This manual offers a thorough exploration of introductory chemistry lab techniques, covering a wide range of topics. Its effective index aids navigation, while clear explanations ensure understanding. Particularly impressive is the safety section. read more
Reviewed by Niroshi Meegoda, Lab Manager/Instructor, Northeastern Illinois University on 4/10/24
Comprehensiveness rating: 5 see less
This manual offers a thorough exploration of introductory chemistry lab techniques, covering a wide range of topics. Its effective index aids navigation, while clear explanations ensure understanding. Particularly impressive is the safety section, which includes valuable information on safety labels, SDSs, and a Chemical Hazard Risk Evaluation Matrix. The inclusion of the RAMP approach to safety is commendable. Additionally, guidelines for maintaining a lab notebook are helpful for students. The manual provides detailed instructions for using lab equipment such as balances, Bunsen burners, etc. It is accompanied by real-life examples that enrich learning experiences. For instance, reading page 14 brought back memories of explaining mass by difference to a medical assistant while my crying baby refused to stay still on the balance. Following this manual, students learn the techniques first and then apply them to real-world scenarios. The experiment comparing different brands of vinegar on page 56 and finding the dye composition of a drink on page 74 resonated with me, as they serve as practical examples that enhance engagement and understanding. Investigative labs included in this manual contribute to improving students' critical thinking skills.
Suggestions to Improve: Consider adding a few more experiments, such as finding the empirical formula of a compound, soap making lab and Cabbage pH indicator lab, to enrich the breadth of content and further engage students. Additionally, incorporating a Glossary would enhance the accessibility of the manual.
Content Accuracy rating: 4
The information presented aligns accurately with established subject matter, showcasing the author's expertise in the field. However, a few minor errors were noted:
-On page 39 (precipitation reaction 3) -barium chloride
It should be adding 3 drops of barium chloride (not silver nitrate)
-A spelling mistake on p37 should be corrected to Brønsted–Lowry
-On page 26, the author explains how to read the measured volume in detail. However, I suggest replacing Figure 3.6 with a picture of a graduated cylinder instead of a burette to match the description, as the reading increments from bottom to top in a graduated cylinder, unlike a burette where it increments from top to bottom. This adjustment may prevent confusion for introductory chemistry students.
Clarifying and correcting these errors would enhance the overall accuracy of the manual.
Relevance/Longevity rating: 5
The content remains current and significant, providing valuable insights for introductory chemistry lab classes. There are areas where the relevance could be further enhanced, such as on page 10, in the "Replace Hazardous Substances with Less Hazardous Substances" section, the author could also mention the toxicity of lead and arsenic. Additionally, on page 37, the author could introduce universal pH indicator papers, which are more effective in distinguishing weak acids/bases from strong ones compared to litmus papers. Moreover, improving the quantity and quality of visual aids would enhance comprehension.
Clarity rating: 5
The author has a clear writing style and well-organized structure, enhancing understanding and facilitating comprehension. Concepts are explained thoroughly, aided by step-by-step instructions and visual aids. Author excels in communicating ideas effectively, organizing the content logically, and using language that is clear and accessible. This book serves as an invaluable resource for anyone seeking a clear and insightful exploration of introductory chemistry.
To improve: If the instructions for reading measured volumes on page 26 are accompanied by appropriate visuals, clarity will be ensured and confusion prevented.
Consistency rating: 5
The author maintains a consistent writing style throughout the book. Every section maintains coherence and uniformity in conveying scientific concepts, terminology, and explanations. The calculations, formulas, and data consistently adhere to established scientific principles and are accurately presented. Sections are structured and formatted consistently for ease of navigation and comprehension, with examples used consistently to reinforce key concepts and enhance understanding.
Modularity rating: 5
Structured into modular units, this manual facilitates efficient navigation and learning. Each experiment is introduced with clear objectives, followed by sections covering safety considerations, waste disposal, and pre- and post-lab questions. The modular approach enhances flexibility, allowing instructors to assign experiments at different points in the course. This modularity, such as the consistent format of each experiment, ensures ease of use and promotes student engagement.
Organization/Structure/Flow rating: 5
The manual's organization is exemplary, facilitating the execution of laboratory experiments. Clear and concise procedural instructions, supplemented by comprehensive safety guidelines, ensure safe experimentation. Visual elements are integrated effectively, enhancing clarity and comprehension. For instance, the inclusion of visual aids such as diagrams on pages 60 and 61, and data tables on pages 70 and 71, enhances understanding and promotes effective learning.
Interface rating: 4
This book features a user-friendly interface that enhances the learning experience for students and instructors alike. Navigation from the table of contents is easy, allowing users to quickly locate specific sections or experiments. There is no distortion of images or tables. The use of headings, subheadings, and bullet points helps to break up text and improve readability.
While all hyperlinks could be navigated without issue, not all references have hyperlinks. Having hyperlinked references would allow users to access them easily. While the manual is accessible on Interface, additional online resources such as interactive simulations or video demonstrations could further enhance the learning experience.
Grammatical Errors rating: 5
This book demonstrates a high level of grammatical accuracy, with well-written and mostly error-free text throughout. I could not find any grammatical errors, enhancing the clarity of instructions and improving the overall user experience. While there are a very few minor spelling errors or typos, such as a spelling mistake on page 37 that should be corrected to "Brønsted–Lowry," and on page 39 (precipitation reaction 3), it should be "adding 3 drops of barium chloride" (not silver nitrate). Nonetheless, the manual serves as a valuable resource for students and instructors seeking clear and concise guidance in laboratory experiments.
Cultural Relevance rating: 5
This book does not contain any culturally insensitive or offensive material. Figure 3.1 on page 23 demonstrates the author's attempt to represent diverse perspectives and inclusivity. However, further improvements, such as incorporating more diverse examples and ensuring accessibility for users from diverse backgrounds, could enhance cultural inclusivity. For example, including images from a variety of cultural backgrounds would foster a more welcoming learning environment.
In conclusion, this chemistry lab manual is a valuable resource for students and educators seeking a comprehensive and user-friendly guide to introductory chemistry laboratory experiments. With its clear instructions, emphasis on safety, and engaging experiments, it effectively supports learning in the field of chemistry. The author's efforts in creating this resource are commendable, particularly considering its availability as a free resource. I enthusiastically recommend adopting this manual for introductory chemistry classes. Its comprehensive content, clear explanations, and practical examples make it an indispensable tool for students embarking on their journey into the world of chemistry.
Chemistry Techniques and Explorations (2023) by Dr. Daniel R. Albert is an eTextbook laboratory manual for first semester introductory chemistry courses. The manual includes two different types of experiments (Technique and Exploration) designed to engage students in chemistry laboratory practices. Technique laboratories are designed for students to learn and practice chemistry laboratory skills that are utilized in a wide variety of disciplines. Exploration laboratories provide freedom and time for students to use previously acquired skills toward answering a new application focused question. Exploration laboratories help build the scientific thinking skills necessary to approach novel problems. The goal of this lab manual is to build both fundamental techniques and problem-solving skills that aid students in becoming practicing scientists.
Dr. Daniel R. Albert is an Associate Professor of Chemistry at Millersville University of Pennsylvania. Dr. Albert is an experimental physical chemist who is engaged in research on understanding the impact of gas-liquid interactions on environmental processes. He is also engaged in chemical education research and develops inexpensive instrumentation for targeted applications and educational purposes.
