By observing the environment that surrounds us we can realize that there are countless substances, materials, objects and even living beings that are related to Chemistry.
The word ChemistryIt is not synonymous with bad or artificial, because since we wake up we are in contact with chemistry; for example the battery of the alarm clock, the soap, the shampoo, the deodorant, the hair gel, the perfume, the toothpaste, the material of the comb or the hairbrush, the Teflon of the pan that we use when preparing the breakfast, including the oil to fry some eggs, the match in the match with which we will light the gas in the stove, the natural and synthetic dyes that fill the objects that surround us and the clothes we wear with color, the technology equipment that makes that our work is more comfortable and pleasant, the care of our health, as well as sensations, feelings (such as love, fear, sadness, etc.) and diseases are the result of chemical reactions.
Relationship of chemistry with humans, technology and the environment.
Have you ever wondered what causes the smell of flowers or fruits? Why do fruits and vegetables have different colors and flavors? Or maybe on more than one occasion when going on a picnic you were amazed by the fire dance of a campfire . And perhaps you have not breathed with relief when in the bathroom the shampoo container has slipped from your hands and you realize that it is plastic and not glass.
Every day we make use of objects and substances either to clean the house, our body and even consume drinks and food or medicines, but how many times do we ask ourselves what are they made of? Or what substances do the products of Cleaning? What substances do the creams contain that help my skin look, free of impurities? People who have a car or who use any means of transport will ever wonder where does gasoline come from? Why is the oil used in engines different from the oil we use for cooking? , What is our cell phone made of? Or why don’t they use the same batteries as a radio? Why do some foods cause us discomfort and others not? How is it that our body assimilates the nutrients from food, or medications? And how many times have we asked why in the time of our grandparents there were not so many different products, how did they preserve food in the time of our grandparents?
Well, the answer to all these questions and many others that we have not formulated is in the chemical processes that are taking place at all times around us. These chemical changes nowadays have perfected and elaborated a great diversity of products of daily use such as soaps, detergents, oils, perfumes, medicines, fertilizers, synthetic fabrics, plastics, preservatives and flavorings, and petroleum derivatives, such as fuels, new materials for sports clothing and footwear, or for industrial use, which make our work, study, fun and rest activities more comfortable and easy to carry out.
With the passage of time, man has striven to obtain and develop better and new materials for the construction of houses, roads and bridges, tools, cars, machines, office furniture, school, home, and devices that allow him to live better. and more comfortably.
Why study chemistry?
Chemistry is fascinating to many people, learning about the world around us can lead to interesting and useful inventions and the development of new technologies. Chemistry is central to understanding many fields, for example agriculture, astronomy, geology, medicine, molecular biology, animal science, materials science, new fertilization methods, nuclear medicine and radioactive, the new sciences of genetics, even for those fields in which there is apparently no relation to chemistry, such as civil engineering, electrical engineering, mechanical engineering, industrial engineering, design and communication.
Although some young people do not plan to work in areas that are in direct contact with chemistry, indistinctly we all use chemistry in daily life to face our technological world.
Learning about the benefits and risks associated with chemicals helps us to be informed citizens capable of intelligently solving problems and communicating with others in an organized and logical way. These skills will serve young people not only in college but in pursuit of their career whatever it may be.
The nature of chemistry
If we look in books and even in the dictionary the definition of chemistry we will find the following: ” Chemistry is the science that is dedicated to the study of the composition, structure, properties and reactions of matter, especially atomic and molecular systems”; some will provide us with a simpler definition: ” Chemistry is the science that studies the composition of matter and the changes it experiences” or this other; ” Chemistry ; it is the science that studies the composition and properties of matter and its transformations with the intervention of energy “
But none of these definitions will give us a complete vision of what chemistry really is, because both chemistry and physics constitute a fundamental branch of knowledge because many of the processes that have to do with the transformation of matter are associated with both chemical as well as physical changes and vice versa, chemistry also has a close relationship with biology, not only because living organisms are made up of material substances, but also because life itself is, in essence, a complex system of interrelated chemical processes, without leaving to mention the processes that take place within our own organism, because at the beginning of this writing our sensations and feelings were mentioned,which occur due to the release of substances within our body that are nothing but the result of chemical reactions.
Chemistry engineering and industry
Engineering is considered as the area of human endeavor in charge of transforming scientific discoveries into apparatus, equipment, machines and devices, the development and projection of systems that improve industrial processes, although it does not necessarily imply that scientific advances are not made from the beginning. engineering, it is currently known that any scientific advance is multidisciplinary in nature.
As mentioned, many of the aspects of our life have to do with chemical reactions, which allow new materials with specific characteristics every time, however chemists are not in charge of taking advantage of the properties of the materials, this is what commissioned by engineers, who, as the word says, “with their ingenuity” make the most of the properties and characteristics of a particular material.
The academic training of an engineer must be comprehensive, that is, he must have a basic knowledge of the exact sciences, among which is of course Chemistry, Physics and Mathematics, so that he can understand the changes that occur in the nature as in industrial processes. These insights provide you with the tools to optimize processes, explain chemical and physical changes, create and optimize devices for the benefit of man and society.
As an example we can mention the relationship of engineering with chemistry; To mention a few we have Chemical Engineering ; is one of the most challenging and rewarding careers it serves as the foundation for the steel, oil, food and electronics industries and fuels a country’s economy. The training of a chemical engineer is strongly based on chemistry, physics and mathematics and computer science, notions of economics and knowledge of environmental education
Chemical Engineering is the branch of Engineering that is dedicated to the study, synthesis, development, design, operation and optimization of all those industrial processes that produce physical, chemical and / or biochemical changes in materials.
Civil engineering for which one of the main areas of development is the construction industry; where it is essential to use cements and concretes that are fast setting, waterproof and that inhibit the growth of bacteria. The differences in the physical and chemical properties of these concretes and cements depend mainly on their chemical composition.
Also in the construction area it is important to know the corrosion resistance of metallic structures, which are nothing other than electrochemical reactions.
The mechanical engineering , is responsible for designing, installing and operating mechanical elements used in the processing industry, so it must have knowledge of the physical and chemical properties of the materials which depend on their chemical composition, on the other On the other hand, mechanical engineers also design and build equipment and devices for bioengineering and the use of biomaterials, it is also related to the mining, steel, oil and chemical industries, so a mechanical engineer must have basic knowledge of the concepts used in Chemistry .
The Mining and Metallurgy Engineer is responsible for the optimal use of mineral resources, so he must have knowledge of chemical analyzes, which are often performed in the field, to be able to interpret results of acidity, carbonate content, sulfate, behavior to the flame of certain minerals.
The results of the chemical analyzes carried out in a formal laboratory allow the engineer to decide whether the exploitation of the mineral is profitable or the best extraction method.
The main activity of a Petroleum Engineer is the direction and execution of the extraction processes of petroleum (hydrocarbons) from water and geothermal energy. When you have the location of an oil reservoir, an analysis must be done to decide the best extraction method, and during the process make an analysis (continuous monitoring) to determine the composition (physical and chemical characteristics) of the mixture.
I could go on to mention other areas of engineering that are related to chemistry, which are many, but it is also fair to mention that Chemistry without engineering cannot be conceived either, because it is thanks to engineering that equipment has been developed that They allow better and more complete analysis and knowledge of the molecular structures of new materials to be carried out. Without the use of computing, devices for measuring or communicating discoveries and advances in the application of chemistry could not be developed.
To summarize, Chemistry and its relationship with other exact sciences such as Physics, Biology, and Mathematics, as well as engineering are not the only ones with which it is related, we must also mention that sciences such as Archeology, History, Literature, culture and leisure, among others, has a great field of development and application of chemistry, which provides man with improving his quality of life and making it more comfortable.