is final step in the multistep synthesis pathway to form hexaphenylbenzene‚ and uses the products of the previous experiments: benzil and diphenylacetylene REACTION DIAGRAM TABLE OF REAGENTS BENZIL DIBENZYL KETONE TRITON B 40wt% IN METHANOL (1.79 M) TRIETHYLENE GLYCOL TETRAPHENYL-CYCLOPENTA-DIENONE DIPHENYL ACETYLENE HEXAPHENYL-BENZENE FORMULA EQUIV MW DENSITY VOLUME MASS Mmol MELTING POINT BOILING POINT
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Chapter 1 INTRODUCTION Background of the Study There are lots of herbal plants which are already known for its uses. Binayuyu (Antidesma ghaesembilla Gaertn var. ghaesembilla) is a herbal plant used by B’laan tribes in the southern part of the Philippines. It is said that it can cure stomach ache and helps to lower blood sugar. Artemia is a genus of aquatic crustaceans known as brine shrimp. Artemia‚ the only genus in the family Artemiidae‚ has changed little externally since the Triassic period
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contact (irritant)‚ of ingestion‚ of inhalation. Hazardous in case of skin contact (irritant‚ permeator). Inflammation of the eye is characterized by redness‚ watering‚ and itching Sodium Bicarbonate (NaHCO3) 84.007 50 Soluble in water‚ acetone‚ methanol. Insoluble in ethanol Slightly hazardous in case of skin contact (irritant)‚ of eye contact (irritant)‚ of ingestion‚ of inhalation. Sodium Sulfate (Na2SO4) 142.04 884 Soluble in water‚ glycerol‚ hydrogen iodide. Insoluble in ethanol Hazardous in
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Synthesis‚ Spectral‚ and Antibacterial Studies of Silver Nanoparticles and Silver(I) Complex of 2-Mercaptobenzothiazole Abstract : Microbes‚ such as bacteria‚ molds‚ yeasts‚ and viruses‚ in living environment are often pathogenic and cause severe infections in human beings. Therefore‚ there is a pressing need to search for new antimicrobial agents from natural and inorganic substances [1]. Antimicrobial nanoparticles mainly consist of metals‚ metal oxides‚ and many biologically derived materials
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CHAPTER 1 INTRODUCTION Power transformers are very important in the electrical power sector; they are among the expensive assets of power generation and distribution systems. . According to Piush Verma [16]‚ transformers are static electromagnetic devices consisting of two or more windings which are linked with a common magnetic field used for the distribution of electrical power from one voltage level to another. Some of the main parts of the transformer are; the windings‚ tank and insulation
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identifying the components in a mixture. There are different types of chromatography and each has its own strengths and weaknesses. In this experiment‚ pigments of the chili pepper were extracted with the use of hexane‚ hexane-DCM‚ DCM‚ and DCM with methanol; then‚ the extract was introduced into the column and eluate were collected‚ this process is the column chromatography (CC). The purity of the components was determined by using the thin layer chromatography (TLC). Ultraviolet spectroscopy and iodine
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The hypoglycaemic and antihyperglycaemic effects of methanol extract of the leaves of Cleome rutidosperma (Cr) DC (Family: Capparidaceae) was investigated in Wistar rats. Fifty normoglycaemic male rats (120g-200g) were divided into groups A (hypoglycaemic study; n=20) and B (antihyperglycaemic study; n=30). The studies had one control group and three groups administered with Cr (100‚ 200 or 400mg/kg) respectively. Group B had two additional groups of diabetic-untreated rats and glibenclamide-treated
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Lesson Plan Title: Factors that Affect Rate of Dissolving and Solubility Overview‚ Expectations and Rationale 1. Big Ideas: • Properties of solutions can be described qualitatively and quantitatively‚ and can be predicted 2. Ministry Expectations: Scientific Investigation Skills and Career Exploration A1.1 - formulate relevant scientific questions about observed relationships‚ ideas‚ problems‚ or issues‚ make informed predictions‚ and/or formulate educated hypotheses to focus inquiries
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called ethanol‚ ethyl alcohol‚ grain alcohol. Intoxicating liquor containing alcohol. Any of a series of hydroxyl compounds‚ the simplest of which are derived from saturated hydrocarbons‚ have the general formula CnH2n+1OH‚ and include ethanol and methanol. There are some uses of alcohol. The "alcohol" in alcoholic drinks is simply ethanol. As an
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°C for 2 h. The mixture was filtered and washed with methanol to give white solid (sodium 6-oxidonaphthalene-2-sulfonate). 1‚4-bis(bromomethyl)benzene‚ M5 (4.54 g‚ 17.2 mmol) and sodium 6-oxidonaphalene-2-sulfonate (0.84 g‚ 3.13 mmol) were dissolved in 30 ml of DMSO. The mixture was stirred at room temperature overnight. The mixture was poured into ice cold acetone with continuous stirring. The mixture was filtered and washed with DCM and methanol to yield the title compound as pale yellow solid. Yield
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