different properties (also called chemical reaction). The four different types of chemial reations are synthesis‚ decomposition‚ single displacement‚ and double displacement. Synthesis is when atoms and/or molecules combine to form larger molecules. Decomposition is when a large molecules are split into elements or smaller molecules. Single Displacement has an element and a compound as reactants and one element replaces another element to form a new compound. Double displacement has two compounds as reactants
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Lab #5: Grignard Reaction – Synthesis of Triphenylmethanol John Kang Chem 152L Performed: 7/20/04 Date submitted: ________________ Lab Partners: Sang Lee‚ Vicky Lai TA: John Stanko Abstract: This experiment explored the synthesis of triphenylmethanol through the use of Grignard reagents. The percent yield of the product was 10% on a relatively humid day. The melting point was calculate to be 127.2oC with a literature value of 162oC. An IR spectrum of the product was taken and used
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purpose of this experiment was to prepare the Grignard reagent methylmagnesium iodide and react it with benzoin to form the 3o alcohol 1‚2-diphenyl-1‚2-propanediol‚ through an addition reaction pathway. Introduction: Grignard reagents are alkyl or aryl-magnesium halides that act as the nucleophile in Grignard reactions‚ where ketones are reacted with the reagent‚ then treated with acid to produce an alcohol. In the case of this experiment‚ methylmagnesium iodide was created from methyl iodide and
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determine the reaction time of the test participant and using the subtractive method identify the selection time and identification time of the participant. The experiments had one participant who participated in a total of 6 experiments; two experiments required a simple reaction with a single stimulus and 4 experiments that required a more complicated reaction. Keywords Subtractive method – the procedure of estimating the time it takes to perform various cognitive operations. Simple reaction – this
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Running head: Article Reviews The Four Major Trends for Mainframe Replacement The Four Major Trends for Mainframe Replacement As software trends change with the time so will the technologies that they run off of and the platforms they use to operate on. One of those technologies is mainframes and the cost to operate these in the traditional sense comes at a very high cost. The solution is to migrate to a Linux/Unix solution; this can potentially drop total cost of ownership by 77%. Since
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Knee replacement in Frisco‚ TX can restore knee function with an artificial joint. People’s joints put up with a lot of stress on a daily basis and‚ therefore‚ can become irreversibly damaged over time. The knee is one of the biggest and most complex joints in the human body. Unfortunately‚ as with other joints‚ swelling‚ pain and immobility coupled with osteoarthritis can become a constant struggle. When other remedies no longer relieve discomfort‚ joint replacement surgery can help restore mobility
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E XPE RIME NT 4 . 5 Reactions of acids Aim To investigate and compare some reactions of a strong acid‚ hydrochloric acid‚ and a weak acid‚ ethanoic acid (common name‚ acetic acid) Equipment Dropper bottles containing: • 0.1 M hydrochloric acid‚ HCl • 0.1 M ethanoic acid (acetic acid)‚ CH3COOH • 0.1 M sodium hydroxide‚ NaOH • 1 M hydrochloric acid‚ HCl • 1 M ethanoic acid (acetic acid)‚ CH3COOH • universal indicator solution • limewater (calcium hydroxide‚ Ca(OH)2) Marble chips (calcium carbonate
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____________ 1. Write a program that will display “Hello [your name]! Welcome to C programming” on the screen #include <iostream> using namespace std; void main () { char name; cout<<"hello:"; cout<<"Your name is:"; cin>>name; cin.get(); return 0; } | CRITERIA | SCORE | 1 | Implementation of pseudo code | 30 | | 2 | Identification of Input‚ Process‚ and Output requirement | 20 | | 3 | Correctness and appropriateness of selected solution
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Coupled Reactions Louella Rose E. Tan‚ Frances May L. Coralde Institute of Chemistry‚ University of the Philippines‚ Diliman‚ Quezon City 1101 Philippines Results and Discussion A combustion reaction is a reaction that liberates heat and light. Magnesium is a stable element and reacts violently with evolution of much heat and light. The reason the magnesium burned in carbon dioxide was because it combined with the oxygen in the CO2 leaving elemental carbon behind. CO2(g) C(S) + O2(g)
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POSANI THANUJA Mob: 09902428428 Posani.thanuja@gmail.com Female‚ 22 years‚ Languages: English‚ Telugu OBJECTIVE: To associate with an Organization‚ which provides the opportunity
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