JOMO KENYATTA UNIVERSITY OF AGRICULTURE AND TECHNOLOGY DEPT: CIVIL ENGINEERING UNIT: CHEMISTRY 1 (SCH 2109) PRACTICAL REPORT EXPT 2: Standardization and Determination of Concentration of Hydrochloric Acid in a Given Solution by ARAKA BRAMWEL MBOGO EN251-0221/2010 TITLE: STANDARDIZATION and DETERMINATION OF THE CONCENTRATION OF HYDROCHLORIC ACID PRESENT IN A GIVEN SOLUTION Aims: To be able to standardize Sodium Hydroxide (NaOH) solution using a standard solution of Oxalic acid
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Chapter 2 The family arrives at Cutwater and settle into a cabin The children are warned not to go into the forest because of savages They spend a winter in their new home Robert becomes friends with Andrew Watson By Spring Jamie dad decides to stay in Cutwater because their store is successful and they feel welcomed Chapter 3 Jamie has fun playing with a seal Supply ships would come in with their orders. One trader told of the news of savages causing trouble everywhere Jamie received a copper flute
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electrons d. Group 2A; 2 valence electrons e. Group 7A; 7 valence electrons f. Group 4A; 4 valence electrons a. Cl b. S c. Al d. Li by gaining or losing electrons a. 2 b. 3 c. 1 d. 2 a. Al3+ b. Li+ c. Ba2+ d. K+ e. Ca2+ c. Sr2+ Most nonmetals gain 1‚ 2‚ or 3 electrons to achieve a noble-gas electron configuration. a. 3 b. 2 c. 1 d. 3 a. S2– b. Na+ c. F– d. P3– a. gain of 1 electron b. loss of 1 electron c. gain of 3 electrons d. loss of 2 electrons e. loss of 2 electrons f. loss
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Chilean Copper Mine Name XBCOM/275 May 18‚2014 Dr Jose A. Cotay Chilean Copper Mine On August 5‚ 2010 there was one of the worst mining disasters in the history of mining. In the Atacama Deseret one of the largest mines there was a clasp. On this day 33 miners were unaccounted for after they did a head count of all the miners that come out the dust and dirt. The company was not sure if they were alive or dead. The community that these men lived in was grief stricken and their families were
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Chemistry Coursework Planning Aim: To find the effect of concentration of thiosulphate on the rate of reaction between sodium thiosulphate and hydrochloric acid. Introduction: Word Equation for the reaction: Balanced Symbol Equation for the reaction: Observations during the reaction: • A yellow precipitate of Sulphur starts to form and the reaction mixture goes cloudy. • A colourless‚ poisonous gas of sulphur dioxide is given off. • Sodium Chloride (salt) and Water
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Wolff‚ H-based nucleophile carbonyl reduction‚ imine formation‚ reductive amination (rxn only)‚ ketal/acetal formation‚ dithiane chemistry (rxn only)‚ alpha-bromination of ketones‚ -COOH properties (the trends on HW4)‚ Fischer‚ acidic/basic hydrolysis of esters/amides/nitriles‚ CH2N2‚ acid chloride formation (rxn only)‚ acid chloride rxns with esters and amides. 2 Rxn of carboxyllic acid derivatives w/organometallic reagents‚ Cuprate preparation and rxn‚ Reduction of carboxyllic acid derivatives
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in the market than the copper cables. These cables are widely used in offices or residential areas. Copper cables transmit information through electrical signals. It has been used as a speaker system wire‚ telephone wire‚ computer cable wire etc. for over years now. Optical fiber comprises of plastic or glass strands to transmit data or information digitally with the use of light rather than electricity. On the other hand‚ copper cable encompasses of a single thread of copper. The size of the cable
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KENNECOTT COPPER CORPORATION CASE REPORT 1. Analyze the economic rationale of the Carborundum acquisition. Under what conditions an acquisition would be expected to add to shareholder value in general? Do any of these reasons apply to Carborundum acquisition? Prior to the consideration of Carborundum as an acquisition target‚ Kennecott‚ a copper company‚ pursued an acquisition of Peabody‚ a coal company‚ for $285 million in cash in 1968. There are two main rationales behind the acquisition of
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Chemistry Batteries [Chemistry HSC Course-1] What is an Anode? An anode is the negatively charged electrode of an electrical device but in this a primary cell‚ that supplies current. What is a Cathode? A cathode is the positively charged electrode of an electrical device which in this case is a primary cell‚ that supplies current. What is Current? A flow of current which results from the ordered directional movement of electrically charged particles. A current is the rate of flow of charge
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GEOMETRY Molecular geometry is the three-dimensional arrangement of the atoms that constitute a molecule. It determines several properties of a substance including its reactivity‚ polarity‚ phase of matter‚ color‚ magnetism‚ and biological activity.[1][2] The angles between bonds that an atom forms depend only weakly on the rest of molecule‚ i.e. they can be understood as approximately local and hence transferable properties. The specific three dimensional arrangement of atoms in molecules is referred
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