The gifts of chemistry are a boon to mankind. Its applications in home and industry are many. Right from purified drinking water and motor car to cane sugar and mobile phone‚ all these have been made possible only through processes in chemistry at some stage or other of production. New discoveries‚ processes‚ and products are an integral part of this fascinating discipline. It offers a fertile ground for those endowed with intellectual curiosity and a passion for scientific research. you must
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relationship is _____________________ proportional. Initially‚ there is 275mL 0.125M stock solution of a substance. -Determine the amount of moles of solute present. -What is the concentration after a dilution when the final volume is 2.50L. Box 2 Instead of completing 2 calculations for each time a dilution is calculated‚ scientists use the _________________________________________. _______________________=______________________ Double check the formula using the previous problem. -Initially‚ there is 275mL
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1. “The energy for life comes from the sun.” Outline the role of the photosynthesis process to explain what is meant by this statement. (3 marks) chlorophyll 6CO2(g) + 6H2O(l) + energy C6 H12 O6 (aq) + 6O2(g) 2830 kJ glucose Photosynthesis is the process in which plants use the sun’s light energy to convert carbon dioxide and water into carbohydrates such as glucose‚ sucrose‚ starch and cellulose. Carbohydrates are high energy
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Chemistry of Fireworks By Anuradha Sahu Everyone enjoys the amazing firework shows on the Fourth of July with the beautiful vibrant colors and sparks every year. Fireworks have been part of this world for a very long time. They have been used for enjoyment and for signalling purposes. Every culture has their own significance and use of fireworks. But all fireworks have something in common; the chemistry that makes them work. No matter where you find them‚ they are made up of the same compounds
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reactants used and the amounts of products formed in a chemical reaction”. Basically‚ Stoichiometry is the science of counting and studying the relationship between the amounts of the reactants to the product. To think of stoichiometry outside of chemistry‚ imagine a bookshelf. To assemble the bookshelf you may need 3 planks of wood‚ 1 giant plank of wood‚ and 20 nails. Even though the amount of the reactants is high‚ the product would be only one bookshelf. Stoichiometry is basically studying the
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CHEMISTRY OF LAETRILE ( AMYGDALIN / VITAMIN B17) AUTHORS: Audrey De Jesus Rowie Joy Pilapil Shariel Eunice Juanillas Polytechnic University of the Philippines College of Science Department of Nutrition and Dietetics Sta. Mesa‚ Manila ABSTRACT Vitamin B-17‚ commonly known as "Amygdalin”‚ is a plant substance found naturally in raw nuts and the pips of many fruits‚ particularly apricot pips‚ or kernels. It is also present in plants such as lima beans‚ clover and sorghum. Laetrile‚ on the other
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Presence of oxalate ions in Guava Chemistry Investigatory Project Published by M.A.EBENEZER A chemistry investigatory project on the presence of oxalate ions in guava with all the required sample readings and observations‚ graphic customized and ready to print.( Though you will need to change the credentials.) See More INTRODUCTION Guavas are plants in the Myrtle family (Myrtaceae) genusPsidium (meaning "pomegranate" in Latin)‚ whichcontains about 100 species of tropical shrub
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The Chemistry of Fragrances From Perfumer to Consumer 2nd Edition RSC Popular Science Titles The RSC publishes series of inexpensive texts suitable for teachers and students which give a clear‚ readable introduction to selected topics in chemistry. They should also appeal to the general chemist. For further information on all available titles contact: Sales and Customer Care Department‚ Royal Society of Chemistry‚ Thomas Graham House‚ Science Park‚ Milton Road‚ Cambridge CB4 0WF‚ UK
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Food Chemistry Food Chemistry 95 (2006) 180–185 www.elsevier.com/locate/foodchem Antioxidant activity and hepatoprotective potential of Phyllanthus niruri R. Harish‚ T. Shivanandappa * Department of Food Protectants and Infestation Control‚ Central Food Technological Research Institute‚ Mysore 570 020‚ India Received 5 April 2004; received in revised form 25 November 2004; accepted 25 November 2004 Abstract Antioxidant activity and hepatoprotective potential of Phyllanthus niruri
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SnO2 + __ H2 → __ Sn + __ H2O Question 2 __ KOH + __ H3PO4 → __ K3PO4 + __ H2O Question 3 __ KNO3 + __ H2CO3 → __ K2CO3 + __ HNO3 Question 4 __ Na3PO4 + __ HCl → __ NaCl + __ H3PO4 Question 5 __ TiCl4 + __ H2O → __ TiO2 + __ HCl Question 6 __ C2H6O + __ O2 → __ CO2 + __ H2O Question 7 __ Fe + __ HC2H3O2 → __ Fe(C2H3O2)3 + __ H2 Question 8 __ NH3 + __ O2 → __ NO + __ H2O Question 9 __ B2Br6 + __ HNO3 → __ B(NO3)3 + __ HBr Question 10 __ NH4OH + __ Kal(SO4)2·12H2O → __ Al(OH)3 + __ (NH4)2SO4 + __
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