Molecular formula from empirical formula 1) There is a whole number multiple of the empirical formula in the molecular formula MF – (EF) n Molar mass/ empirical formula mass = n EMPRICIAL FORMULA FROM COMBUSTION DATA 1) In a combustion reaction an organism sample is burned in the presence of oxygen and produces CO2 and H2O as main products. 2) A hydrocarbon is a molecule that contains only carbon and hydrogen 3) Combustion analysis of naphthalene‚ a hydrocarbon used in mothballs
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LAB 4 Read over the parts of the microscope and answer the following questions: 1. What do you call the lens you look through on the microscope? Ocular 2. What is the difference between the ocular lens and the objective lens? Ocular lens is the lens you look through and objective lens is the lens that is close to the stage. 3. Where do you place the slide on the microscope? the stage under the stage clips 4. Which adjustment‚ course or fine‚ do you use when you are observing the
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Name: Angel Simon Pre–Lab Question Ocular lens 1. Label the following microscope using the components described within the Introduction. Experiment 1: Virtual Magnification Exercise Post-Lab Questions 1. At what magnification do you first notice the ragweed pollen? Answer: 1000 2. Which is bigger‚ a rhinovirus or E. Coli? Answer: E. Coli 3. Based on the magnification‚ how many of the E. Coli can fit into the same space as the
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Cell Structure I. Cell History A. Anton Leewenhock (1600s) - first person to observe cells - in pond water‚ using a homemade microscope B. Robert Hooke (1665) - observed many kinds of animal tissue under a microscope - concludes that all animals are made up of cells C. Schwann (1868) - observed many kinds of animal tissue - concludes that all animals are made up of cells D. Schleiden (1869) - observed many kinds of plant tissue - concludes that all plants are made up of cells E. Cell
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Name: _______________________________________ Date: _________________ Per: _____________ Cells: The Basic Unit of Life Directions: Define the key terms and then complete the following Section Reviews after reading through Sections 5.1 through 5.3. You will complete your answers on a separate sheet of paper and then staple this worksheet on top. Vocabulary Words: Cells Cell Wall Prokaryote Chromosome Cell Theory Nucleus Nuclear Envelope Cytoplasm Cell Membrane Eukaryote
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Exercise 7.3 (training!!!) 1. Find the oxidation numbers of the underlined elements in the following species. (a) (e) (i) (m) (q) (u) (y) 2. SO3 PbSO4 CoCl42CrO42SO32Ca(NO3)2 Co(NH3)43+ VO2+ CaH2 KMnO4 SCl2 N2 NaOH (c) (g) (k) (o) (s) (w) HCO3[Al(OH)4]MnO42NO2FeCl3 KOCl (d) (h) (l) (p) (t) (x) H2S2O7 H2O2 Cr2O72K2SO4 CH4 Pt(CO)4 Which of the following equations represent redox reactions? Specify the species being reduced in each case if applicable. (a) (b) (c) (d) NaI(s) + 2K(s) + 2NH3(g)
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What is the state of nature? The state of nature is a term in political philosophy that describes a circumstance prior to the state and society’s establishment. Philosophers‚ mainly social contract theory philosophers‚ and political thinkers such as Thomas Hobbes‚ John Locke‚ and Jean Jacques Rousseau discussed and considered the "state of nature" as a starting point to their political and philosophical ideas. John Locke‚ whose work influenced the American Declaration of Independence‚ believes that
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literature‚ the conception of Nature seems to be a quite complex question. ’Nature’ is not a concept that can be grasped easily and it often requires discussing some great philosophical conceptions like ’Pantheism’ or ’Deism’. However‚ my paper will not deal in detail with such vast enquiries. I rather want to focus more accurately on how ’Nature’ is used by Pope and Coleridge‚ respectively. With other words‚ I would like to analyse the function of the concept of ’Nature’. The fact is‚ that even if
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Grace or Nature There are two way to live in life‚ the way of grace‚ and the way of nature. And‚ each of us has to choose which one we will follow. The movements of nature and of grace‚ for they move in very contrary and subtle ways‚ and can scarcely be distinguished by anyone except a man who is spiritual and inwardly enlightened. All men‚ indeed‚ desire what is good‚ and strive for what is good in their words and deeds. For this reason the appearance of good deceives many. Nature is crafty
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Human Resource Management PPMG 110 (Core Module) University of Wales Imperial Institute of Higher Education Lecturer - Sanjeeva Perera BSc (Eng) Hons‚ MBA PPMG 110 Lecture 1 - Changing Nature of HRM 1–1 Lecturer’s Profile Chief Executive Officer Sumathi Information Technologies Lecturer Human Recourse Management - MBA Program at IIHE Organizational Behavior – MBA Program at IIHE Organizational Behavior - MSc Program at SLIIT Enterprise Applications and Relation Management
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