CHEMISTRY I Experiment 12: Avogadro’s number (hand out) Introduction: The objective of this experiment is to determine the value of Avogadro’s number and the mole concept via the use of the monolayer experiment. Experimental data sheet: Attached Calculations: 1. Area of monolayer A= 3.14(8.58 cm)² / 4 A= 231 cm² / 4 A = 57.8 cm² 2. Molecules of stearic acid in monolayer 57.8 cm² x 1molecule = 2.8 x 1016 molecules 2.1 x 10-15 cm²
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fanatics. Read on to discover the top eight things that you definitely didn’t know about FIFA! Number Eight: The FIFA World Cup In 1928‚ the FIFA association‚ primarily in charge of regulating soccer standards‚ hosted their first international tournament. They were enticed by the incredible demand for international competitions for soccer outside of the Olympics‚ and the World Cup was born. Number Seven: The First World Cup Upon the emergence of this new tradition‚ Uruguay was deemed to be the
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Right or Wrong? How often do you get a gut feeling that something is right or wrong? Do you follow your gut? In the Adventures of Huckleberry Finn by Mark Twain‚ a boy named Huck always trusts his instincts and follows his gut‚ but doing so sometimes leads him into trouble. Huck basically raises himself‚ not relying on parental guidance to do what is right. In the novel‚ Huck follows his gut feeling of right or wrong‚ which subsequently leads him to accept the norms of society through guilt and
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4.3 4.3 Conversion Between Number Bases 169 Conversion Between Number Bases Although the numeration systems discussed in the opening section were all base ten‚ other bases have occurred historically. For example‚ the ancient Babylonians used 60 as their base. The Mayan Indians of Central America and Mexico used 20. In this section we consider bases other than ten‚ but we use the familiar HinduArabic symbols. We will consistently indicate bases other than ten with a spelled-out subscript
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"Freedom is defined as "the power to determine action without restraint" (http://dictionary.reference.com/browse/freedom). Given this definition‚ is the practice of euthanasia morally justifiable or wrong? The debate of freedom arises. Euthanasia is acknowledged as a "mercy killing." It is "the act of putting to death painlessly or allowing to die‚ as by withholding extreme medical measures‚ a person or animal suffering from an incurable‚ esp. a painful‚ disease or condition" (http://dictionary.reference
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directed by Somarathne Dissanayake‚ produced by Renuka Balasooriya. This is my first review. So here goes nothing. As mentioned above‚ this film is created by the award winning famous director himself‚ Somarathne Dissanayake. After doing movies like Saroja‚ Punchi suranganavi‚ Suriya Arana etc‚ now the director has done his first periodic film Siri Parakum. Magnificent So does the newest movie also stand among the previous well created movies? I would say no. So lets start from the
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The main idea of the article “To Err is Wrong” is most people assumes success and failures as complete opposites‚ but “they are both products of the same process”. According to Roger Von Oech‚ almost everyone‚ from an early age‚ are taught that right answers are good and wrong answers are bad; especially if you went to school. People learn that doing mistakes and errors is wrong. Roger Von Oech says that with a fail or succeed attitude‚ people aren’t going to be taking up many chances. With an attitude
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atom. The atomic number is how we classify elements on the periodic chart. The atomic number is determined by how many protons an atom has in its nucleus. That number also determines the type of element it is. For example hydrogen only has one proton so its atomic number is one‚ while iron has twenty six and its atomic number is twenty six. The mass number of an atom is determined by adding the protons and neutrons together. Normally the number of neutrons is the same as the number of protons‚ but
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Number the Stars Lois Lowry is the author of Number the stars. She published her book in 1989 by Random House in New York. Her books have a variety of styles and content‚ but they all have the same general theme‚ such as‚ number the stars is set in a different culture and era but all her books tell the same story: that of the role that we humans play in the lives of our fellow beings. Lowry has written 20 novels and she has won the Newberry Medal award twice (Lowry‚ Lois Lowry-Bio). She also tackles
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watching the films Titus (1998) and Elizabeth (1998)‚ it has come to my attention that both of these films consist of two things. These two things that stuck out to me are violence and history. I will also be touching very briefly on the religious mechanics that drive these two films. Now many great movies contain these important aspects‚ but it’s the way that Julie Taymor (Titus) and Shekhar Kapur (Elizabeth) have used them to portray the times and above all else‚ provide us with great films to have
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