A MÚSICA COMO LINGUAGEM NO PROCESSO DE ALFABETIZAÇÃO CIENTÍFICA NAS AULAS DE QUÍMICA. Entre as ciências, a Química destaca-se devido às várias possibilidades de se abordar cada tópico, partindo de um

La química es la ciencia que describe todo lo que existe. A lo largo de veinte capítulos cautivadores, con un tono ameno y divertido, Héctor Busto desglosa las particularidades de la química y todas las formas en que interviene en nuestras vidas sin que reparemos mucho en ello, desde su aplicacion en medicina hasta la fabricacion de cualquier producto, ya sea en la industria alimentaria o la construccion de un rascacielos, la invencion de un color o la reproduccion de un aroma. Y aunque parece que tenga algo de magia, la quimica consiste en comprender (y transformar) la materia que nos rodea.

El libro consta de 200 problemas de determinación estructural de compuestos orgánicos mediante técnicas espectroscópicas. Cada problema incluye el espectro infrarrojo y los espectros de resonancia magnetica nuclear de 1H y 13C de un compuesto organico problema de tal manera que la utilizacion conjunta de ambas tecnicas, junto con el dato de la formula molecular, permita al estudiante una determinacion logica y razonada de la estructura del compuesto organico. Con la finalidad de mostrar al estudiante el camino a seguir, se dan las soluciones razonadas de los cincuenta primeros problemas. Las soluciones de los 150 problemas restantes se pueden obtener solicitandolas a los autores.Los espectros presentados fueron obtenidos a partir de muestras reales en las condiciones indicadas en cada caso. Todos los espectros de RMN de 1H fueron obtenidos a 300 MHz y los de 13C a 75 MHz en un espectrometro Bruker Avance 300. Los espectros IR fueron registrados en un espectrometro Nicolet Avatar 320 FTIR.

When was radium discovered? Who are Dmitri Mendeleev and Glenn T. Seaborg? Who discovered uraniums radioactivity? Which element is useful for dating the age of Earth? And why doesnt gold have a scientific name? 30-Second Elements presents you with the very foundations of chemical knowledge, explaining concisely the 50 most significant chemical elements. This book uses helpful glossaries and tables to fast track your knowledge of the other 68 elements and the relationships between all of them.

¿Cómo funciona un chip de silicio? ¿Cómo podemos aprovechar los productos naturales para combatis enfermedades humanas? ¿Es posible crear músculos artificiales? Este libro, que ofrece respuestas a estas y muchas otras cuestiones, es una atractiva guia sobre el mundo de la quimica. Desde las moleculas que generaron las primeras formas de vida hasta la nanotecnologia, la quimica proporciona fascinantes sobre nuestros origenes, mientras continua revolucionando la vida que conocemos.En cincuenta breves capitulos, esta obra lo trata todo, desde los argumentos de los pensadores clave hasta los ultimos metodos de investigacion, y se vale de ilustracion y graficos temporales para situar cada teoria en su contexto y poder mostrarte todo lo que necesitas saber sobre las ideas mas importantes en este campo.

Quanto mais pesado for um elemento químico mais escasso e instável tende a ser, mas certos elementos pesados se destacam em abundancia e estabilidade sobre a maioria, como o ferro, e que são mais abu

In "A New Century of Inventions," James White presents a fascinating exploration of technological advancements that shaped the 20th century. The book intricately weaves together historical narrative and thematic analysis, delving into the impact of innovations on society and culture. White employs a rich literary style, blending descriptive prose with analytical insights, allowing readers to appreciate not only the inventions themselves but also the social contexts from which they arose. This work serves as both a documentary and a critical examination of the transformative power of innovation in a rapidly changing world. James White, a noted historian and technology enthusiast, draws from his extensive background in both engineering and literature to illuminate the intricate relationship between invention and its wider implications. His passion for understanding the crossroads of science and society is evident in the meticulous research and accessible language found throughout this work. Having witnessed the explosive growth of technology during his lifetime, particularly in the realms of computing and communications, Whites perspective is both timely and profound. This book is a must-read for anyone intrigued by the evolution of technology and its implications for the human experience. Whites engaging narrative style invites readers to reflect on the past while considering contemporary and future innovations. "A New Century of Inventions" not only educates but also inspires a deeper appreciation for the relentless march of progress.

A Text-book of Paper-making presents a comprehensive exploration of the intricate craft that has been integral to human communication for centuries. This anthology offers an unparalleled examination of the multifaceted processes of paper production, from the historical evolution of methods and materials to the innovations shaping the future of the industry. Delving into both time-honored and contemporary techniques, the collection presents a range of essays, meticulous technical discussions, and captivating historical narratives, showcasing the diversity and depth of understanding in the realm of paper-making. The editors, E. J. Bevan and C. F. Cross, are prominent figures in the field, bringing together their expertise to curate a rich tapestry of insights and scholarly reflections. The contributing authors, drawn from both industrial and academic settings, are pioneers whose combined experiences offer a profound look into the paper-making world. This anthology reflects significant industrial revolutions and cultural shifts, encapsulating the transformative power of paper over various epochs. Together, these varied voices explore not only the technical nuances of the discipline but also its broader cultural and economic implications. This volume is an indispensable resource for those intrigued by the art and science of paper-making, offering readers an opportunity to traverse a vast landscape of knowledge and expertise. More than just a technical manual, it serves as an intellectual journey through history and innovation. With its extensive contributions spanning diverse perspectives and eras, A Text-book of Paper-making inspires a dialogue on the enduring relevance and evolution of this essential craft, making it a must-read for enthusiasts, scholars, and practitioners alike.

Este Livro é um relato de experiência no Ensino de Química em que, além do trabalho protagonista juvenil em apresentações e pesquisas referentes à química orgânica, já no primeiro ano de ensino médio

O campo de aplicação de adesivos se estende, desde o simples curativo até a tecnologia médica sofisticada, desde a sola de sapato até a estrutura sandwich na construção aeroespacial. A maioria das co

Este manual ofrece métodos sencillos y efectivos para preparar biocidas naturales que protegen los libros y materiales de biblioteca de las plagas sin dañar el ambiente o la salud de los bibliotecarios. Con recetas faciles de seguir, este libro es una herramienta indispensable para aquellos que buscan alternativas ecologicas y sostenibles en el control de insectos.

El presente libro tiene como objetivo brindar las herramientas básicas para poder comprender la química y el comportamiento del agua para elaborar cerveza. Un recorrido por los fundamentos químicos mas relevantes.El concepto de pH, su importancia en todas las etapas de elaboracion, y su relacion con los conceptos de alcalinidad total y alcalinidad residual. Se profundiza sobre la articulacion entre dichos conceptos fundamentales, en conjunto con el aporte de los iones minerales, las maltas, y los acidos que normalmente se emplean para el ajuste.Comprender dicha interrelacion es clave para poder encarar protocolos de ajuste del agua a consciencia. Se analizan, incluyendo ejemplos, los calculos para el ajuste con sales, y los fundamentos para la eleccion de las sales correctas.Finalmente, se presenta un capitulo acerca del ajuste del agua de lavado de granos, una metodologia para el calculo de la acidificacion y un nomograma que permite una estimacion de la cantidad de agua a utilizar.

In "An Introductory Course of Quantitative Chemical Analysis," Henry Paul Talbot provides a comprehensive foundation in the principles of quantitative analytical chemistry. The text is characterized by its methodical approach and clarity, utilizing a blend of theoretical exposition and practical applications that caters to both novices and experienced practitioners. Rich with illustrative examples, the book navigates complex topics such as statistical methods, error analysis, and various analytical techniques, situating them within the broader context of chemical education in the early 20th century. Henry Paul Talbot, a noted chemist and educator, was deeply influenced by the scientific advancements of his time. His academic background and hands-on experience in laboratory settings equipped him to craft a didactic yet engaging text, reflecting a commitment to enhancing students understanding of quantitative analysis. Talbots work embodies his belief that a strong analytical foundation is crucial within the ever-evolving landscape of chemistry, which was rapidly advancing during his career. This book is an invaluable resource for students, educators, and practicing chemists seeking a solid grounding in quantitative methods. Talbots rigorous yet accessible writing style not only fosters comprehension but also inspires a deeper appreciation for the discipline. I highly recommend this text for anyone looking to elevate their chemical analytical skills.In this enriched edition, we have carefully created added value for your reading experience:- Handpicked Memorable Quotes shine a spotlight on moments of literary brilliance.- Interactive footnotes clarify unusual references, historical allusions, and archaic phrases for an effortless, more informed read.

Este libro es un texto práctico de análisis instrumental (o, como preferimos llamarlo, de Análisis químico e instrumental moderno) para estudiantes universitarios. Se supone que éstos conocen ya los fundamentos de la Volumetria y la Estequiometria y el modo de manejar el material volumetrico y la balanza analitica. Generalmente, estas materias se aprenden ya en el primer curso de carrera.

This eBook brings together all the disciplines involved in the creation and use of corrosion protection coatings for metals. It presents the latest insights into the quality and chemistry of surfaces, the proper way to prepare them by conversion treatment, the function of resins and anticorrosion pigments in paints, and novel concepts in corrosion protection. As an added bonus, all the standards and directives mentioned in the text are grouped together in their own chapter for a better overview.

El objetivo de esta antología es mostrar qué es la química, qué investigan quienes se dedican a ella, cómo se hace y qué procesos involucra, alentando la capacidad de asombro y la curiosidad en nuestros lectores, jovenes y profesores de bachillerato. Ofrecemos aqui una seleccion enriquecida de lecturas que contribuiran a la formacion de los alumnos que cursan la materia de quimica. A las sustancias y materiales, teoria e historia de la quimica, su influencia en el medio ambiente y los avances de la bioquimica temas de nuestra primera edicion, se añaden ahora semblanzas de reconocidos quimicos como Lavoisier, Mendeleiev y Pasteur, asi como temas tan relevantes como el descubrimiento del ADN, el papel de las moleculas y las hormonas en la obesidad, las endorfinas, los enemigos de las vacunas y las drogas sinteticas, entre otros. Ademas, entrevistas con quimicos universitarios como Plinio Sosa, Ana Maria Martinez Vazquez y Agustin Lopez Munguia.

Alicíclicos: Conceito, Classificação, Nomenclatura, Estrutura, Conformação, Estabilidade e Reações.

Química orgânica: carbono, dienos e aromáticos. O átomo de carbono e as cadeias carbônicas. A Química Orgânica. Classificação do átomo de carbono. Hibridação do carbono. Dienos. Aromáticos.

Reações orgânicas: alcanos; haletos; alcenos; alcinos; oxidação de HC, aldeídos e cetonas; álcoois; ácidos carboxílicos; ésteres: saponificação; éteres: reações com ácidos.

Química Orgânica: terpenos e rotas de síntese. Terpenos: utilidade, classificação, biossíntese, nomes, funções, reações. Rotas de síntese: síntese do ácido acetilsalicílico.