Physical and Chemical Changes (ENHANCED eBook)

Physical and Chemical Changes (ENHANCED eBook)
Author: Edward P. Ortleb
Publisher: Lorenz Educational Press
Total Pages: 36
Release: 1993-09-01
Genre: Science
ISBN: 1429110856

This book presents a program of basic studies in physical and chemical changes of matter. The definition of matter is presented along with explanations of states and properties of matter. Topics include atoms, molecules, elements, compounds, mixtures, solutions, symbols, and formulas. Each of the twelve teaching units in this book is introduced by a color transparency (print books) or PowerPoint slide (eBooks) that emphasizes the basic concept of the unit and presents questions for discussion. Reproducible student pages provide reinforcement and follow-up activities. The teaching guide offers descriptions of the basic concepts to be presented, background information, suggestions for enrichment activities, and a complete answer key.

Chemical Changes During Processing and Storage of Foods

Chemical Changes During Processing and Storage of Foods
Author: Delia B. Rodriguez-Amaya
Publisher: Academic Press
Total Pages: 721
Release: 2020-11-25
Genre: Technology & Engineering
ISBN: 0128173815

Chemical Changes During Processing and Storage of Foods: Implications for Food Quality and Human Health presents a comprehensive and updated discussion of the major chemical changes occurring in foods during processing and storage, the mechanisms and influencing factors involved, and their effects on food quality, shelf-life, food safety, and health. Food components undergo chemical reactions and interactions that produce both positive and negative consequences. This book brings together classical and recent knowledge to deliver a deeper understanding of this topic so that desirable alterations can be enhanced and undesirable changes avoided or reduced. Chemical Changes During Processing and Storage of Foods provides researchers in the fields of food science, nutrition, public health, medical sciences, food security, biochemistry, pharmacy, chemistry, chemical engineering, and agronomy with a strong knowledge to support their endeavors to improve the food we consume. It will also benefit undergraduate and graduate students working on a variety of disciplines in food chemistry - Offers a comprehensive overview of the major chemical changes that occur in foods at the molecular level and discusses the positive and negative effects on food quality and human health - Describes the mechanisms of these chemical changes and the factors that impede or accelerate their occurrence - Helps to solve daily industry problems such as loss of color and nutritional quality, alteration of texture, flavor deterioration or development of off-flavor, loss of nutrients and bioactive compounds or lowering of their bioefficacy, and possible formation of toxic compounds

Let's Investigate! Hands-On Science - Grades 5-6 (ENHANCED eBook)

Let's Investigate! Hands-On Science - Grades 5-6 (ENHANCED eBook)
Author: Vicky Shiotsu
Publisher: Lorenz Educational Press
Total Pages: 68
Release: 2004-09-01
Genre: Science
ISBN: 1429110163

Help students explore the wonders of science with the mind-stretching activities in this series. Each book includes a number of special features, with fun, easy-to-prepare activities that cover topics from the three main branches of science: physical science, earth science, and life science. Clear, step-by-step instructions foster independent learning; guided questions help develop observation and critical thinking skills; fascinating facts and extension activities enrich learning. In addition, background information and teaching tips are provided in the Activity Guide at the back of the book to help you maximize students' understanding of scientific concepts.

Beyond the Molecular Frontier

Beyond the Molecular Frontier
Author: National Research Council
Publisher: National Academies Press
Total Pages: 238
Release: 2003-03-19
Genre: Science
ISBN: 0309168392

Chemistry and chemical engineering have changed significantly in the last decade. They have broadened their scopeâ€"into biology, nanotechnology, materials science, computation, and advanced methods of process systems engineering and controlâ€"so much that the programs in most chemistry and chemical engineering departments now barely resemble the classical notion of chemistry. Beyond the Molecular Frontier brings together research, discovery, and invention across the entire spectrum of the chemical sciencesâ€"from fundamental, molecular-level chemistry to large-scale chemical processing technology. This reflects the way the field has evolved, the synergy at universities between research and education in chemistry and chemical engineering, and the way chemists and chemical engineers work together in industry. The astonishing developments in science and engineering during the 20th century have made it possible to dream of new goals that might previously have been considered unthinkable. This book identifies the key opportunities and challenges for the chemical sciences, from basic research to societal needs and from terrorism defense to environmental protection, and it looks at the ways in which chemists and chemical engineers can work together to contribute to an improved future.

Chemical Deterioration and Physical Instability of Food and Beverages

Chemical Deterioration and Physical Instability of Food and Beverages
Author: Leif H Skibsted
Publisher: Elsevier
Total Pages: 820
Release: 2010-04-23
Genre: Technology & Engineering
ISBN: 1845699262

For a food product to be a success in the marketplace it must be stable throughout its shelf-life. Quality deterioration due to chemical changes and alterations in condition due to physical instability are not always recognised, yet can be just as problematic as microbial spoilage. This book provides an authoritative review of key topics in this area. Chapters in part one focus on the chemical reactions which can negatively affect food quality, such as oxidative rancidity, and their measurement. Part two reviews quality deterioration associated with physical changes, such as moisture loss, gain and migration, crystallization and emulsion breakdown. Contributions in the following section outline the likely effects on different foods and beverages, including bakery products, fruit and vegetables, ready-to-eat meals and wine. With contributions from leaders in their fields, Chemical deterioration and physical instability of food and beverages is an essential reference for R&D and QA staff in the food industry and researchers with an interested in this subject. - Examines chemical reactions which can negatively affect food quality and measurement - Reviews quality deterioration associated with physical changes such as moisture loss, gain and migration, and crystallization - Documents deterioration in specific food and beverage products including bakery products, frozen foods and wine

Ebook: Physical Science

Ebook: Physical Science
Author: Tillery
Publisher: McGraw Hill
Total Pages: 751
Release: 2016-04-16
Genre: Science
ISBN: 0077185102

Ebook: Physical Science

Chemistry of the Upper and Lower Atmosphere

Chemistry of the Upper and Lower Atmosphere
Author: Barbara J. Finlayson-Pitts
Publisher: Elsevier
Total Pages: 993
Release: 1999-11-17
Genre: Science
ISBN: 0080529070

Here is the most comprehensive and up-to-date treatment of one of the hottest areas of chemical research. The treatment of fundamental kinetics and photochemistry will be highly useful to chemistry students and their instructors at the graduate level, as well as postdoctoral fellows entering this new, exciting, and well-funded field with a Ph.D. in a related discipline (e.g., analytical, organic, or physical chemistry, chemical physics, etc.). Chemistry of the Upper and Lower Atmosphere provides postgraduate researchers and teachers with a uniquely detailed, comprehensive, and authoritative resource. The text bridges the "gap" between the fundamental chemistry of the earth's atmosphere and "real world" examples of its application to the development of sound scientific risk assessments and associated risk management control strategies for both tropospheric and stratospheric pollutants. - Serves as a graduate textbook and "must have" reference for all atmospheric scientists - Provides more than 5000 references to the literature through the end of 1998 - Presents tables of new actinic flux data for the troposphere and stratospher (0-40km) - Summarizes kinetic and photochemical date for the troposphere and stratosphere - Features problems at the end of most chapters to enhance the book's use in teaching - Includes applications of the OZIPR box model with comprehensive chemistry for student use

Metals and Chemical Change

Metals and Chemical Change
Author: D A Johnson
Publisher: Royal Society of Chemistry
Total Pages: 274
Release: 2007-10-31
Genre: Science
ISBN: 1847557910

This book looks at how molecules react, and how the feasibility and outcome of chemical reactions can be predicted. Beginning with an introduction to the concept of an activity series of metals, Metals and Chemical Change then introduces chemical thermodynamics (enthalpy, entropy and free energy) and applies the concept to both inorganic and organic elements. A Case Study on batteries and fuel cells is also included. The accompanying CD-ROM includes video sequences of the reactions of metals with water, acid and aqueous ions, and gives the reader an opportunity to make experimental observations and predictions about chemical behaviour. A comprehensive Data Book of chemical and physical constants is included, along with a set of interactive self-assessment questions. The Molecular World series provides an integrated introduction to all branches of chemistry for both students wishing to specialise and those wishing to gain a broad understanding of chemistry and its relevance to the everyday world and to other areas of science. The books, with their Case Studies and accompanying multi-media interactive CD-ROMs, will also provide valuable resource material for teachers and lecturers. (The CD-ROMs are designed for use on a PC running Windows 95, 98, ME or 2000.)