favorite candies? Chromatography can solve that for you. Chromatography is a separation technique used by scientists for separating both organic and inorganic compounds. There are four different types of chromatography: thin layer‚ liquid‚ gas‚ and paper‚ but for this lab paper chromatography will be used. Who invented chromatography? A Russian botanist named Mikhail Semyonovich Tsvet invented chromatography in 1901 while doing research on plant pigments. Why is chromatography so important? This
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Global Gas and Oil Drill Bits Industry 2015 Market Research Report Released On 14th September 2015 The Global Gas and Oil Drill Bits Industry 2015 Market Research Report is a professional and in-depth study on the current state of the Gas and Oil Drill Bits industry. The report provides a basic overview of the industry including definitions‚ classifications‚ applications and industry chain structure.The Gas and Oil Drill Bits market analysis is provided for the international markets including development
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Questions: 1. One mole of a compound A‚ with vapor pressure 400mmHg at 50oC‚ mixed with 3 moles of compound B‚ with vapor pressure 480mmHg at 50oC to form a homogeneous solution. What is the vapor pressure of mixture at 50oC? XA =moles of A\total No. of moles XA =1\4 XB=3\4 Ptotal=PAoXA+PBoXB =400*1\4 + 480*3\4 = 460mmHg 2. Why should a distilling flask be filled not less than 1\3 filled or more than 2\3 full? This is to allow the liquid being heated room to expand as it turns
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Cubism What is Cubism? Cubism is a revolution in the artist’s approach to space‚ both in the flat surface of the picture and in sculpture. In this essay the things that will be discussed are two different styles of Cubism‚ which are Analytic and Synthetic Cubism. Also the artists who invented Cubism and those artists are Pablo Picasso and Georges Braque. Analytic Cubism fragmented objects into abstract geometric forms. Good examples of Analytic Cubism are Braque’s‚ Violin and Picher and Picasso’s
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I. Introduction Fractional distillation is the separation of a mixture into its fractional parts that entails many concurrent vaporization-condensation cycles. This works because of different boiling points of individual substances. The temperature of the fractional distillation column decreases as its length increases. A higher boiling point component condenses on the column and returns to the solution whereas the lower boiling point component passes through the column and is collected in a receiver
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people at his work. Fast forward six months later and he is hardly recognizable as the man he has always been. The effects of synthetic drugs are non-forgiving‚ robbing it’s users of any type of quality in life. What starts out as a cool high‚ turns to addiction‚ when it is time to quit the real problems start. Forty-six days clean‚ and yet the effects of synthetic marijuana are still felt. Here he stands thirty pounds less with no appetite ever‚ it seems. His mind has times of feeling fuzzy
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Synthetic Fibers Industry Synthetic fibers are the result of extensive research by scientists to improve on naturally occurring animal and plant fibers. In general‚ syntheticfibers are created by forcing‚ usually through extrusion‚ fiber forming materials through holes (called spinnerets) into the air‚ forming a thread. Before synthetic fibers were developed‚ artificially manufactured fibers were made from cellulose‚ which comes from plants. These fibers are called cellulose fibers. Raw materials:
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the artificial surfaces. Astroturf is a brand of artificial turf or synthetic grass was developed by the Monsanto Industries in the 1960’s. The Ford foundation was studying ways to improve the physical fitness of young people at the time. Monsanto’s Chemstrand division was urged by the Ford foundation to make the perfect sports surface for schools. In 1964 the Creative Products Group installed the first large-scale synthetic turf called Chemgrass at the Moses Brown School in Providence Rhode Island
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the first step‚ the mixture of water‚ concentrated sulphuric acid‚ and cyclohexene was shaken vigorously until it became a homogenous solution. Followed by‚ the addition of water‚ and the distillation process lead to the hydrolysis of the alkene. Finally‚ addition of diethyl ether to the mixture then distillation took place to be purified and to obtain the final product‚ cyclohexanol (McFadden‚ 2012). Diethyl ether was used to extract alcohol from salt-water mixture because diethyl ethers solubility
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Experiment 5 Title : Thin Layer Chromatography Objectives: i. To distinguish polar and non-polar solvents. ii. To familiar with the analysis technique by using the thin layer chromatography. iii. To differentiate the retention factor‚ Rf for different compounds. [pic] Result: |Compound |Distance traveled by the compound | |o-nitroanaline |2.45
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