Agenda
- Page ID
- 159188
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Lecture Details:
Lecture 1: 8/28/2019 (Introduction)
Welcome to General Chemistry! In this first lecture, we will introduce some of the big ideas that we'll cover this semester as well as how the course is structured overall. Importantly we'll also talk about what it takes to succeed in General Chemistry at Hope College. We want you all to succeed in this class!
Math is a key tool in chemistry so Homework 0 is intended to help you measure your preparedeness for this class. Please complete this assignment soon and if you have difficulty see your instructor right away.
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Assumed Knowledge
Although nothing in specific is assumed to be known before this class, we will move fairly quickly through Chapter 1, so anything you can do to review on your own will be helpful. Use class time, discussion, and office hours as a chance to ask questions.
Lecture 2: 8/30/2019 (Matter, sig figs, unit conversion)
The first set of readings below should be mostly review for you. Whether from a physical science class or a high school chemistry course. However, it is critical that everyone reviews this large set of readings to be sure we all start on the same page. Remember: in science we deal in quantities, which are a number with a unit. The unit tells us how to interpret the magnitude and convert between measuring systems.
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Lecture 3: 9/2/2019 (Atomic structure, isotopes, average atomic mass)
The atomic theory is the basis for understanding how matter exists around us and interacts with itself. What makes up an atom? How do we define its structure and organize properties of different types of atoms? What types of atoms behave the same (isotopes) and what defines them as different elements?
Lecture 4: 9/4/2019 (Periodic Table, molecules and ionic compounds, organic compounds, naming compounds)
We've all seen the periodic table, but maybe we haven't explored why it's called "periodic" - or what that word even means! We'll talk about the table itself, how it gets its structure, and how we use the names of the elements to give different compounds their names.
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Lecture 5: 9/6/2019 (The mole, molar mass, writing chemical equations)
At this point, we have uncovered the structure of atoms, the periodic table, and the types of compounds different elements can make together. Now, we will discuss more detail about how we quantify these compounds by counting their atoms or molecules, looking at their masses, and measuring out quantities that make sense in the real world and are helpful in understanding their interactions.
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Lecture 6: 9/9/2019 (Stoichiometry)
It's a fancy word, but the idea behind stoichiometry is fairly simple: we want to know how various quantities of a compound react and what amounts of products we can form given a chemical reaction. We'll look at chemical equations, first, and then delve into the math behind stoichiometry. There are tons of worksheets available online with sample problems, but just keep asking yourself: is this a count of how many molecules react, or is it a measurement of something in the lab?
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Lecture 7: 9/11/2019 (%Composition, empirical and molecular formulas)
Some reactions can be helpful in determining what elements a substance is made of. This semester in lab, you will be analyzing an unknown crystal with an unknown formula. What are we trying to do with that crystal? What does it mean to have a "formula" for a substance?
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Lecture 8: 9/13/2019 (Review 1)
Today we will review what we have covered thus far. You should check your instructors Google Drive (link at the top of the page) for additional resources they may have provided you with to study for the exam. Review sessions work best if you have already reviewed on your own prior to coming. That way you can ask your instructor questions!
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Exam 1 (Monday): 9/16/2019 (Lectures 1 - 8)
Please arrive a few minutes early with a calculator, pencil, and eraser.