rate (Bajpai et al. 2008). For reservoir systems drug release normally remains steady resulting in a zero order profile (Raval, Parikh and Engineer, 2010). Another technology is called the Multiparticulate drug delivery system which consists of microencapsulated granules/beads containing drug…

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    Introduction Enzymes are specialized proteins that act as catalysts. Enzymes are a key part of many biological processes because they are capable of lowering the activation energy of a chemical reaction. By lowering the activation energy enzymes are able to speed up reactions allowing for multiple chemical processes to occur at a faster rate in many living organisms. Enzymes work by binding to specific molecules called substrates. The enzyme observed in this experiment was amylase and its…

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    Aim: This is an investigation to establish the effect of different temperatures (from 0°C -100°C) on the production of oxygen gas in a potato catalase reaction, using hydrogen peroxide as a substrate. The oxygen gas produced will be measured using a gas pressure sensor. Introduction: Enzymes are proteins, known as biological catalysts that increase the rate of reaction in a biochemical reaction without being chemically altered. The human body consists of various different types of enzymes,…

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    John Nash Diagnosis

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    his work in mathematics. While Nash is at a bar with some of his fellow students, they try to come up with a strategy to talk to some woman there. As they discuss some possible approaches, Nash creates an idea, which becomes known as the Nash Equilibrium and publishes a piece on it. This game theory basically states that if there are two people in a situation and one person has taken the other person's perspective into account and is a making the best decision that they can; and the second…

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    The second argument Dawkins makes is that religion and God create a false hope to all those who put their faith in it (Dawkins 2014). He believes religion in the face of God encourages people to believe in a higher being who oversees everything and plays are part in the lives of each person on earth (Dawkins 2014). God and religion also creates a false hope that there will be white gates waiting for the after death (Dawkins 2014). Dawkins believes that God is a being that controls and influences…

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    The Ideal Gas Law

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    of an ideal gas with the following equation: P V = n R T, where P is the pressure of the gas in atmospheres, V is the volume of the gas in liters, n is moles of the gas, and T is the temperature of the gas in Kelvin degrees. R is the ideal gas constant. The Ideal Gas Law is a combined summary of Boyle’s Law, Charles’s Law, and the Avogadro’s Law. This Law works best under low pressure, room temperature (298K) environments because these environments allow gases to behave ideally, namely to…

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    Analysis Of Ka And Pkb

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    For this reason, the concentration of hydrogen ions (H+) and hydroxide ions (OH-) depend on equilibrium coefficients of acid (Ka) and base (Kb). Equation 1 shows the chemical dissociation equation of a weak acid. Furthermore, Equation 2 describes the equilibrium constant of a weak acid. On the other hand, Equation 3 and Equation 4 illustrate the chemical equation for the dissociation and equilibrium constant of a weak base. HA ↔ H+ + A-…………………………………………………. Equation 1…

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    Equilibrium Reaction Lab

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    determine the equilibrium constant of the reaction between Fe3+ ions and SCN2+ ions. In solutions one to five (the reference solutions), a large volume of concentrated Fe3+ ions was used in order to react with and convert all of the SCN2+ ions into FeSCN2+ ions. In solutions six to ten (the test solutions), a constant volume of Fe3+--in lesser concentration--and varying volumes of SCN2+ ions were diluted with DI water and reacted to produce an unknown amount of FeSCN2+ ions in an equilibrium…

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    Collision Theory Paper

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    The amount of time required for a chemical reaction to come to completion can vary tremendously depending on the reaction (Addison-Wesley, 2002). The speed at which any reaction proceeds can be defined as a reaction rate (J. Laidler, 2015). The rate of reaction can only be obtained experimentally, in order to yield a rate law. By conducting this experiment, it has the potential to harvest useful information regarding the understanding of rates of reaction. Understanding the rate of reactions is…

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