Sustainable Chemistry Terry Collins* Chemistry has an important role to play in achieving a sustainable civilization on Earth. The present economy remains utterly dependent on a massive inward flow of natural resources that includes vast amounts of nonrenewables. This is followed by a reverse flow of economically spent matter back to the ecosphere. Chemical sustainability problems are determined largely by these economy-ecosphere materials flows (see the figure‚ below)‚ which current chemistry education
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Everything you need to know about hydrocarbons INTRODUCTION: organic chemistry Organic chemistry is the chemistry of compounds that contain carbon and hydrogen. The element carbon has a special role in chemistry because it bonds with other carbon atoms to give a vast array of molecules. The varity of molecules is so great that we find organic compounds in many common products we use‚ such as gasoline‚ medicines‚ shampoos‚ plastic bottles‚ and perfumes. The food we eat is composed of different
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How has the study of chemistry affected the lives of ordinary people? Every single day‚ without even realising it‚ we use so many things that are brought to us by the discoveries and advances in chemistry. Many of these things we take for granted‚ and don’t even bother to question how it got there‚ why it is there‚ and how it works. Chemistry makes up everything in our lives‚ from the air that we breathe‚ to the plastic on the keyboard I’m typing on now‚ and a in depth study of some of the wonderful
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Chemistry GENERAL CHEMISTRY: Atomic Structure and elementary quantum mechanics: Blackbody radiation‚ Planck’s radiation law‚ photoelectric effect‚ Compton Effect‚ de Broglie’s hypothesis‚ Heisenberg’s uncertainty principle. Postulates of quantum mechanics‚ Schrodinger wave equation and a particle in a box‚ energy levels‚ wave functions and probability densities‚ Schrodinger wave equation for H-atom‚ Separation of variables‚ Radial and angular functions‚ hydrogen like wave functions‚ quantum numbers
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CH 222 ANALYTICAL CHEMISTRY I SYLLABUS COURSE OUTLINE: a. Introduction (1.5 hours) Classification of types of analysis‚ role and importance of analytical chemistry in various aspects of life. b. Steps in a typical quantitative analysis (10 hours) Emphasis on sampling protocol‚ sample preparation‚ wet chemistry methods‚ statistical evaluation of data. c. Review of concepts of stoichiometry (2 hours) Mole concept‚ concentrations‚ dilution and aliquots d. Review of concepts of equilibria
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Last week‚ I noticed that my son had a bad cold. I took him to the pediatrician‚ and she told me he had an infection. Then she gave me a prescription for antibiotics. After two days‚ my son was happy and healthy thanks to this important medicine. Every day doctors prescribe antibiotics to help thousands of patients around the world fight infections. I do not like to think about what might happen if we did not have antibiotics. Antibiotics are one of the greatest medical inventions in human
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Introduction Medicine has come a long way. The history of medicine‚ shows how societies have changed their approach to illness and disease from ancient times to the present. Early medical practices and texts include those of Egypt‚ Babylon‚ India‚ and China. The Greeks introduced the concepts of advanced medical ethics. The Hippocratic Oath was written in Greece in the 5th century BCE‚ and is a direct inspiration for oaths of office that physicians swear upon entry into the profession today. Egypt
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Factors Affecting Physician’s Behavior to Prescribe Generic Medicines in Pharmaceutical sector in egypt By Mohamed Helal Al-Siufy Supervised by Dr. Ramy William This paper was submitted in partial fulfillment of the requirements for the degree of MASTER OF BUSINESS ADMINISTRATION (MBA) At Victoria School of Management Switzerland March 2014 CHAPTER 1 INTRODUCTION 1.1 OVERVIEW Researchers argue that generics became widely prescribed by physicians especially since
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Complementary medicine treatments have increased in the last years as an alternative way to treat some illnesses due to the fear that people feel with mainstream medicine and its consequences. But has this kind of medicine the power to cure all diseases like cancer or AIDS? We find some advantages that make us trust in alternative medicine. Firstly‚ herbal medicine brings us a lot of benefits for our helth. For instance‚ there are some researches that show marijuana infusion is very good for cancer
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Alternative medicine‚ also known as a holistic approach‚ has been around since ancient times. It has a longer history of healing than many of the traditional medicines commonly prescribed and available today. Being dominated by pharmaceutical creations in the last century‚ alternative medicine is making a fast comeback these days. People are becoming increasingly aware of medical practices from different cultures. Many are frustrated with the damage that conventional medicine can do‚ its severe side
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