lab 4 report - Lab 4: Green Chemistry Annelise McGoff Nick...

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Lab 4: Green Chemistry Annelise McGoff Nick Lannen and Sarah Daniels Dr. Davis LB 171L, Section 1 10/11/10 Introduction
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Green chemistry is also known as sustainable chemistry and seeks to reduce the use of hazardous material through the creation and use of synthetic chemicals. This is different from environmental chemistry because green chemistry seeks to reduce and prevent pollution at its source. Green chemistry is growing in popularity and practical use and has the ability to change all areas of chemistry into a safe enterprise. In this experiment the mass and mole relationships of reactants and products in a chemical reaction was used as well as communication with other students both orally and through writing. This experiment was designed following green chemistry principles. All the solid waste is to be reused next semester and the gases that are released are not harmful to the environment. In this lab a mixture of sodium carbonate and sodium bicarbonate is analyzed to determine the composition. This done with the balanced chemical equation Na2CO3 + 2NaHCO3 2Na2CO3 + H2O + CO2. Green chemistry has twelve principles but in this experiment only three were used. Prevention was the first principle used and is very important to the green chemistry since it is one the distinguishing feature that separates green chemistry from environmental chemistry. Often the current method of cleanup of hazardous waste includes either diluting it and then releasing them back into the environment or storing it indefinitely in a container. This often fails because of spills and the long-term buildup of the toxic materials. Green chemistry promotes prevention as an easier and cheaper way to take care of chemicals. If hazardous waste was never created then it would never have to be stored, treated or otherwise dealt with. Green chemists consider all the alternatives and the long term effects of each alternative before selecting
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This note was uploaded on 02/03/2011 for the course CHEM 171L taught by Professor Davis during the Fall '10 term at Michigan State University.

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lab 4 report - Lab 4: Green Chemistry Annelise McGoff Nick...

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