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1 - 3 of 3 results for: CHEM31A

CHEM 11: Foundational Concepts and Study Skills for General Chemistry

Chemistry is a central science that provides critical knowledge for many majors. Chem11 is intended as an on-ramp into STEM and the Chem31A/B sequence for students with minimal background in chemistry. Content will focus on the mastery of foundational skills that are only briefly reviewed in Chem31A including unit conversions, dimensional analysis, writing and balancing different types of chemical reactions, and stoichiometry. Lectures will provide active individual and group practice with critical problem solving and study skills necessary for success in college STEM courses. The course will also incorporate mentor groups that will support and travel with students into Chem31A the following year. Prerequisites: Math 18; Placement through the Autumn 2023 General Chemistry Placement Test. Please contact the instructor (Dr. Schwartz Poehlmann, jks425 at stanford.edu) if you have any questions about appropriate course placement.
Terms: Spr | Units: 3

CHEM 31A: Chemical Principles I

31A is the first course in a two-quarter sequence designed to provide a robust foundation in key chemical principles for students with a basic background in high school chemistry, who have already placed into Math 19 or higher. The course engages students in group problem-solving activities throughout the class periods to deepen their ability to analyze and solve chemical problems. Students will also participate in a weekly laboratory activity that will immediately apply and expand upon classroom content. Labs and write-ups provide practice developing conceptual models that can explain qualitatively and quantitatively a wide range of chemical phenomena. The course will introduce a common language of dimensional analysis, stoichiometry, and molecular naming that enables students to write chemical reactions, quantify reaction yield, and calculate empirical and molecular formulas. Stoichiometry will be immediately reinforced through a specific study of gases and their properties. Student more »
31A is the first course in a two-quarter sequence designed to provide a robust foundation in key chemical principles for students with a basic background in high school chemistry, who have already placed into Math 19 or higher. The course engages students in group problem-solving activities throughout the class periods to deepen their ability to analyze and solve chemical problems. Students will also participate in a weekly laboratory activity that will immediately apply and expand upon classroom content. Labs and write-ups provide practice developing conceptual models that can explain qualitatively and quantitatively a wide range of chemical phenomena. The course will introduce a common language of dimensional analysis, stoichiometry, and molecular naming that enables students to write chemical reactions, quantify reaction yield, and calculate empirical and molecular formulas. Stoichiometry will be immediately reinforced through a specific study of gases and their properties. Students will also build a fundamental understanding of atomic and molecular structure by identifying interactions among nuclei, electrons, atoms and molecules. Through both lab and in-class exploration, students will learn to explain how these interactions determine the structures and properties of pure substances and mixtures using various bonding models including Lewis Dot, VSEPR, and Molecular Orbital Theory. Students will identify and quantitate the types and amounts of energy changes that accompany these interactions, phase changes, and chemical reactions, as they prepare to explore chemical dynamics in greater depth in 31B. Special emphasis will be placed on applying content and skills to real world applications such as estimating the carbon efficiency of fossil fuels, understanding hydrogen bonding and other interactions critical to DNA, and calculating the pressure exerted on a deep-sea diver. Prerequisites: Math 18 and Chem11 or placement into Chem31A with Autumn General Chemistry Placement test. All students who are interested in taking general chemistry at Stanford must take the General Chemistry Placement Test before the Autumn quarter begins, regardless of chemistry background, to enroll.
Terms: Aut, Sum | Units: 5 | UG Reqs: GER: DB-NatSci, WAY-SMA

CHEM 31S: STEMentors in Chemistry

STEMentors in Chemistry has been designed to provide timely support for students in CHEM 31A with study and problem-solving skills applicable in both chemistry and STEM courses in general. Students will join a small cohort of other CHEM31A students looking to build community with and support other students in STEM. Weekly sections will focus on group activities and individual check-ins facilitated by a peer mentor who has previously taken the CHEM 31A/B sequence. These activities are designed to normalize challenging experiences within a college science course, build key study skills such as how to effectively review lecture notes and practice problems, prepare for and reflect on exams, and develop a consistent problem-solving process that will build student confidence over the quarter. Students should enroll in a weekly mentor section, occurring on Thursdays. You can read more about our individual mentors here: https://chemistrystementors.sites.stanford.edu/people-0. Co-Requisite: CHEM 31A
Terms: Aut | Units: 1
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