CH 222 ANALYTICAL CHEMISTRY I SYLLABUS COURSE OUTLINE: a. Introduction (1.5 hours) Classification of types of analysis‚ role and importance of analytical chemistry in various aspects of life. b. Steps in a typical quantitative analysis (10 hours) Emphasis on sampling protocol‚ sample preparation‚ wet chemistry methods‚ statistical evaluation of data. c. Review of concepts of stoichiometry (2 hours) Mole concept‚ concentrations‚ dilution and aliquots d. Review of concepts of equilibria
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Iron Curtain Context: • 2nd WW left only 2 Great Powers standing in any strength (US & Soviet Union) • US emerged physically unscathed from war‚ economy stronger than ever‚ quickly demobilized‚ possessed atomic bomb • Soviet Union devasted by war‚ 20 mil of population persisted‚ but still formidable military power (4 mill soldiers under arms & still formidable military power & in control of population & territories in central/eastern Europe) • Became common speaking of 2 as superpowers
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” A. planting corn He compares planting corn to the people.“no kernel of nourishing corn can come to him but through his toil bestowed on that plot of ground which is given to him to till.” an iron string He compares a iron string to self confidence. “Trust thyself: every heart vibrates to that iron string.” B. C. clay He compares clay to work “But redeemers and benefactors‚ pious aspirants to be noble clay under the Almighty effort‚ let us advance and advance on Chaos and the Dark.”
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the most important time pieces in American literature‚ Rebecca Harding Davis pieces led the realism movement by exposing real and daily life events in American society. Rebecca Harding Davis pioneered the realism movement with her work “Life in The Iron Mills”. Davis influenced many woman and men thereafter to get involved in the realism literary movement. She paved the way for women to have voices in a time were men were the famous authors. Many of Davis`s pieces wrote to inform the country of the
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generate those advancements. In particular‚ the progress and development of iron and eventually steel‚ steam power and it’s multitude of uses‚ and the railway systems has truly defined the technological advancements of recent centuries. Body: Prior to the 18th century‚ the methods in place for producing iron were relatively rudimentary and ultimately inefficient. Early 18th century European smelters used charcoal fired iron furnaces. The furnaces were also small and only yielded an “average output
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Contents PART XV ANALYTICAL CHEMISTRY Chapter 63 Detecting the presence of chemical species Action of heating solid sample strongly 1 Chapter 64 Separation and purification methods Centrifugation Sublimation Partition equilibrium of a solute between two immiscible solvents Two-dimensional thin-layer chromatography 2 2 3 6 Chapter 65 Quantitative methods of analysis Detection of end point in acid-alkali titration 8 Chapter 66 Instrumental analytical methods More
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Chapter 4 - Chemical Bonding Outline • 4.2 Naming Compounds and Writing Formulas • 4.1 Types of Chemical Bonds • 4.4 Electronegativity‚ Unequal Sharing‚ and Polar Bonds • 4.5 Vibrating Bonds and the Greenhouse Effect • 4.3 Lewis Structures • 4.6 Resonance • 4.7 Formal Charge: Choosing among Lewis Structures • 4.8 Exceptions to the Octet Rule • 4.9 The Lengths and Strengths of Covalent Bonds © 2014 W. W. Norton Co.‚ Inc. 1 Chemical Bonds All chemical bonds consist of _______ that
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Argon (Ar) is a noble gas found in Group 0 on the periodic table. It gets its name because of its chemical inertness and comes from the Greek root ‘Argo‚’ which means lazy. This is because Argon doesn’t react well with other elements. The atomic number of Argon is 18 making it a member of the helium group of elements which are also called noble‚ or inert‚ gasses and are non reactive. Its electronic configuration is: 1s2 2s2 2p6 3s2 3p6 The outermost shell‚ shell number three‚ has a completely
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Practice problems Chapter 6 Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which one of the following is correct? A) ν ÷ λ = c B) ν = cλ 1) C) νλ = c D) λ = c ν E) ν + λ = c 2) The photoelectric effect is __________. A) a relativistic effect B) the ejection of electrons by a metal when struck with light of sufficient energy C) the darkening of photographic film when exposed to
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Combustion of Acetylene (ethyne) Rx: Back Why I don’t do acetlyene explosions in our lab.... Combustion of alkanes A quick review.... • Combustion reactions of alkanes consist only of C and H (hydrocarbon) • require O2(g) as a reactant • produce CO2(g) and H2O(g) and a large amount of energy!! Oxygen can be the limiting reagent which can lead to Incomplete combustion. For complete combustion of a hydrocarbon‚ oxygen must be in excess. If there isn’t sufficient oxygen‚ incomplete combustion occurs
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