Skills: Planning and Design Topic: Pure and Impure Matter Date: January 13‚ 2012 Problem: Troy was told that the presence of an impurity raises the boiling point of water. Troy wanted to carry out an experiment with salt water and distilled water to determine which would have a higher boiling point. Suggest a plan and design for this lab. Hypothesis: The salt water will have a higher boiling point than the distilled water. Variables: Controlled: the amount of distilled water and salt. Manipulated:
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Italian Neo realism; Pure Cinema 1. Ladri de Biccilette [Bicycle Thieves] (Vittorio De Sica) Do you agree with Andre Bazin that Ladri de Biccilette is an example of ‘pure cinema’? (Bazin [1971] p.60). To what extent is such a pure cinema possible and‚ in your opinion‚ which Italian Neo-realist film screened on the unit comes closest to it? Explain your reasoning. This essay will address the characteristics of ‘pure cinema’ and the extent of its practical nature. It also seeks to analyse
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Periodic trends across the period three oxides Clare Smerdon Access to Higher Education Science 08/04/2015 Julie Day Periodic trends across the period three oxides Objective This experiment is intended to explore the relationship between the physical properties of the oxides of Period 3 elements (sodium to chlorine) and their structures. Argon is obviously omitted because it doesn’t form an oxide. Hypothesis This experiment will be investigating the following
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There are many industries. Economist group them into four market models: 1) pure competition which involves a very large number of firms producing a standardized producer. New firms may enter very easily. 2) Pure monopoly is a market structure in which one firm is the sole seller a product or service like a local electric company. Entry of additional firms is blocked so that one firm is the industry. 3)Monopolistic competition is characterized by a relatively large number of sellers producing differentiated
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argue that foreign languages have diluted the purity of American English‚ I believe English was never a pure language to begin with‚ and the dilution of it has occurred in the past and is bound to happen because America is a nation of immigrants. Before we even consider blaming other languages for diluting American English‚ we must ask ourselves a question; how can one call American English pure? British English is derived from French‚ Arabic‚ Hebrew‚ German‚ and many other languages (Harper). When
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Alexis Sorensen Kant Final James Griffith 1:30-3:00(T/TH) 11/17/12 Pure Mathematics Immanuel Kant‚ a Prussian philosopher during the 1700s‚ examined the basis of human knowledge and its existence. Through rationalism and empiricism‚ Kant developed an individual model that supported the concept of pure mathematics. Kant’s logic allowed him to prove concepts that appeared unable to be proven. Pure mathematics‚ as an a priori cognition‚ can be considered to be an example of a concept that may
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The Physical Properties of Eleven Chemical Compounds Problem: Discover whether various chemical compounds are molecular or ionic and if they are acidic or basic. Hypothesis: If the compound is ionic‚ then it will be soluble because the energy given off water molecules compensates for the energy needed to break ionic bonds‚ also‚ if the compound is Ionic‚ it will be an electrolyte‚ because they mostly break up into ions when in water. If the compound is molecular‚ then it will be soluble‚ it cannot
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first 36 elements of the periodic table. Procedure: A piece of graph paper was given out by the teacher. A periodic table that has the atomic number‚ atomic radius (AR)‚ and first ionization energy (IE) was given out by the teacher. A sheet of paper was taken out to record the elements‚ atomic number‚ atomic radius (AR)‚ and the first ionization energy (IE). To record the data‚ a chart that was split into four sections was made. After recording all the data‚ the periodic table was given back to the
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Experiment #8: Ionic Reactions Purpose: In this lab we will work with aqueous solutions of ionic substances and determine if they are soluble. If the solution appears milky than it is known as a precipitate reaction‚ meaning it is soluble‚ and that the ions separated and became surrounded by water. Precipitates in this experiment are electrically uncharged. To identify which compounds are soluble or insoluble we can check the chart in the textbook containing solubility rules and tables. The goal
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Ionic Reactions Results B - Do your results agree with your expectations from the solubility rules/table? Our results seemed to largely agree with the established solubility rules/table; however‚ a few reactions with the commonality of being mixed with Co(NO3)2 (cobalt nitrate) [reference Row A‚ Columns 2‚ 3‚ and 4] seemed to have such a pale pink tone that it was difficult to decide whether that could have been a precipitate or the lighting in the area where the experiment took place. Ultimately
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