Goals The main goal of this project is to learn how to identify the properties of an unknown ionic compound. In order to do this successfully the group has to use a variety of methods and run several tests on the unknown compound. By doing this the group will be able to identify the different chemical and physical properties of the compound that will help obtain the identity of the specific compound given. The group will devise two syntheses of the compound‚ and compare them for cost effectiveness
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Identifying Ionic Compounds Written by Ashleigh Lara. In our experiment we were given 5 different cations who’s mixture of anions ranged from five to three different solutions. At every single station we were given the following materials a spot plate‚ a dropper‚ and the chemicals used to mix with our main substance. Each substance received 3 drops of the different chemicals which were able to give us an observation of what the compound was made into. Many of our experiments color‚ texture and solubility
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|Ruskin Bond | |[pic] | |Ruskin Bond in a Meet the Author program at Sharjah International Book Fair‚ | |23 November 2011 | |Born |19 May 1934 (age 78) | | |Kasauli‚ Solan Himachal Pradesh‚ India | |Occupation
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Narendra Boppana‚ Nasser Ali‚ Martin Chavez‚ Sear Introduction: Ion Exchange Chromatography is a process where the ionic exchange occurs in between the stationary phase and the sample in the mobile phase‚ by using this ionic exchange phenomenon it is easy to separate the compounds. Ionic exchange depends on the electrical properties of the anions and cations. Ionic exchange chromatography is important tool in the separation of the charged species mainly in the biological‚ inorganic and environmental
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question(s) refer to this peptide: Cys-Ala-Gly-Arg-Gln-Met Refer to Exhibit 4A. The overall‚ net ionic charge on this peptide at pH = 7 would be: A. +2 B. +1 C. 0 D. -1 E. -2 5. The sequence of monomers in any polymer is this type of structure: A. primary structure B. secondary structure C. tertiary structure D. quaternary structure E. All of these 6. Hydrogen bonds are most important in this type of structure in proteins: A. primary structure B. secondary structure
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BONDS Bonds pay fixed coupon (interest) payments at fixed intervals (usually every six months) and pay the par value at maturity. Par value = $1‚000 Coupon = 6.5% or par value per year‚ or $65 per year ($32.50 every six months). Maturity = 28 years (matures in 2032). Issued by AT&T. Types of Bonds Debentures - unsecured bonds. Subordinated debentures - unsecured “junior” debt. Mortgage bonds - secured bonds. Zeros - bonds that pay only par value at maturity; no coupons. Junk bonds - speculative or
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Bonds is something that retains and holds on together with one another. There are three major chemical bonds and they are‚ Ionic‚ Covalent‚ and Hydrogen bonds. An example of a covalent bond would be SCl^2 which is Sulfur dichloride. SCl^2 is a covalent bond because since they are close to each other in valence electrons‚ they have almost full outer shells so they share electrons with one another. A good example is table salt NaCl‚ because they are on opposite sides of the periodic table therefore
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molecule with covalent bond o Formula unit with ionic bond * Molecules: formed by covalent bonds * Lattice energy is the energy released in the formation of an ionic compound. DEFINITION: The formation of an IONIC BOND is the result of the transfer of one or more electrons from a metal onto a non-metal. Characteristics of both bonds: * Occur between 2 atoms * Composed of 2 electrons * Have both ionic and covalent characteristics * Together = 100% * Both bonds are measured
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it and lit it up; after recording the water temperature. Then I recorded the mass of the ashes and I recorded the temperature one last time. I repeated the process for the other test foods as well. Results: See table below Discussion: This lab helped me learn how to measure the amount of energy contained within each food item. Questions: A. Peanut B. Considerably well C. Single replacement reaction D. Carbon dioxide and water E. Into the air F. 1. 1400 calories 2. 10.69kJ/gm 3
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Government Bonds & E Savings Bonds David A Barton Colorado Technical University Online Government Bonds & E Savings Bonds Retrieved from: Treasury Direct http://www.treasurydirect.gov/BC/SBPrice EE BONDS: $ 50 - $500 - $1‚000 Oct-2001 | | Oct-2004 | | Oct-2007 | | Oct-2010 | Value | | Int. Rate | | Value | | Int. Rate | | Value | | Int. Rate | |
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