Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Define and explain the relevance of upper and lower explosion limits for a substance. Describe and demonstrate how spills of solids and liquids can be minimized and contained during weighing operations. Promoting excellence in science education and outreach. Use appropriate techniques to transfer gases, liquids, and solids from storage containers to laboratory equipment. The natural abundance of carbon12 is nearly 100%, whereas that of carbon-13 is only about 1%. Your Mendeley pairing has expired. American Journal of Educational Research. Explain why disposal of chemical wastes by pouring them down the drain or placing them in the trash can is generally not appropriate. Explain the relation between phase transition temperatures and intermolecular attractive forces. Participate in an emergency exit procedure for the laboratory. Identify limiting reactants in chemical reactions. Our goal was to revise the scope, content and pedagogy for one of our existing general chemistry course sequences, Chemistry 124 and 125 (General Chemistry for the Engineering Disciplines). Uncover the Chemistry in Everyday Life, Recognizing and celebrating excellence in chemistry and celebrate your achievements. ACS-Hach Programs
Have questions or comments? Demonstrate basic first aid procedures for common minor laboratory accidents. Describe the appropriate storage protocols for laboratory chemicals. Describe the processes represented by typical heating and cooling curves, and compute heat flows and enthalpy changes accompanying these processes. The nucleus contains only one proton and no neutrons. This page lists objectives that faculty and staff should expect undergraduate students to become familiar with. Describe how to plan experiments to minimize the use and generation of hazardous materials. Bulk discounts and alternative payment arrangements are available, including institutional or departmental payments. Determine the accuracy and precision of sets of data. Describe the use of a “snorkel” exhaust system. Use formal charges to identify the most reasonable Lewis structure for a given molecule. Students are prompted for payment during the OLI course registration process, and can pay with a credit card or an OLI Payment Code purchased from your campus bookstore. Select and wear appropriate PPE while in the laboratory. ACS is committed to helping combat the global COVID-19 pandemic with initiatives and free resources. This material is essential to the understanding of organic molecular structure and, later on, reaction mechanisms. The exercises scaffold students through complex problems before moving to less or un-scaffolded practice. However, standards also … Students obtaining a baccalaureate chemistry degree should have upon graduatio 1. the ability to make effective use of the library andibrary and other information resources in chemistry, including finding chemical information utilizing the primary literature. The many practice problems provide immediate, detailed feedback and hints as needed. Adapted from OpenStax Chemistry by Sandra Raysor with contributions from David Yaron and Mark Blaser. Also called learning standards, objectives are academic goals that guide instruction. Learn about offering OLI Payment Codes in your bookstore. Describe the appropriate materials and construction for a laboratory coat. Distinguish the related properties of heat, thermal energy, and temperature. Prepare and explain a general risk assessment matrix. scheduling access to units, modules, and assessments, single-sign-on in your Learning Management System. Describe the appropriate action to take in the case of a large (or major) chemical spill. Unless otherwise noted, LibreTexts content is licensed by CC BY-NC-SA 3.0. The course includes a multitude of formative practice problems that are scaffolded and include detailed feedback, interactives such as PhET simulations and virtual lab experiments, engaging media elements, and summative assessments. Assessing student mastery of chemical safety learning objectives should be a component of all laboratory experiences, including being a component of cumulative comprehensive examinations. Chemistry at Home
Describe the solubility of gases, liquids, and solids in liquids. Identify and demonstrate the appropriate use of PPE for a given laboratory activity. For more information contact us at info@libretexts.org or check out our status page at https://status.libretexts.org. Join the DivisionJoin ACSView All Benefits, 1155 Sixteenth Street, NW, Washington, DC 20036, USA | service@acs.org | 1-800-333-9511 (US and Canada) | 614-447-3776 (outside North America), Copyright © 2020 American Chemical Society. Describe safety concerns and controls for the use of radioactive materials. Describe the considerations to be taken into account, including the quantities on hand and needed, when ordering and receiving chemicals. Convert amounts of substances among moles, particles, and mass. More objectives for Recognize the Hazards >, More objectives for Assess the Risks of the Hazards >, More objectives for Minimize the Risk of the Hazards >, More objectives for Prepare for Emergencies from Uncontrolled Hazards >, Information from Safety Data Sheets (SDS). Calculate heat transferred in chemical and physical processes. Draw Lewis structures depicting the bonding in molecules. In contrast to the atomic number, different forms of the same element can have different masses. List the two main responsibilities of laboratory personnel in hazardous waste disposal. Prepare a safety checklist for experiments using the RAMP concept. Describe the precautions for using the following equipment: microwave ovens, ultrasonic cleaners, centrifuges, vacuum pumps, refrigerators, and freezers. Collaborate with scientists in your field of chemistry and stay current in your area of specialization. The course includes a multitude of formative practice problems that are scaffolded and include detailed feedback, interactives such as PhET simulations and virtual lab experiments, engaging media elements, and summative assessments. Describe the relationship between molecular velocities, kinetic energy, and molar mass of gases. Calculate the percent yield of a chemical reaction. Correlate a compound’s structure and properties with potential flammability. OLI’s Research Culture, Projects, and Getting Involved, Evidence-Based Practice in Management and Consulting, Health Information Technology Foundations, Composites Technology — NSC STEM Pathways, Electric Vehicle Technology — NSC STEM Pathways, Environmental Technology — NSC STEM Pathways, Mechatronics Technology — NSC STEM Pathways. In an attempt to get a consensus on what "ought to be taught" at the secondary school level, the author designed and circulated questionnaires. Apply concepts of mass percentage, volume percentage, parts per million, and parts per billion. Identify the components of a Chemical Hygiene Plan. No two different elements can have the same atomic number. Examples: State the purpose of the Chemical Hygiene Plan. Substantial value is added through a coherent learning experience, tagged against a consistent set of learning objectives tied to a common knowledge model. Write electron configurations for elements and identify valence electrons from them. Describe methods to ensure the security of laboratory chemicals. In an attempt to get a consensus on what "ought to be taught" at the secondary school level, the author designed and circulated questionnaires. Use hazard information to prepare labels, as per GHS 2012, for secondary containers. Represent chemical reactions with chemical equations. instruction (for example, active learning methods) outweigh the loss of course content, and we support this view. This article is cited by
Demonstrate the appropriate use of bottle carriers. Given a list of chemicals commonly found in an undergraduate laboratory, describe the proper storage location for each chemical. Identify the types of intermolecular forces experienced by specific molecules based on their structures. LEARNING OBJECTIVES To review the basics concepts of atomic structure that have direct relevance to the fundamental concepts of organic chemistry. Get article recommendations from ACS based on references in your Mendeley library. Technical Divisions
Describe the evolution of the atomic theory. Calculate enthalpy changes for various chemical reactions. Respond appropriately per institutional policies to emergency situations in the laboratory (e.g., spills, fires). Describe the basic properties of solutions and how they form. Describe the nature of energy changes that accompany chemical and physical changes. General Chemistry 1 is a highly interactive and engaging course that covers all topics typical of first semester General Chemistry. The number of electrons in a neutral atom (that is, the atomic number) gives the element its unique identity. Explain why various flammable and combustible materials should be available in limited quantities in laboratories. Now offered virtually. Together they equip teachers with insights into real-time student learning states; they provide more effective instruction in less time; and they’ve been proven to boost student success. Explain the reasons for following established and written protocols and/or. Start from learning objectives … This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. Following are some active teaching strategies in chemistry instruction. The reported mass is slightly greater than 12.00000 because of the small contribution of carbon-13. Network with colleagues and access the latest research in your field. Funding to support the advancement of the chemical sciences through research projects. Describe the steps needed to prevent incompatible chemicals from coming into contact with each other. State the purpose of regulatory agencies. Describe safety concerns and controls for the use of cryogens. Please reconnect. Unit 5: Electronic Structure and Periodic Properties, Module 20: Electromagnetic Energy and the Bohr Model of the Atom, Unit 6: Chemical Bonding and Molecular Geometry, Module 26: Molecular Structure and Polarity, Module 27: Advanced Theories of Covalent Bonding, Module 11: Reactions and Stoichiometry: Unit Practice, UNIT 5: Electronic Structure and Periodic Properties, Module 21: Electromagnetic Energy and the Bohr Model of the Atom, QUIZ: Electromagnetic Energy and the Bohr Model of the Atom, Module 24: Electronic Structure and Periodic Properties: Unit Practice, UNIT 6: Chemical Bonding and Molecular Geometry, Module 28: Molecular Structure and Polarity, Module 29: Advanced Theories of Covalent Bonding, QUIZ: Advanced Theories of Covalent Bonding. Design and conduct an experiment to test the properties of substances. Reactions: Chemistry Science Videos & Infographics
American Association of Chemistry Teachers, Reactions: Chemistry Science Videos & Infographics, Globally Harmonized System for Classifying Hazardous Materials, general rules for working safely in a chemical laboratory, considerations for appropriate waste disposal, Centers for Disease Control and Prevention (CDC), National Institute for Occupational Safety and Health (NIOSH), Occupational Safety and Health Administration (OSHA), cleaning up incidental (small or minor) spills, Help students develop an understanding of the principles of chemical safety, Enable students to apply these concepts when working in a laboratory, Foster a culture of safety in which students apply the, Encourage the scientific community to keep safety a high priority, Know that risk is the probability of suffering injury or harm from exposure to a hazard, Determine the relative severity of a specific hazard and to give an estimate of the likelihood of exposure under certain circumstances, Identify ways in which the risk can be lowered, Be aware that all laboratory research has risks and that careful planning and preparation are required to mitigate them, Know the importance of reporting laboratory incidents and the lessons that can be learned from the incidents, Understand the value of training, knowing the locations of all emergency equipment, and considering what one would do in the event of emergency.