Chemistry Module 1.1 key points
Chemistry Module 1.1 key points CHEM 101
U of L
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This 2 page Class Notes was uploaded by Allison Blevins on Thursday August 25, 2016. The Class Notes belongs to CHEM 101 at University of Louisville taught by Danielle Franco in Fall 2016. Since its upload, it has received 124 views. For similar materials see INTRO TO CHEMISTRY in Chemistry at University of Louisville.
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Date Created: 08/25/16
Chemistry 8/22-8/24 [Module 1.1]: o Matter: Anything that takes up space and has mass. o Law of Conservation of Matter: The total quality of matter will not change when a substance switches from one type of matter to another (chemical) or switches states (physical). o Atom: Smallest component of an element, that still identifies as the named element. o Molecule: Two or more atoms joined by chemical bonds. o Pure substance: Has constant composition & properties). All units classified are made up of a single molecule. o (Ex. Water. 2 O. Is only composed of water molecules) [composition] (All water has the same boiling point/freezing point) [properties] Elements: Pure substances that cannot be broken down in a simpler substances by chemical changes. Compounds: Pure substances that can be broken down into simpler substances via chemical change. o Mixtures: Are made up of several different substances and have varying properties. Can also be manipulated into different substances by physical changes. o (Ex: Soda. Contains sugar, water, carbon dioxide, etc.) Homogeneous: Mixture with constant composition. (Ex: Soda. All components are soluble in water so they all mix and have an even composition.) Heterogeneous: Mixture with varying compositions. (Ex: Chex Mix. All components are different and do not combine uniformly.) Below is a chart I created that is based from the one in the module. I did not have credit to the original creator, so I did my best to re-write and re-format from what was given. **NOTE** All modules in which I pull notes from are available on Blackboard. As she goes through the notes in class, I highlight the most important points in the module and then simplify and re-write. I try to come up with original examples that she does not state in the module or in class. If you feel that these notes are not sufficient, please refer to the module or textbook. If you are having trouble with the class in general, look into the REACH center. Thank you ☺
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