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Mastering Mole Ratios: A Deep Dive into POGIL Activities
Are you struggling to grasp the concept of mole ratios in chemistry? Feeling overwhelmed by stoichiometry problems? This comprehensive guide will equip you with the knowledge and strategies to conquer mole ratios, using the popular POGIL (Process Oriented Guided Inquiry Learning) approach as your roadmap. We'll break down the fundamentals, provide practical examples, and offer tips to make mastering mole ratios a breeze. By the end of this post, you'll be confidently tackling even the most challenging mole ratio calculations.
What are Mole Ratios?
Before diving into POGIL activities, let's solidify our understanding of mole ratios. A mole ratio is a conversion factor derived from the balanced chemical equation of a reaction. It expresses the relative amounts (in moles) of reactants and products involved. Essentially, it tells us the proportional relationship between different substances within a chemical reaction.
For example, consider the balanced equation for the combustion of methane:
CH₄ + 2O₂ → CO₂ + 2H₂O
The mole ratio of methane (CH₄) to oxygen (O₂) is 1:2. This means that for every one mole of methane reacting, two moles of oxygen are required. Similarly, the mole ratio of methane to carbon dioxide (CO₂) is 1:1. Understanding these ratios is crucial for solving stoichiometry problems.
Utilizing POGIL Activities to Master Mole Ratios
POGIL activities are designed to encourage active learning and collaborative problem-solving. They are particularly effective for grasping complex concepts like mole ratios. Here’s how POGIL activities can help:
#### 1. Breaking Down Complex Problems: POGIL activities often present problems in a step-by-step manner. This structured approach prevents feeling overwhelmed and allows you to focus on one aspect of the calculation at a time.
#### 2. Promoting Collaborative Learning: Working through POGIL activities with peers facilitates discussion and allows you to learn from different perspectives. Explaining concepts to others strengthens your own understanding.
#### 3. Encouraging Critical Thinking: POGIL activities often involve open-ended questions and problem-solving scenarios that necessitate critical thinking. This fosters a deeper understanding of the underlying principles.
#### 4. Developing Problem-Solving Skills: By working through various scenarios and examples, POGIL activities enhance your problem-solving skills, enabling you to tackle unfamiliar mole ratio problems confidently.
#### 5. Focusing on the "Why": POGIL activities emphasize understanding the why behind the calculations, not just memorizing formulas. This leads to a more robust and lasting comprehension of mole ratios.
Common Challenges and How to Overcome Them
Many students find mole ratio calculations challenging. Here are some common hurdles and how to address them:
#### 1. Balancing Chemical Equations: An incorrectly balanced equation will lead to incorrect mole ratios. Practice balancing equations until you are proficient.
#### 2. Unit Conversions: Successfully solving mole ratio problems requires accurate unit conversions (grams to moles, moles to grams, etc.). Ensure a firm grasp of molar mass calculations.
#### 3. Limiting Reactants: Identifying the limiting reactant is crucial in many mole ratio problems. Mastering this concept is essential for accurate calculations.
#### 4. Theoretical vs. Actual Yield: Understanding the difference between theoretical and actual yield is important for interpreting results. Practice problems involving percent yield.
Example POGIL-Style Problem
Let's work through a sample problem using a POGIL-style approach:
Problem: If 10 grams of hydrogen gas (H₂) react with excess oxygen (O₂), how many grams of water (H₂O) are produced? (Molar mass of H₂ = 2 g/mol; Molar mass of H₂O = 18 g/mol)
Step 1 (Balanced Equation): 2H₂ + O₂ → 2H₂O
Step 2 (Moles of H₂): Convert grams of H₂ to moles of H₂. (10 g H₂ / 2 g/mol H₂ = 5 moles H₂)
Step 3 (Mole Ratio): Use the mole ratio from the balanced equation (2 moles H₂ : 2 moles H₂O) to determine moles of H₂O produced. (5 moles H₂ × (2 moles H₂O / 2 moles H₂) = 5 moles H₂O)
Step 4 (Grams of H₂O): Convert moles of H₂O to grams of H₂O. (5 moles H₂O × 18 g/mol H₂O = 90 g H₂O)
Therefore, 90 grams of water are produced.
Conclusion
Mastering mole ratios is fundamental to success in chemistry. By utilizing POGIL activities, you can effectively learn and practice the necessary skills. Remember to practice regularly, focusing on understanding the underlying concepts rather than rote memorization. With consistent effort and a structured approach, you'll confidently navigate the world of mole ratio calculations.
FAQs
1. What if I don't have access to formal POGIL worksheets? You can create your own problem sets following the POGIL principles: start with a guiding question, break down the problem into smaller steps, include collaborative activities, and encourage critical thinking.
2. Are there online resources that provide POGIL-style mole ratio problems? Yes, many websites and educational platforms offer online chemistry resources, some of which include POGIL-style activities. Search for "mole ratio practice problems" or "stoichiometry POGIL" online.
3. How can I identify my weaknesses in mole ratio calculations? Review your mistakes carefully. Do you consistently make errors in balancing equations, unit conversions, or limiting reactant identification? Focus on strengthening your skills in these areas.
4. What are some good strategies for memorizing molar masses? While memorizing all molar masses isn't necessary, learning the molar masses of common elements can be helpful. Create flashcards or use mnemonic devices to improve retention.
5. Can I use a calculator for mole ratio problems? Absolutely! Calculators are essential for performing the calculations efficiently and accurately. However, make sure you understand the steps involved before relying solely on the calculator.
| mole ratios pogil: Chemistry Education in the ICT Age Minu Gupta Bhowon, Sabina Jhaumeer-Laulloo, Henri Li Kam Wah, Ponnadurai Ramasami, 2009-07-21 th th The 20 International Conference on Chemical Education (20 ICCE), which had rd th “Chemistry in the ICT Age” as the theme, was held from 3 to 8 August 2008 at Le Méridien Hotel, Pointe aux Piments, in Mauritius. With more than 200 participants from 40 countries, the conference featured 140 oral and 50 poster presentations. th Participants of the 20 ICCE were invited to submit full papers and the latter were subjected to peer review. The selected accepted papers are collected in this book of proceedings. This book of proceedings encloses 39 presentations covering topics ranging from fundamental to applied chemistry, such as Arts and Chemistry Education, Biochemistry and Biotechnology, Chemical Education for Development, Chemistry at Secondary Level, Chemistry at Tertiary Level, Chemistry Teacher Education, Chemistry and Society, Chemistry Olympiad, Context Oriented Chemistry, ICT and Chemistry Education, Green Chemistry, Micro Scale Chemistry, Modern Technologies in Chemistry Education, Network for Chemistry and Chemical Engineering Education, Public Understanding of Chemistry, Research in Chemistry Education and Science Education at Elementary Level. We would like to thank those who submitted the full papers and the reviewers for their timely help in assessing the papers for publication. th We would also like to pay a special tribute to all the sponsors of the 20 ICCE and, in particular, the Tertiary Education Commission (http://tec.intnet.mu/) and the Organisation for the Prohibition of Chemical Weapons (http://www.opcw.org/) for kindly agreeing to fund the publication of these proceedings. |
| mole ratios pogil: Chemistry 2e Paul Flowers, Richard Langely, William R. Robinson, Klaus Hellmut Theopold, 2019-02-14 Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition. |
| mole ratios pogil: POGIL Activities for High School Chemistry High School POGIL Initiative, 2012 |
| mole ratios pogil: Modern Analytical Chemistry David Harvey, 2000 This introductory text covers both traditional and contemporary topics relevant to analytical chemistry. Its flexible approach allows instructors to choose their favourite topics of discussion from additional coverage of subjects such as sampling, kinetic method, and quality assurance. |
| mole ratios pogil: AP Chemistry For Dummies Peter J. Mikulecky, Michelle Rose Gilman, Kate Brutlag, 2008-11-13 A practical and hands-on guide for learning the practical science of AP chemistry and preparing for the AP chem exam Gearing up for the AP Chemistry exam? AP Chemistry For Dummies is packed with all the resources and help you need to do your very best. Focused on the chemistry concepts and problems the College Board wants you to know, this AP Chemistry study guide gives you winning test-taking tips, multiple-choice strategies, and topic guidelines, as well as great advice on optimizing your study time and hitting the top of your game on test day. This user-friendly guide helps you prepare without perspiration by developing a pre-test plan, organizing your study time, and getting the most out or your AP course. You'll get help understanding atomic structure and bonding, grasping atomic geometry, understanding how colliding particles produce states, and so much more. To provide students with hands-on experience, AP chemistry courses include extensive labwork as part of the standard curriculum. This is why the book dedicates a chapter to providing a brief review of common laboratory equipment and techniques and another to a complete survey of recommended AP chemistry experiments. Two full-length practice exams help you build your confidence, get comfortable with test formats, identify your strengths and weaknesses, and focus your studies. You'll discover how to Create and follow a pretest plan Understand everything you must know about the exam Develop a multiple-choice strategy Figure out displacement, combustion, and acid-base reactions Get familiar with stoichiometry Describe patterns and predict properties Get a handle on organic chemistry nomenclature Know your way around laboratory concepts, tasks, equipment, and safety Analyze laboratory data Use practice exams to maximize your score Additionally, you'll have a chance to brush up on the math skills that will help you on the exam, learn the critical types of chemistry problems, and become familiar with the annoying exceptions to chemistry rules. Get your own copy of AP Chemistry For Dummies to build your confidence and test-taking know-how, so you can ace that exam! |
| mole ratios pogil: Basic Concepts in Biochemistry: A Student's Survival Guide Hiram F. Gilbert, 2000 Basic Concepts in Biochemistry has just one goal: to review the toughest concepts in biochemistry in an accessible format so your understanding is through and complete.--BOOK JACKET. |
| mole ratios pogil: Introduction to Chemistry Tracy Poulsen, 2013-07-18 Designed for students in Nebo School District, this text covers the Utah State Core Curriculum for chemistry with few additional topics. |
| mole ratios pogil: Chemistry Bruce Averill, Patricia Eldredge, 2007 Emphasises on contemporary applications and an intuitive problem-solving approach that helps students discover the exciting potential of chemical science. This book incorporates fresh applications from the three major areas of modern research: materials, environmental chemistry, and biological science. |
| mole ratios pogil: Synthesis and Technique in Inorganic Chemistry Gregory S. Girolami, Thomas B. Rauchfuss, Robert J. Angelici, 1999 Previously by Angelici, this laboratory manual for an upper-level undergraduate or graduate course in inorganic synthesis has for many years been the standard in the field. In this newly revised third edition, the manual has been extensively updated to reflect new developments in inorganic chemistry. Twenty-three experiments are divided into five sections: solid state chemistry, main group chemistry, coordination chemistry, organometallic chemistry, and bioinorganic chemistry. The included experiments are safe, have been thoroughly tested to ensure reproducibility, are illustrative of modern issues in inorganic chemistry, and are capable of being performed in one or two laboratory periods of three or four hours. Because facilities vary from school to school, the authors have included a broad range of experiments to help provide a meaningful course in almost any academic setting. Each clearly written & illustrated experiment begins with an introduction that hig! hlights the theme of the experiment, often including a discussion of a particular characterization method that will be used, followed by the experimental procedure, a set of problems, a listing of suggested Independent Studies, and literature references. |
| mole ratios pogil: Biophysical Chemistry James P. Allen, 2009-01-26 Biophysical Chemistry is an outstanding book that delivers both fundamental and complex biophysical principles, along with an excellent overview of the current biophysical research areas, in a manner that makes it accessible for mathematically and non-mathematically inclined readers. (Journal of Chemical Biology, February 2009) This text presents physical chemistry through the use of biological and biochemical topics, examples and applications to biochemistry. It lays out the necessary calculus in a step by step fashion for students who are less mathematically inclined, leading them through fundamental concepts, such as a quantum mechanical description of the hydrogen atom rather than simply stating outcomes. Techniques are presented with an emphasis on learning by analyzing real data. Presents physical chemistry through the use of biological and biochemical topics, examples and applications to biochemistry Lays out the necessary calculus in a step by step fashion for students who are less mathematically inclined Presents techniques with an emphasis on learning by analyzing real data Features qualitative and quantitative problems at the end of each chapter All art available for download online and on CD-ROM |
| mole ratios pogil: POGIL Activities for High School Biology High School POGIL Initiative, 2012 |
| mole ratios pogil: A Concrete Stoichiometry Unit for High School Chemistry Jennifer Louise Pakkala, 2006 |
| mole ratios pogil: AOE, Adventures of the Elements Richard E. James (III.), 2004 |
| mole ratios pogil: POGIL Activities for AP* Chemistry Flinn Scientific, 2014 |
| mole ratios pogil: Physical Chemistry for the Biosciences Raymond Chang, 2005-02-11 This book is ideal for use in a one-semester introductory course in physical chemistry for students of life sciences. The author's aim is to emphasize the understanding of physical concepts rather than focus on precise mathematical development or on actual experimental details. Subsequently, only basic skills of differential and integral calculus are required for understanding the equations. The end-of-chapter problems have both physiochemical and biological applications. |
| mole ratios pogil: Introduction to Materials Science and Engineering Elliot Douglas, 2014 This unique book is designed to serve as an active learning tool that uses carefully selected information and guided inquiry questions. Guided inquiry helps readers reach true understanding of concepts as they develop greater ownership over the material presented. First, background information or data is presented. Then, concept invention questions lead the students to construct their own understanding of the fundamental concepts represented. Finally, application questions provide the reader with practice in solving problems using the concepts that they have derived from their own valid conclusions. KEY TOPICS: What is Guided Inquiry?; What is Materials Science and Engineering?; Bonding; Atomic Arrangements in Solids; The Structure of Polymers; Microstructure: Phase Diagrams; Diffusion; Microstructure: Kinetics; Mechanical Behavior; Materials in the Environment; Electronic Behavior; Thermal Behavior; Materials Selection and Design. MasteringEngineering, the most technologically advanced online tutorial and homework system available, can be packaged with this edition. MasteringEngineering is designed to provide students with customized coaching and individualized feedback to help improve problem-solving skills while providing instructors with rich teaching diagnostics. Note: If you are purchasing the standalone text (ISBN: 0132136422) or electronic version, MasteringEngineering does not come automatically packaged with the text. To purchase MasteringEngineering, please visit: www.masteringengineering.com or you can purchase a package of the physical text + MasteringEngineering by searching the Pearson Higher Education web site. MasteringEngineering is not a self-paced technology and should only be purchased when required by an instructor. MARKET: For students taking the Materials Science course in the Mechanical & Aerospace Engineering department. This book is also suitable for professionals seeking a guided inquiry approach to materials science. |
| mole ratios pogil: Teaching Science for Understanding Joel J. Mintzes, James H. Wandersee, Joseph D. Novak, 2005-02-21 Teaching Science for Understanding |
| mole ratios pogil: General Chemistry Ralph H. Petrucci, F. Geoffrey Herring, Jeffry D. Madura, Carey Bissonnette, 2010-05 |
| mole ratios pogil: Turbulent Mirror John Briggs, F. David Peat, 1989 Explores the many faces of chaos and reveals how its laws direct most of the familiar processes of everyday life. |
| mole ratios pogil: World of Chemistry Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste, 2006-08 Our high school chemistry program has been redesigned and updated to give your students the right balance of concepts and applications in a program that provides more active learning, more real-world connections, and more engaging content. A revised and enhanced text, designed especially for high school, helps students actively develop and apply their understanding of chemical concepts. Hands-on labs and activities emphasize cutting-edge applications and help students connect concepts to the real world. A new, captivating design, clear writing style, and innovative technology resources support your students in getting the most out of their textbook. - Publisher. |
| mole ratios pogil: The Double Helix James D. Watson, 1969-02 Since its publication in 1968, The Double Helix has given countless readers a rare and exciting look at one highly significant piece of scientific research-Watson and Crick's race to discover the molecular structure of DNA. |
| mole ratios pogil: The Carbon Cycle T. M. L. Wigley, D. S. Schimel, 2005-08-22 Reducing carbon dioxide (CO2) emissions is imperative to stabilizing our future climate. Our ability to reduce these emissions combined with an understanding of how much fossil-fuel-derived CO2 the oceans and plants can absorb is central to mitigating climate change. In The Carbon Cycle, leading scientists examine how atmospheric carbon dioxide concentrations have changed in the past and how this may affect the concentrations in the future. They look at the carbon budget and the missing sink for carbon dioxide. They offer approaches to modeling the carbon cycle, providing mathematical tools for predicting future levels of carbon dioxide. This comprehensive text incorporates findings from the recent IPCC reports. New insights, and a convergence of ideas and views across several disciplines make this book an important contribution to the global change literature. |
| mole ratios pogil: Electronic and Photoelectron Spectroscopy Andrew M. Ellis, Miklos Feher, Timothy G. Wright, 2005-01-13 Electronic and photoelectron spectroscopy can provide extraordinarily detailed information on the properties of molecules and are in widespread use in the physical and chemical sciences. Applications extend beyond spectroscopy into important areas such as chemical dynamics, kinetics and atmospheric chemistry. This book aims to provide the reader with a firm grounding of the basic principles and experimental techniques employed. The extensive use of case studies effectively illustrates how spectra are assigned and how information can be extracted, communicating the matter in a compelling and instructive manner. Topics covered include laser-induced fluorescence, resonance-enhanced multiphoton ionization, cavity ringdown and ZEKE spectroscopy. The volume is for advanced undergraduate and graduate students taking courses in spectroscopy and will also be useful to anyone encountering electronic and/or photoelectron spectroscopy during their research. |
| mole ratios pogil: Study Guide 1 DCCCD Staff, Dcccd, 1995-11 |
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| mole ratios pogil: The Science and Technology of Civil Engineering Materials J. Francis Young, 1998 For one/two-term courses in Introductory Engineering Materials in departments of civil engineering. Applies the rigor of material science principles to a comprehensive, integrative exploration of the science and technology of construction materials. |
| mole ratios pogil: Holt Chemistry File , 1998 This reference is a must for students who need extra help, reteaching, or extra practice. The guide moves students through the same concepts as the text, but at a slower pace. More descriptive detail, along with visual algorithms, provides a more structured approach. Each chapter closes with a large bank of practice problems. Book jacket. |
| mole ratios pogil: Principles of Modern Chemistry David W. Oxtoby, 1998-07-01 PRINCIPLES OF MODERN CHEMISTRY has dominated the honors and high mainstream general chemistry courses and is considered the standard for the course. The fifth edition is a substantial revision that maintains the rigor of previous editions but reflects the exciting modern developments taking place in chemistry today. Authors David W. Oxtoby and H. P. Gillis provide a unique approach to learning chemical principles that emphasizes the total scientific process'from observation to application'placing general chemistry into a complete perspective for serious-minded science and engineering students. Chemical principles are illustrated by the use of modern materials, comparable to equipment found in the scientific industry. Students are therefore exposed to chemistry and its applications beyond the classroom. This text is perfect for those instructors who are looking for a more advanced general chemistry textbook. |
| mole ratios pogil: Peterson's Master AP Chemistry Brett Barker, 2007-02-12 A guide to taking the Advanced Placement Chemistry exam, featuring three full-length practice tests, one diagnostic test, in-depth subject reviews, and a guide to AP credit and placement. Includes CD-ROM with information on financing a college degree. |
| mole ratios pogil: Pedagogy in Poverty Ursula Hoadley, 2020-02-12 As South Africa transitioned from apartheid to democracy, changes in the political landscape, as well as educational agendas and discourse on both a national and international level, shaped successive waves of curriculum reform over a relatively short period of time. Using South Africa as a germane example of how curriculum and pedagogy can interact and affect educational outcomes, Pedagogy in Poverty explores the potential of curricula to improve education in developing and emerging economies worldwide, and, ultimately, to reduce inequality. Incorporating detailed, empirical accounts of life inside South African classrooms, this book is a much-needed contribution to international debate surrounding optimal curriculum and pedagogic forms for children in poor schools. Classroom-level responses to curriculum policy reforms reveal some implications of the shifts between a radical, progressive approach and traditional curriculum forms. Hoadley focuses on the crucial role of teachers as mediators between curriculum and pedagogy, and explores key issues related to teacher knowledge by examining the teaching of reading and numeracy at the foundational levels of schooling. Offering a data-rich historical sociology of curriculum and pedagogic change, this book will appeal to academics, researchers and postgraduate students in the fields of education, sociology of education, curriculum studies, educational equality and school reform, and the policy and politics of education. |
| mole ratios pogil: Computational Systems Biology of Cancer Emmanuel Barillot, Laurence Calzone, Philippe Hupe, Jean-Philippe Vert, Andrei Zinovyev, 2012-08-25 The future of cancer research and the development of new therapeutic strategies rely on our ability to convert biological and clinical questions into mathematical models—integrating our knowledge of tumour progression mechanisms with the tsunami of information brought by high-throughput technologies such as microarrays and next-generation sequencing. Offering promising insights on how to defeat cancer, the emerging field of systems biology captures the complexity of biological phenomena using mathematical and computational tools. Novel Approaches to Fighting Cancer Drawn from the authors’ decade-long work in the cancer computational systems biology laboratory at Institut Curie (Paris, France), Computational Systems Biology of Cancer explains how to apply computational systems biology approaches to cancer research. The authors provide proven techniques and tools for cancer bioinformatics and systems biology research. Effectively Use Algorithmic Methods and Bioinformatics Tools in Real Biological Applications Suitable for readers in both the computational and life sciences, this self-contained guide assumes very limited background in biology, mathematics, and computer science. It explores how computational systems biology can help fight cancer in three essential aspects: Categorising tumours Finding new targets Designing improved and tailored therapeutic strategies Each chapter introduces a problem, presents applicable concepts and state-of-the-art methods, describes existing tools, illustrates applications using real cases, lists publically available data and software, and includes references to further reading. Some chapters also contain exercises. Figures from the text and scripts/data for reproducing a breast cancer data analysis are available at www.cancer-systems-biology.net. |
| mole ratios pogil: Biochemistry Laboratory Rodney F. Boyer, 2012 The biochemistry laboratory course is an essential component in training students for careers in biochemistry, molecular biology, chemistry, and related molecular life sciences such as cell biology, neurosciences, and genetics. Increasingly, many biochemistry lab instructors opt to either design their own experiments or select them from major educational journals. Biochemistry Laboratory: Modern Theory and Techniques addresses this issue by providing a flexible alternative without experimental protocols. Instead of requiring instructors to use specific experiments, the book focuses on detailed descriptions of modern techniques in experimental biochemistry and discusses the theory behind such techniques in detail. An extensive range of techniques discussed includes Internet databases, chromatography, spectroscopy, and recombinant DNA techniques such as molecular cloning and PCR. The Second Edition introduces cutting-edge topics such as membrane-based chromatography, adds new exercises and problems throughout, and offers a completely updated Companion Website. |
| mole ratios pogil: Learner-centred Education in International Perspective Michele Schweisfurth, 2013 Explores debates around learner-centred education (or child-centred education) as a strategy for developing teachers' classroom practice and asks whether a 'Western' construct is appropriate for application in all societies and classrooms. |
| mole ratios pogil: Modern Chemistry Raymond E. Davis, 1999 2000-2005 State Textbook Adoption - Rowan/Salisbury. |
| mole ratios pogil: The Electron Robert Andrews Millikan, 1917 |
| mole ratios pogil: Learning from Dynamic Visualization Richard Lowe, Rolf Ploetzner, 2017-05-18 This volume tackles issues arising from today’s high reliance on learning from visualizations in general and dynamic visualizations in particular at all levels of education. It reflects recent changes in educational practice through which text no longer occupies its traditionally dominant role as the prime means of presenting to-be-learned information to learners. Specifically, the book targets the dynamic visual components of multimedia educational resources and singles out how they can influence learning in their own right. It aims to help bridge the increasing gap between pervasive adoption of dynamic visualizations in educational practice and our limited understanding of the role that these representations can play in learning. The volume has recruited international leaders in the field to provide diverse perspectives on the dynamic visualizations and learning. It is the first comprehensive book on the topic that brings together contributions from both renowned researchers and expert practitioners. Rather than aiming to present a broad general overview of the field, it focuses on innovative work that is at the cutting edge. As well as further developing and complementing existing approaches, the contributions emphasize fresh ideas that may challenge existing orthodoxies and point towards future directions for the field. They seek to stimulate further new developments in the design and use of dynamic visualizations for learning as well as the rigorous, systematic investigation of their educational effectiveness.the volume= sheds= light= on= the= complex= and= highly= demanding= processes= of= conceptualizing,= developing= implementing= dynamic= visualizations= in= practice= as= well= challenges= relating= research= application= perspectives. |
| mole ratios pogil: Unit Operations in Food Processing R. L. Earle, 2013-10-22 This long awaited second edition of a popular textbook has a simple and direct approach to the diversity and complexity of food processing. It explains the principles of operations and illustrates them by individual processes. The new edition has been enlarged to include sections on freezing, drying, psychrometry, and a completely new section on mechanical refrigeration. All the units have been converted to SI measure. Each chapter contains unworked examples to help the student gain a grasp of the subject, and although primarily intended for the student food technologist or process engineer, this book will also be useful to technical workers in the food industry |
| mole ratios pogil: Safer Makerspaces, Fab Labs, and STEM Labs Kenneth Russell Roy, Tyler S. Love, 2017-09 Safer hands-on STEM is essential for every instructor and student. Read the latest information about how to design and maintain safer makerspaces, Fab Labs and STEM labs in both formal and informal educational settings. This book is easy to read and provides practical information with examples for instructors and administrators. If your community or school system is looking to design or modify a facility to engage students in safer hands-on STEM activities then this book is a must read!This book covers important information, such as: Defining makerspaces, Fab Labs and STEM labs and describing their benefits for student learning.· Explaining federal safety standards, negligence, tort law, and duty of care in terms instructors can understand.· Methods for safer professional practices and teaching strategies.· Examples of successful STEM education programs and collaborative approaches for teaching STEM more safely.· Safety Controls (engineering controls, administrative controls, personal protective equipment, maintenance of controls).· Addressing general safety, biological and biotechnology, chemical, and physical hazards.· How to deal with various emergency situations.· Planning and design considerations for a safer makerspace, Fab Lab and STEM lab.· Recommended room sizes and equipment for makerspaces, Fab Labs and STEM labs.· Example makerspace, Fab Lab and STEM lab floor plans.· Descriptions and pictures of exemplar makerspaces, Fab Labs and STEM labs.· Special section answering frequently asked safety questions! |
| mole ratios pogil: Chemistry 2e Paul Flowers, Klaus Theopold, Richard Langley, Edward J. Neth, WIlliam R. Robinson, 2019-02-14 Chemistry 2e is designed to meet the scope and sequence requirements of the two-semester general chemistry course. The textbook provides an important opportunity for students to learn the core concepts of chemistry and understand how those concepts apply to their lives and the world around them. The book also includes a number of innovative features, including interactive exercises and real-world applications, designed to enhance student learning. The second edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Substantial improvements have been made in the figures, illustrations, and example exercises that support the text narrative. Changes made in Chemistry 2e are described in the preface to help instructors transition to the second edition. |
| mole ratios pogil: Biochemical Calculations Irwin H. Segel, 1968 Weak acids and based; Amino acids and peptides; Biochemical energetics; Enzyme kinetics; Spectrophotometry; Isotopes in biochemistry; Miscellaneous calculations. |
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