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    this statement in 500 words and make relation to the text ‘Der Vampir’ by Heinrich Ossenfelder. Corruption is not the basis of all we fear. It is the unknown means through which corruption occurs that leads to our fear of its connotations. The unknown bringer of our degradation is the monster at the root of its causality—and thus‚ the unknown cause of corruption is the basis of all we fear. Der Vampir uses the girl’s ignorance to his true intentions to indicate that we do not fear the possibility

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    ABSTRACT Melting points of different mixtures of naphthalene and biphenyl were examined in this lab. Samples of these various mixtures were collected and tested by different individuals in the lab in order to find the eutectic point of biphenyl. Unknown substances were then tested using the mixture melting point method in order to determine their identities. INTRODUCTION The melting point of a solid is the temperature where the substance changes from a solid to a liquid state. Using known substances

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    experiment‚ we are trying to find the identitiy of the unknown component of Panacetin. This is answering question 2 of the two questions that were to be answered in experiment 2. The equation of this reaction is as follows (and is the same as that found in experiment 2):  During this experiment‚ we used recrystallization methods in order to help in the purification of the unknown solid‚ as well as drying and vacuum filtration. We then ground the unknown and combined it with different chemicals (such

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    Sinking of the Lusitania

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    enter World War I (Unknown‚ OL). The sinking of this liner involves a sequence of events that led to its sinking‚ main participants and groups that were involved and affected by the sinking‚ and it created a great significance and importance after it was over. The sinking of the Lusitania occurred because of a series of events that led to its plummeting. The Lusitania was a British vessel that at that time was on a voyage across the Atlantic Ocean from New York to Liverpool (Unknown‚ OL). There were

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    The Half-Life of a Radioisotope CHM 152 Abstract: The half-life of an unknown radioactive isotope was investigated. The activity of the samples through use of a Geiger-Muller counter. The activity was measured for approximately five minutes per sample‚ and a half-life was calculated by the unknown. The results were calculated to indicate a half-life of 6.65 days of the unknown radioisotope. Introduction: The half-life of a radioisotope is defined as the amount of time necessary for one-half

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    blood cells‚ potato strips and three unknown solutions (A‚ B‚ C). First three slides were prepared containing RBC’s and unknown solutions A‚ B and C. A control slide was prepared only using RBC’s. After observing each slide under the microscope it was determined that unknown solution A was hypertonic because the RBC appeared to have shrunk. The RBC in unknown solution B appeared to be swollen‚ therefor‚ the tonicity of unknown solution B was hypotonic. Unknown solution C showed no change to the

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    Lab 1

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    determine the mass of a chemical. To accomplish this we use direct weighing and weighing by difference on both the centigram and electronic balances.   Equipment 1 Centigram Balances 1 Electronic Balance 1 100ml Beakers 5 Copper Slugs 2 Unknown Weights (Label # 1‚ # 2) Procedure Centigram Balance-Direct Weighing Technique 1. Obtain the centigram balance. 2. Add the copper slug to the balance. 3. Record the mass of the copper slug in grams to the observation section. 4

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    To construct a calibration curve‚ three samples with different known concentrations and a blank solution are prepared and their absorbances are measured with a UV-Vis spectrophotometer (Table 1). The absorbances of three unknown samples with same concentration and a blank are measured (Table 2). The blank solutions are used as a reference solution to calibrate the colorimeter. The volumes of Fe solution for the delivery volume errors in the 10 ml graduated pipet are corrected (Table 3). The molarity

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    Balance Lab

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    Name Lab‚ Week #1 BALANCE LAB Introduction Several instruments are used for determining the mass of a chemical; these instruments are called “balances.” However‚ different balances have different measurements‚ meaning that some balances are more accurate than others. Moreover‚ there are several techniques that are used or practiced in order to obtain an accurate measurement. The two techniques are direct weighing and weighing by difference. Direct weighing simply means to read the mass

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    the students experimented to calculate the mass of unknown acid and its equivalence point using a method called titration and titration curve. The known volume of an acid solution would be titrated by slowly adding drops of solution into NaOH‚ and the volume of base needed to react with the acid is measured throughout. By using those data‚ the students are able to find what they were trying to calculate. On this lab‚ the students found the unknown acid‚ 4.36 x 10-5‚ and the equivalence point of 8

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