sculpture of the Marble Statue of an Old Woman caught my attention instantly. This Roman copy of a Greek work depicted an elder woman that is less popular to be portrayed compared to depictions of youths. This is most likely because artists wanted to capture an eternal youthfulness of portraits. According to the description tag‚ the sculpture was actually a Roman (14-68 AD) copy of a Greek sculpture‚ dated to around the second century BCE. Marble Statue of an Old Woman‚ was a pentelic marble sculpture.
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Regents Chemistry Quarter 1 Midterm Review 1. The percent by mass of oxygen in Na2SO4 (formula mass = 142) is closest to 1) 11% 3) 45% 2) 22% 4) 64% 2. Given the unbalanced equation: __Al(s) + __O2(g) → __Al2O3(s) 3. 4. 5. 6. 7. balance the equation using smallest whole number coefficients. The percent by mass of aluminum in Al2O3 is approximately 1) 18.9 3) 47.1 2) 35.4 4) 52.9 What is the approximate percent composition by mass of CaBr2 (formula mass = 200)
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Advantages: Sulfamic acid is the fastest de-scaler - It dissociates into hydroxonium ions more readily in aqueous solution than the others‚ therefore giving a greater concentration of atoms that are able to react with the calcium in lime scale. It is safe to use because it does not produce chlorine gas [5]‚ which can be toxic. Sulfamic acid also has a low volatility. Disadvantages: Sulfamic Acid can be an irritant to eyes or skin and is the most expensive of the de-scalers. Q2) How these de-scalers
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zinc (II) oxide and bismuth metal. h. Calcium metal reacts with phosphorus to produce calcium phosphide. i. The combustion of decane forms water and carbon dioxide. j. A solution of hydrochloric acid reacts with solid calcium bicarbonate to produce water‚ carbon dioxide‚ and calcium chloride. (Note: Carbonic acid decomposes to form the water and carbon dioxide) k. A solution
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Reg id- 11003351 Roll no- RK6005B34 Acknowledgement I am deeply indebted to Ms.Vibhuti Walia‚ our Chemistry faculty without whose constructive guidance this term paper would not have been a success. Her valuable advice and suggestions for the corrections‚ modifications and improvement did enhance the perfection in performing my job well. I
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Some reasons that a homicide investigation starts at the primary crime scene is mainly because the police are usually called to this location by the person who discovers the body‚ or‚ a witness to the crime‚ but it could also in some cases even be the victim. In homicide cases‚ the location where the body is discovered hold a great deal of physical evidence and serves as a starting point for the beginning of an official investigation. At this point it is safe to say that it is important to assume
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Standing over fifty-eight feet high is the Marble Column from the Temple of Artemis at Sardis‚ known as one of the seven wonders of the world. The marble column that stands tall at the Metropolitan Museum of Art is different from the rest found at the site of the temple because the capital is slightly smaller than the rest. This indicates that it did not belong to the outer colonnade. The columns at the Temple of Artemis are found to be ionic orders‚ being one of the three different types of orders
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Midterm Questions Criminal Investigation Unit 5 Project Norman Jones CJ210-04 1. What are methods of inquiry and how are they used in criminal investigation? Methods of inquiry are a set of principles used to gather and process information in the pursuit of providing
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used (ml) | 30.6 | 30.2 | 30.0 | | | | | Acid to Base Ratio | 0.87 | 0.86 | 0.86 | Average acid/base ratio | 0.86 | | | | | Base to Acid Ratio | 1.14 | 1.16 | 1.17 | Average base/acid Ratio | 1.16 | Name: Jared Philip Condez Date Performed: June 28‚ July 2 & 5‚ 2013 Partner: Shiela Mae Molina Date Submitted: July 12‚ 2013 Experiment 3 ACID – BASE TITRATION I. Objectives * Determine the purity of Potassium Acid Phthalate * To titrate effectively
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Criminal Investigations The method of inquiry is the way that an investigator or detective gathers information about a specific case. There is several different method of inquiry such as evidence collection‚ witness and victim statements‚ and information stored in public and private databases. The methods of inquiry are used to figure out what happened at a particular crime scene. A criminal investigator is trying to establish the who‚ what‚ where‚ when‚ why‚ and how of the crime. During this process
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