Using a Compound Light Microscope Purpose: The purpose of this lab is to 1. Learn the parts of a compound light microscope. 2. The functions of those parts. 3. Proper use and care of the microscope. 4. Learn the technique of preparing wet-mount slides. Materials: * Compound light microscope * Soft cloth * Microscope slide * Cover slip * Dropper * Scissors * Newspaper Procedures: Part A. Care of the Compound Light Microscope. Step 1: Always carry
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AQA GCSE Chemistry Unit 1 C 1: Fundamental ideas: C 1.1. Atoms‚ elements and compounds: * All substances are made up of atoms. * Elements contain only one atom. * Compounds contain more than one atom. * An atom has a tiny nucleus in its centre‚ surrounded by electrons. C 1.2. Atomic structure: * Atoms are made up of protons‚ neutrons and electrons. * Protons and electrons have equal and opposite electrical charges. Protons are positively charged‚ and electrons are negatively
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EFFECTS OF VOLATILE ORGANIC COMPOUNDS (10244818) Volatile organic compounds (VOCs) are organic chemical compounds that have high enough vapor pressures under normal conditions to significantly vaporize and enter the atmosphere. According to EPA ’s Terms of the Environment‚ a volatile organic compound is "any organic compound that participates in atmospheric photochemical reactions except those designated by EPA as having negligible photochemical reactivity." VOC can also stand for the term “volatile
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Summer season in Bangladesh Bangladesh has a subtropical monsoon weather indicated by wide seasonal different versions in rainfall‚ moderately warm temperatures‚ and high humidity. During summer the sun shines hotly. The heat is terrible. Water goes dry. Ponds‚ canals‚ lakes and small rivers go dry. There is scarcity of water everywhere. The earth gets parched. People sweat at the slightest work and become tired and thirsty. People cannot work at ease. Summer is also the season of various fruits
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My mother I am a country girl‚ and my mother is a country woman. She and my father are both junior-middle school graduates. Partly because of this‚ I‚ as their only daughter‚ bear their high expectations of me becoming a university graduate. Besides‚ I think their big hopes on me also come from some historical reasons---- our neighbor‚ my grandpa’s younger brother’s family‚ have been mean to us. The second family in our neighborhood to build a two-story brick house‚ they are far better off than
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Narrate a Time When Your Literacy Skills Have Helped You Achieve a Personal Goal or Accomplishment. Explain the Significance of This Accomplishment My literacy skills helped me achieve a personal goal which is to work as a computer engineer for a multinational information technology organization like Hewlett Packard‚ Dell‚ Microsoft etc.‚ One has to be fluent in English and technically competent in order to get through the interview and also to succeed at work. English is
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Running head: English Composition Final Exam English Composition Final Exam Michael J Feller Allied American University Author Note This paper was prepared for English Composition II – ENG 170‚ Final Exam‚ taught by Dr. Sally Lozada. Final Exam Directions: Using Microsoft Word to save and submit your work‚ please choose ONE of the following writing topics and write a well-developed essay (3-4 pages). As your textbook requires‚ you will present an argument based on ONE of the three
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Journal Entry 3 October 28‚ 2012 LAN101: AP English Language and Composition Master Teacher: ; Classroom Instructor: Journal 3 Tone and style are two important literary devices commonly used to elicit emotions from readers. Tone is defined as the writer’s attitude towards the material and the audience. Authors create tone through use of other literary devices‚ such as diction‚ syntax‚ and imagery. Style is the manner in which an author chooses to write to their audience‚ and can reveal
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Determining the composition of pennies with redox reactions Introduction: The understanding of oxidation and reduction must be clear to carry out this lab. With the understanding of these concepts we can calculate or hypothesize for the properties of each element or compound. Oxidation involves the gain of electrons of hydrogen or the loss of oxygen or decrease in oxidation state. If zinc completely reacts with HCL‚ then the theoretical yield of copper should be equivalent to the actual yield
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carbonyl compounds is useful in reactions because nitriles are versatile functional groups1. Not only are they versatile functional groups but they serve as precursors in several transformations. The cyano-group is found in many bioactive molecules and plays a role in hydrogen bonding to certain biological receptors.4 Nitriles are carboxylic acid derivatives because they can easily be converted to carboxylic acid under either basic or acidic conditions. Piperonal is an aromatic compound that is present
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