The objective of this experiment was to synthesize indigo and azo dyes and use them to observe their effectiveness in dying natural fabrics. The results of the experiment are summarized below. Weights Starting materials: • Aniline-3-sulfonic acid: 0.493 g • Salicylic Acid: 0.398 g Azo Dye: 0.515 g % Yield: (actual/theoretical) x 100 • Actual 0.515 g • Theoretical: o Aniline-3-sulfonic acid: (0.493 g/173.19g/mol) = 0.00285 mol o Salicylic acid: (0.398 g/152.15 g/mol) = 0.00262 mol o Limiting Reagent:
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WATER- The Most Important Natural Resource Totalled 75% of the earth is composed of the highly used natural resource we know as water. Water IS the most important natural resource known as it relates to everything biologically living. Water is used for an immeasurable number of important things. It occupies the earth’s surface‚ as well as our bodies and blood. Without it‚ living beings would not be able to live. Water is essential in the lives of all flora and fauna on earth‚ and serves as a habitat
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article called ’Human Evolution: New Playgrounds for Natural Selection’. This article was published on May 20th 2013‚ by Emmanuel Milot and Fanie Pelletier. This article was published in the ’current biology’ journal volume 23‚ issue 10. I chose this article because it deals with natural selection‚ which was talked a lot about in Chapter one in our learning and behavior book. Over time a lot of change took place‚ and a lot of it was due to natural selection and how our bodies and traits changed over
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The Museum of Natural History Museums are essential for sustaining the world’s biological and cultural diversity. Yet they can do more without undermining their commitment to thorough and rigorous science. For example‚ they can increase the accessibility of their collections. The advent of new information technologies allows natural history museums to digitize collections and to make associated scientific data accessible to wide audiences. These technologies enable the sharing of data with countries
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Enron Corporation was one of the largest integrated natural gas and electricity companies in the world. It marketed natural gas liquids worldwide and operated one of the largest natural gas transmission systems in the world‚ totaling more than 36‚000 miles. It was also one of the largest independent developers and producers of electricity in the world‚ serving both industrial and emerging markets. Timeline Enron began as Northern Natural Gas Company‚ organized in Omaha‚ Nebraska‚ in 1930. The
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The Natural Failure of Planning Are modern forms of contraception naturally and morally wrong? Pope Paul VI and his Humanae Vitae declare that technological methods of birth control are immoral and should not be practiced by Catholics. However‚ as our modern society illustrates everyday‚ this opinion is inappropriate for not only the faithful of the Roman Catholic Church‚ but also for non-Catholics. According to Munich Archbishop Cardinal Julius Doepfner‚ "Contraception is not intrinsically
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GEOGRAPHY: AUSTRALIA’S NATURAL RESOURCES >> NATURAL MINERALS Part 1: Geographic Spread of Natural Resources. Listed below are some examples of Australia’s most popular Natural Minerals * Aluminum/ Bauxite (Al203.3H20): Australia is the largest producer of both bauxite and alumina in the world. Bauxite is mined in Queensland‚ the Northern Territory‚ and Western Australia. * Copper (Cu): In Australia‚ copper is found mainly in rocks more than 250 million years
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SIMULATION OF NATURAL SELECTION MATERIALS Plastic or paper bag containing 100 beads of two colours additional beads as needed. AIM To prove that both allele and genotype frequencies in a population would not remain constant if natural selection occurs. Natural selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring. INTRODUCTION Natural selection‚ the differential survival and reproduction of individuals was first proposed by
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In natural rights philosophy‚ a limited government is a system restricted to protecting natural rights and that does not interfere with other aspects of life. Learning from the revolution in Great Britain‚ colonists created this country?s limited government in an attempt to protect their country from abuse of power. Both equal protection of the law and due process of law help limited government in preventing the abuse of power. Due process of law is one of our country?s oldest constitutional principles
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“NATURAL MOSQUITO REPELLENT” I. INTRODUCTION Mosquitoes can be unwelcome guest these rainy days and it is a major insect problem of people. Commercial repellents are harsh‚ have poisons that are not suitable for children and not always effective in repelling these pesky bugs. We don’t know what are the side effects of these repellents are. Some leaves‚ unripe fruit‚ and their seeds contain vermicidal and insectidal properties. It is an inexpensive alternative in avoiding mosquito that causes
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