In this essay‚ it will be discussed how the Kinetic Molecular Theory explains many gas law specifically Boyle’s gas law‚ Charles’ gas law‚ and Avogadro’s gas law. To understand what will be talked about is to first know what the Kinetic Molecular Theory is. In our textbook is says it is “A simple model for gases that predicts the behavior of most gases under many conditions.” First off‚ we will take a look at Boyle’s Law. As stated in our lab manual “at constant temperature the pressure which a given
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Our task was to look over 6 properties of the elements and determine if they follow a periodic trend or if they do not. A periodic trend increases or decreases across both a period and down a group. A quasi-periodic trend does not follow a periodic trend. The quasi-periodic trend is a trend that increases or decreases down a group. Our guiding question was Which properties of the elements follow a periodic trend? To discover the trends for each property of the elements‚ my group and I graphed
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Fig. 7A displays the amperometric response of Ag/ZSM-5/CPE with successive injection of OA into a stirred solution of 0.1 M NaHPO4 pH= 2 recorded at the potential of 0.73 V vs. Ag|AgCl in the concentration ranges from 16 μM to 4.0 mM. It can be seen that the aerometric current increases clearly after each injection of OA. Fabricated sensor displays the rapid response towards change in the concentration of OA which reaches a steady state within 2 s by applying the potential of 0.73 V to Ag/ZSM-5/CPE
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Working With Change at Perrier 1 Working With Change at Perrier [no notes on this page] -1- Working With Change at Perrier 2 Working With Change at Perrier Resistance to change is more than just an unwillingness to cooperate and accept implement changes. It involves behavioral and cognitive factors that define how a person feels and what they think about the change. Resistance to change is a common occurrence; however‚ people also have an understanding of the change
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The pH is another important factor that influences the enzyme activity‚ as it affects the shape of the enzyme or charge on substrate and ultimately its functionality (Reece et al.‚ 2011; Eed and John‚ 2013). With respect to effect of pH on enzyme activity‚ there was a steady increase in the activity for CFR15-protease‚ i.e. from pH 3.5 to 10.5 and a sudden fall was observed over pH 10.5. The activity was stable in the range of pH 7 to 10.5 and this reveals the alkaline protease nature of the enzyme
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Marble-lous Momentum Question: What happens to momentum when one marble collides with other marbles? Hypothesis: If a marble collides with increasingly more marbles‚ then the momentum will be transferred more slowly to the final marble‚ because momentum is conserved through an inelastic collision‚ but a longer distance will have be traveled by the kinetic energy. Independent Variable: The number of marbles. Dependent Variable: The momentum of the first marble and final marble. Control Variables:
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Q1) Describe and compare BOTH the similarities and differences between spatial and temporal summation Summation can be defined as the method which neurons use to communicate with each other‚ determining if the cumulative postsynaptic potential in the neuron is enough to pass the threshold for firing. There are two types of summation‚ spatial summation and temporal summation. Both types of summation are similar in that they work to strengthen the EPSP of a neuron‚ meaning they help create more postsynaptic
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3A Task 1 Aim: the aim of the experiment is to find the best temperature to ferment yeast at. Hypothesis: the yeast will ferment the best at 60 degrees Celsius. Independent variable: the temperature of the water the yeast is put in to ferment. Dependent variable. The amount of air bubbles the yeast produces. Controlled variable: the amount of yeast and glucose in each syringe. Uncontrolled variables: human error in counting. Materials : Plastic soft drink bottle cut to size Marking pen
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Summary This experiment will measure the rate of oxidation of iodide ions by persulphate ions to derive the rate law for the reaction. Starch will be added to the reaction to facilitate the measure of time during the reaction. The reactant solutions will contain (NH4)2SO4 and KI‚ represented as: (NH4)2S2O8 + 2KI -> I2 + (NH4)2SO4 + K2SO4 This can be simplified to: S2O82- + 2I- -> I2 + 2SO42- These equations can only be carried out and be visible after the iodine has completely
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Temperature on the Rate Constant Joel Costa‚ Alex Fuentes‚ Michael Chea‚ Rex Nwerem Dr. Morgan Ferguson July 9‚ 2013 ABSTRACT | It is often important to determine the rate at which a chemical reaction takes place‚ i.e.‚ how fast it yields the desired products. Temperature is one of the factors that influence the rate of reactions and it does so by providing energy to reactant particles so that a larger fraction of them reach the activation energy necessary to start the reaction. The purpose
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