CSU CHEM 111 - Exam 1 Study Guide (13 pages)

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Exam 1 Study Guide



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Exam 1 Study Guide

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A study guide including basic concepts and definitions of chemistry up to wavelength and kinetic energy.


Pages:
13
Type:
Study Guide
School:
Colorado State University- Fort Collins
Course:
Chem 111 - General Chemistry I (GT-SC2)

Unformatted text preview:

CHEM 111 1st Edition Exam 1 Study Guide Lectures 1 7 Lecture 1 August 27 Basic definitions and things you will need to understand Chemistry matter mass energy atoms molecules and chemical bonds States and Classes of Matter List the three physical states of matter Then describe their microscopic and macroscopic properties Physical State Solid Liquid Gas Microscopic Properties Molecules are packed together touching each other Molecules are organized in patterns Molecules are packed together touching each other Molecules are disorganized Molecules are far apart Molecules are disorganized Macroscopic Properties High density Density is hard to change resists compression or expansion Shape is hard to change resists twisting or bending does not flow High density Density is hard to change resists compression or expansion Shape changes easily flows Low density Density is easy to change easily compressed or expanded Shape changes easily flows Explain the differences between pure substances compounds and mixtures Pure substances An atom elements from the periodic table o Example Na Sodium Cannot be separated into simpler substances because they are already in their simplest form Compounds A combination of two or more different elements that form a molecule o Ex H2O water Mixtures A substance made by combining two or more compounds without them chemically bonding When a substance is made of molecules it s easy to tell the difference between a mixture and a compound In a sample of a compound there can only be one type of molecule In a sample of a mixture there will be more than one type of molecule Just be aware of and understand that mixtures can be separated by three techniques 1 Distillation 2 Filtration 3 Chromatography Lecture 2 August 29th TITLE OF SOME SORT Properties of Matter Introduction to the Cardiovascular System Definitions to know Chemical Properties A behavior or characteristic of a substance that can be seen when it undergoes a chemical change or reaction



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