Textbook adapted for CHM 118 at Smith College. This course is for …
Textbook adapted for CHM 118 at Smith College. This course is for students with a very strong background in chemistry. The elementary theories of stoichiometry, atomic structure, bonding, structure, energetics and reactions are quickly reviewed. The major portions of the course involve a detailed analysis of atomic theory and bonding from an orbital concept, an examination of the concepts behind thermodynamic arguments in chemical systems, and an investigation of chemical reactions and kinetics. The laboratory deals with synthesis, physical properties and kinetics.
This course deals with the application of structure and theory to the …
This course deals with the application of structure and theory to the study of organic reaction mechanisms: Stereochemical features including conformation and stereoelectronic effects; reaction dynamics, isotope effects and molecular orbital theory applied to pericyclic and photochemical reactions; and special reactive intermediates including carbenes, carbanions, and free radicals.
12.491 is a seminar focusing on problems of current interest in geology …
12.491 is a seminar focusing on problems of current interest in geology and geochemistry. For Fall 2005, the topic is organic geochemistry. Lectures and readings cover recent research in the development and properties of organic matter.
Students experiment with a new materialâaerogel. Aerogel is a synthetic (human-made) porous …
Students experiment with a new materialâaerogel. Aerogel is a synthetic (human-made) porous ultra-light (low-density) material, in which the liquid component of a gel is replaced with a gas. In this activity, student pairs use aerogel to simulate the environmental engineering application of cleaning up oil spills. In a simple and fun way, this activity incorporates density calculations, the material effects of surface area, and hydrophobic and hydrophilic properties.
he cost of healthcare is one of the largest personal expenditures worldwide, …
he cost of healthcare is one of the largest personal expenditures worldwide, with residents of the United States spending upwards of $10,000 each year. A significant portion of healthcare costs in the United States and many other countries comes from paying for prescription medications. This unit is designed to give 9-12th grade chemistry, pharmacology, or biology students an introduction to prescription drug costs and what scientific measures can be taken to lower costs. Topics necessary for this unit include the relationship between structure and function, pH, activation energy, the relationship between temperature and reaction rate, catalysts, inhibitors, among additional concepts. This unit functions as an end-of-year project incorporating all of the topics listed above and challenges students to conduct research, design their own strategy to lower drug costs, and prove their viability and cost-saving potential through calculation. Individually or in pairs students must pick a strategy or technology, spend a day or more researching it, two days writing a research paper on it, one day preparing a class presentation, and one day for presentations. Student’s ability to effectively prove the viability of their strategies/technologies as well as estimate the cost savings to consumers will be weighted heavily.
All biological cells require the transport of materials across the plasma membrane …
All biological cells require the transport of materials across the plasma membrane into and out of the cell. By infusing cubes of agar with a pH indicator, and then soaking the treated cubes in vinegar, you can model how diffusion occurs in cells. Then, by observing cubes of different sizes, you can discover why larger cells might need extra help to transport materials.
In this module, students prepare and run an agarose gel that they …
In this module, students prepare and run an agarose gel that they use to separate DNA molecules of various sizes. Students stain the gels with ethidium bromide to visualize the positions of DNA molecules. Students estimate the sizes of separated DNA molecules by their migration distances relative to those of molecular weight standards. This module is part of a semester-long introductory lab class, Investigations in Molecular Cell Biology, at Boston College.
This assignment was designed for students in the pathways introductory chemistry class …
This assignment was designed for students in the pathways introductory chemistry class and the first year seminar and aligns with the Inquiry and Problem Solving core competency. In this context, there is a focus on framing the issues (identifies and/or addresses questions and problems), evidence gathering (assembles, reviews and synthesizes evidence from several diverse sources), evidence (analyze the data to address the questions posed) and conclusions (critical thinking, reflect on the outcomes, draw conclusions and generate new knowledge). There is also a Global Learning component based on comparing data collected locally with corresponding data from other locations or countries. The assignment includes the written communication ability with a focus on "Content Development and Organization," as well as the clarity of the communication and its purpose. The overall aim of this assignment is to enhance students' conceptual learning and understanding of key issues related to society as well as their course. This assignment was developed as part of a LaGuardia Global Learning mini-grant and CUNY Experiential Learning and Research in the Classroom mini-grants. The assignment will be scaffolded over about 3 weeks and is worth about 10% of the final grade. To further increase the success of this assignment, instructors might want to consider the following: Use class discussions to focus on the relevance and importance of conceptual learning. In order to improve the data analysis aspect, incorporating class demonstrations of how to conduct the analysis and guide discussions about what the data means. Giving students more detailed rubrics with formal expectations of the requirements of the assignments, particularly in the written format Find ways to increase student participation in class discussions. When this assignment has been utilized in previous semesters, students clearly displayed the capability to relate the co-curricular experiences in the data collection and its analysis to concepts and ideas covered during class. Evidence for this came from very dynamic and interactive class discussions based on air pollution as well as from the output of the written assignment, in which students were able to relate the nature, sources and chemical properties of the pollutants to their impact on the environment, health and society in general. LaGuardia's Core Competencies and Communication Abilities List the Program Goal(s) that this assignment targets Global Learning based on comparing pollutant levels around the LaGuardia campus with those in other locations or countries. It is also an IPS assignment, incorporating scientific literacy and thinking, as students need to analyze the data, interpret it and reflect on the outcomes. List the Student Learning Objective(s) that this assignment targets Identify and apply fundamental chemical concepts and methods. Gather, analyze, and interpret data. List the Course Objectives(s) that this assignment targets Explore the complex connections between chemistry and society. Apply chemical principles to real world issues, including ethical aspects. Gather, analyze, and interpret data. Write a short description of the pedagogy involved in executing this assignment Students collect and analyze the data, interpret the results in terms of pollution levels, safety and ethics and compare with EPA standard levels and with levels in other countries. Outside the classroom events will be organized for data collection. There will be class and group-based discussions focused on the data, its analysis and the connections to society.
In this video segment adapted from ZOOM, cast members make their own …
In this video segment adapted from ZOOM, cast members make their own hovercraft and demonstrate how the air leaking out of a balloon can make a plastic plate hover above a table.
What comes to mind when you think of alcohol? Probably alcoholic drinks …
What comes to mind when you think of alcohol? Probably alcoholic drinks like beer or wine. But in organic chemistry alcohols are an important and versatile family of compounds. In this episode of Crash Course Organic Chemistry, we’ll use alcohols as a starting point to get other types of compounds like ethers, epoxides, and more!
We’ve already learned the basics of carbonyl chemistry and talked about how …
We’ve already learned the basics of carbonyl chemistry and talked about how we can synthesize aldehydes and ketones, but there’s still so much more to learn, like the role carbonyl groups play in reactions involving sedatives! In this episode of Crash Course Organic Chemistry we’re diving deeper into aldehydes and ketones by focusing on addition reactions of oxygen and nitrogen based nucleophiles. We’ll cover hydrates, acetals and hemiacetals, imines and enamines, and more!
Organic chemistry is a great workout for your brain, and to keep …
Organic chemistry is a great workout for your brain, and to keep its energy up, your brain needs glucose. To maintain blood glucose levels, our bodies go through a process called gluconeogenesis, which involves the important type of organic reaction we’re getting into today: aldol reactions! In this episode of Crash Course Organic Chemistry, we’ll learn what an aldol is, as well as how aldol reactions work and what they do. Plus we’ll learn about a similar reaction, Claisen condensation.
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