DETERMINATION OF COPPER BY COMPLEXATION‚ SOLVENT-EXTRACTION AND SPECTROPHOTOMETRY ABSTRACT To determine the concentration of copper in an unknown solution by using copper complexation‚ solvent extraction and spectrophotometry. Standards are used to create a calibration curve and the unknown concentration of copper is then calculated by using the linear equation from the calibration curve. The concentration of copper in the unknown solution 201 was found to be 12.57± 0.25 μg/mL. INTRODUCTION Copper is an
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ARTISTS OF ABSTRACT EXPRESSIONISM Abstract In a previous essay‚ three different artists and their Abstract Expressionism pieces were discussed along with descriptions of their artwork and a look into their personal philosophies of art. The previous discussion also covered an explanation of the circumstances in which the pieces fit in with the time period and the environment of that time period. The following essay continues with the comparison of the form‚ content of the subject matter of the
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Abstract art Abstract art uses a visual language of form‚ color and line to create a composition which may exist with a degree of independence from visual references in the world. Western art had been‚ from the Renaissance up to the middle of the 19th century‚ underpinned by the logic of perspective and an attempt to reproduce an illusion of visible reality. The arts of cultures other than the European had become accessible and showed alternative ways of describing visual experience to the artist
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Nature of Abstract Art Meyer Schapiro (1937) Before there was an art of abstract painting‚ it was already widely believed that the value of a picture was a matter of colors and shapes alone. Music and architecture were constantly held up to painters as examples of a pure art which did not have to imitate objects but derived its effects from elements peculiar to itself. But such ideas could not be readily accepted‚ since no one had yet seen a painting made up of colors and shapes‚ representing
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calculate the enthalpy change of neutralization of the given pairs of acid and base. Theory: When alkali neutralizes an acid‚ a salt and water are formed. Aqueous hydrogen ions‚ H+(aq) from the acid react with the hydroxide ions‚ OH-(aq) from the alkali‚ forming water. Ionic equation: H+ (aq)+OH- (aq) → H2O (l) The identity of the salt will depend on the nature of the acid and alkali used. The combination of H+ and OH- ions in this way releases energy. In this practical‚ the enthalpy changes accompanying
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SYNTHESIS AND ANALYSIS OF A COPPER(II) COORDINATION COMPOUND INTRODUCTION In this multi-week experiment‚ you will synthesize a compound and then analyze it to determine its empirical formula. The substance you will prepare is a vividly colored coordination compound of copper. Based on the reagents used in the synthesis procedure‚ you can assume that the final compound contains copper(II)‚ ammonia‚ sulfate‚ and water. In your analysis
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ABSTRACT Investment Analysis is a classical application in Long-Range Planning. It deals with the investigation of uncertainties‚ the evaluation of alternatives‚ the answer to “What-if” questions. The study of how an investment is likely to perform and how suitable it is for a given investor. Investment analysis is key to any sound portfolio-management strategy. Investors not comfortable doing their own investment analysis can seek professional advice from a financial advisor. An analysis of
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Copper Sun Compare and Contrast Essay The book Copper Sun by Sharon Draper is a realistic story about a slave girl named Amari. Amari was taken from her village when “milk looking” men came and attacked them. The men killed the old and the young. Amari’s parents and her brother were all killed. Amari was then taken to Cape Coast and that is where she met Afi. Afi is like a motherly figure to Amari. Amari was then put on the “Ship of Death”. They were on the ship for a long time. They landed on Sullivan’s
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Unemployment in Pakistan ABSTRACT The cause of unemployment in society was very important topic. We have to conductive proper survey and collect the data through questionnaire and after completion of the data 24.67% unemployment is due to extreme growth in population and 28.67% non coordination between education and job opportunities. Less investment in technical field is also a reason of unemployment. According to a survey research‚ we come on this point unemployment is also depend on economic
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Chilean Copper Mine Collapse NAME BCOM 275 University of Phoenix Professor ??? DATE Knowledge of your audience is the most important part of communication. When you know the correct form of communication to use and what data to include‚ it will guarantee that the receivers will be able to process the message being provided. Knowledge of your audience will make the delivery of the message being sent is done properly. When a catastrophe occurs‚ knowledge of your audience is
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