Chemistry revision Atoms elements and compounds Atom-the smallest part of an element that can still be recognized as an element Element-a substance made up of only one type of atom. An element cannot be broken down chemically into any simpler substance Nucleus-middle of the atom‚ which contains protons and neutrons Electron-tiny particle‚ which surrounds the nucleus with a negative charge Compound-when two elements react and combine together which contain more than one element. There
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3/5/2011 EXPERIMENT EXPERIMENT 8 OBJECTIVES CONCEPTS REAGENTS PROCEDURE RESULTS DISCUSSION IR ANALYSIS 8 Objectives to differentiate various types of oxygen-bearing organic compounds to device a scheme to distinguish each functional group Analysis of Oxygen-bearing Organic Compounds alanx3@yahoo.com OBJECTIVES CONCEPTS REAGENTS PROCEDURE RESULTS DISCUSSION IR ANALYSIS to characterize an unknown sample through parallel chemical tests ARMSALCEDO ARMSALCEDO alanx3@yahoo
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Analysis of Oxygen Bearing Organic Compounds James Matthew Jocson*‚ Gianvittorio Lanta‚ Chiqui Ann Llamado‚ Jeron Manaig College of Science Department of Biology University of Santo Tomas‚ Manila‚ Philippines Abstract Five oxygen-bearing organic compounds were given namely Methanol‚ 2-propanol‚ tert - butanol‚ formalin‚ and acetone. Different tests were done to each sample to differentiate their characteristics. These test were Dichromate test‚ Tollens Test‚ DNPH test‚ Iodoform Test‚ and Lucas
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Yentl Smith BIOL 3810-504 Compound Action Potentials Date Performed: 15FEB2011 Date Due: 01MAR2011 Introduction Neurons are the cells that receive and transmit electrical signals (University of North Texas‚ 2010). The ability of the neuron to conduct these impulses is because of an electrochemical voltage across the plasma membrane of that neuron. An action potential is an all or nothing response to a stimulus along a single axon. A compound action potential is a graded response that
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In the poem‚ Mexican is Not a Noun by Francisco X. Alarcon‚ my reaction to how Alarcon chose to structure his poem was that every line makes a huge statement. Each line has its own meaning making the reader think and imagine the life of a Mexican and how they view themselves. What they have to go through‚ the discrimination‚ throughout their lives. Being an outsider in a white man’s world. Never having anything of value in their life. Stating that a Mexican is a minority that is discriminated
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|Compound Microscope Parts | |[pic] | |A high power or compound microscope achieves higher levels of magnification than a stereo or low power microscope. It is used to view smaller | |specimens such as cell structures which cannot be seen at lower
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Complex and compound sentences Compound sentence O A compound sentence is a sentence with two or more independent clauses joined by: O a comma followed by a coordinating conjunction (and‚ but‚ or‚ nor‚ for‚ yet‚ so): The dog barked‚ and the cat yowled. O a semicolon: The dog barked; the cat yowled. Important Definitions O Independent Clause: O A group of words that makes a complete statement. It can stand alone as a sentence O Coordinating Conjunction: O A word that is used with a comma to
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EXPERIMENT 1 IDENTIFICATION OF UNKNOWN COMPOUNDS Date of experiment : 7th August 2012 Venue: ME204 INTRODUCTION Chemical reactions are regularly categorized into 3 types: oxidation-reduction (redox reaction)‚ precipitation (double displacement) and acid-base reaction (double displacement) Type 1: Oxidation-Reduction Reactions Oxidation-reduction processes include the movements of electrons form oxidants to reductants‚ which lead to increases in oxidation
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Noun Clauses as Subjects The first grammatical function that noun clauses can perform is the subject. Subjects are defined as words‚ phrases‚ and clauses that perform the action of or act upon the predicate. For example‚ the following italicized noun clauses function as subjects: * Whoever ate my lunch is in big trouble. * How you will finish all your homework on time is beyond me. * That the museum cancelled the lecture disappoints me. Noun Clauses as Subject Complements The second
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Transformation of Sentences Simple - Complex – Compound (Rules‚ Examples and Practice) Conversion of simple sentences into complex A simple sentence may be converted into a complex sentence by expanding a word or phrase into a subordinate noun clause‚ adjective clause or adverb clause. *By expanding a noun/noun phrase /adverb etc. into a noun clause 1. He admitted his mistake -------------- He admitted that he had made a mistake. 2
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