IGBO ~ Ejike Eze ~ INTRODUCTION Igbo is one of the three major languages of Nigeria‚ the others being Yoruba and Hausa. Native speakers of Igbo‚ estimated to be between 25 and 30 million people‚ reside predominantly in five Eastern states of Nigeria‚ namely Abia‚ Anambra‚ Ebonyi‚ Enugu and Imo. These states are collectively referred to as Alaigbo (Igboland). Native speakers of Igbo are also minorities in two other Eastern States‚ namely Delta and Rivers. The language is also spoken as a second
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white powder Mixture at room temp White cloudy liquid Mixture in ice bath White particles settled at the bottom of cloudy white liquid Suction Filtration Filtrate White powdery crystals Residue Clear yellowish liquid Crude Aspirin White powdery crystals Table 3. Recrystallization of Aspirin. Description Crude aspirin + EtOH Clear colorless liquid with undissolved white solids Mixture during heating Powdery white solids dissolve in clear colorless liquid Mixture after heating
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amino acids‚ but there are 20 most commonly know amino acids. Amino acids are the fundamenta building blocks of other biomolecules like proteins and ezymes (Davidson‚ 2015). This experiment examined a mixture of 3 amino acids. The purpose of this experiment was to identify amino acids in a mixture through cation exchange chromatography and thin layer chromatography. This was done by examining the amino acids elution order from a cation exchange resin based on their isoelectric points and their different
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and stir until the mixture is smooth and clear (if the mixture is not turning smooth and clear‚ microwave it for an additional 15 to 20 seconds on high and stir again) * Sift 1 1/2 pounds of the sugar into a large bowl * Make a hole in the sugar and pour the liquid mixture to it * Stir with a wooden spoon until the mixture becomes sticky * Sift some of the remaining 1/2 pound of sugar onto a smooth work surface and add as much of the remaining sugar as the mixture will take * Knead
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Introduction Chromatography is a technique used to separate a mixture into its individual components. In this experiment‚ chromatography is done by using a thin layer chromatography (TLC) plate and filter paper. The word ‘chromatography’ itself means the separation of colours. However‚ nowadays‚ both coloured and colourless compound are used in chromatography by various methods. In chromatography‚ the separation process of mixture is mainly based upon the polarity and molecular weight of sample
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was the liquid mixture with a constant boiling point. After obtaining pure eugenol‚ the percent recovery was calculated and an IR spectroscopy was performed.
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exactly all the available oxygen is used to burn the fuel completely or at least to the best possible value. This ratio is called the stoichiometric air-fuel ratio. Theoretically‚ this ratio exist only for a stoichiometric mixture‚ which is an ideal mixture. In practice this mixture has never been formed for any machine so far. However‚ air-fuel ratios close to it can be achieved by modifying engine design and making use of proper admixtures and catalysts to keep a check on the pressure and temperature
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produce a concrete mixture based on the BRE Manual Design of concrete mixtures which is attached to this report. It is then used to produce concrete cubes and prisms. The objective of this experiment is to learn the methods of producing concrete and concrete characteristics as well as comparing the theoretical values of the concrete’s Young’s Modulus with experimental values. Procedure for concrete mix: A concrete mix was designed based on the BRE Manual Design of concrete mixtures. Then‚ a total
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benzoin through the condensation of benzaldehyde and thiamine being used as a catalyst. In the second step of the reaction‚ benzoin is oxidized to benzil; nitric acid is used as the oxidizing agent in this step. In the last step of the reaction‚ a mixture of benzil and 1‚3-diphenylacetone undergo a double aldol condensation reaction then a dehydration reaction in order to form tetraphenycyclopentadienone. Experimental: Materials * Thermometer * Round bottom flask (RBF) * Reflux condenser
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experiment‚ the distillations of cyclohexane and toluene mixture were carried out. The purpose of this experiment is to compare the efficiency of simple distillation versus fractional distillation for separation of a mixture of toluene and cyclohexane. The mixture was first separated using simple distillation. A simple distillation apparatus was set up and a Thermowell heater containing sand will also be used as the heat source. The mixture will be slowly heated and condensed. The temperature as
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