1. (a) The diagram below represents the industrial fractional distillation of crude oil. (i) Identify fraction A. (ii) What property of the fractions allows them to be separated in the column? (2) (b) A gas oil fraction from the distillation of crude oil contains hydrocarbons in the C15 to C19 range. These hydrocarbons can be cracked by strong heating. (i) Write the molecular formula for the alkane with 19 carbon atoms. (ii) Name the type of reaction involved in cracking. (iii) Write
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Scuba diving is a form of underwater diving in which a diver uses a scuba set to breathe underwater. According to the Professional Association of Diving Instructor (PADI)‚ a “DEEP DIVE” is considered to be anything from 18 meters (60 ft) to 30 meters (100 ft). A scuba diver moves around underwater by using swim-fins attached to the feet‚ however external propulsion can be provided by a diver propulsion vehicle. Scuba diving may be performed for a number of reasons; either for recreational purposes
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FINAL SUMMATIVE PRESENTATIONS This evaluation will involve working in groups of 3 to prepare a written report‚ poster and a demonstration of food preparation of your chosen topic. PART A: WRITTEN REPORT This should give the reader background information on your selected topic. This information will be shared with the class as an ongoing commentary in addition to your demonstration. The report will be typed using proper report format with a title page and subheadings. It should
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Keghan Chapter 8 MULTIPLE CHOICE QUESTIONS Topic: Structure Elucidation 1. An alkene adds hydrogen in the presence of a catalyst to give 3‚4-dimethylhexane. Ozonolysis of the alkene followed by treatment with zinc and acetic acid gives a single organic product. The structure of the alkene is: CH3 A) CH3CH=C-CHCH2CH3 (cis or trans) CH3 CH3 B) CH3CH2C=CCH3 (cis or trans) CH2CH3 C) CH3 CH2=CCH2CHCH2CH3 CH3 CH2 D) CH3CH2CCHCH2CH3 CH3 CH3 E) CH3CH2CHCHCH=CH2
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CELL STRUCTURE CELL THEORY: Structural and functional unit of all living things New cells arise from already existing cells Cells contain information that instructs growth. This information can be passed onto new cells. MICROSCOPES: There are two main types of microscopes: Light and Electron Electron Micrographs- shown in colour LIGHT ELECTRON Uses beam of light Magnification = x1500 Resolution = 200 nm Wide range of specimens can be used Samples are fairly quick + easy to prepare
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Popular Culture � PAGE �1� � The Affects of Popular Culture on Modern American Society Introduction to Popular American Culture Word Count: 817 The Affects of Popular Culture on Modern American Society The American way of life revolves around popular culture. The artifacts surrounding them shape the lives and personalities of individuals. The choices people make regarding the things they buy come from commercials they have seen on TV‚ ads in the newspaper‚ or something they have seen someone
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Impact of the Second Great Awakening in Modern-Day Society The Second Great Awakening laid the foundations of the development of present-day religious beliefs and establishments‚ moral views‚ and democratic ideals in the United States. Beginning back in late eighteenth century and lasting until the middle of the nineteenth century‚1 this Protestant awakening sought to reach out the un-churched and bring people to a much more personal and vivid experience of Christianity. Starting on the Southern
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Implications of Telehealth This paper explores the scenario in which I am a Nurse Practitioner working in St. Theresa emergency dept. A patient is bought to the emergency room after he was found wandering through the streets. Upon assessment‚ he states that the government is plotting against him watching him through the TV. He claims that the government is also listening to his conversations through the cellphone. Furthermore when he goes to sleep the government people are coming to his
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Charles Kay’s article‚ “Aboriginal Overkill and Native Burning: Implications for Modern Ecosystem Management‚” describes the apparent flaws in western environmental policy for park management. He describes how the current park management strategy is based on false interpretations of the perceived pre-Columbian‚ North American wilderness conditions and a desire to return to those conditions. Kay uses three major premises (intermediate conclusions) to support his argument against park policy and counter
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Prehistoric Times - Beginning of the Christian Era (Black Magic) * 1700 BC King Hammurabi’s reign over Babylon In ancient Babylon King Hammmurabbi began to classify metals such as gold ‚ iron‚ and copper. He also gave certain materials higher value than others‚ depending on the potential of the material. Known metals were recorded and listed in conjunction with heavenly bodies. 430 BC Democritus of ancient Greece Democritus and the atom: c.420 BC In the late 5th century BC Democritus
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