Emergence of Modern Science Dr. Hoge

Chemistry questions What are acids and bases? What is a solution, and how are they useful? What is a solvent? Can we dissolve? What is oxidation? Combustion? Can we rust? Combust? What are polymers and how are they useful? What are hydrocarbons and why are they important?

Chemistry Chemical Bonds Ionic Bonds Covalent Bonds Hydrogen Bonds Van der Waals Forces

Ionic Bonds

Covalent Bonds

Molecules Elements Compounds Chemical Formulas

Polarization Water is a polar molecule Dipole Moment

The State of the Matter Gases Plasma Liquids Solids

Types of Solids Elements and Compounds Crystals Glasses Polymers

Changes of State Freezing/Thawing Evaporation/Condensation Sublimation

Solutions Mixtures Solutions Solvent Solute Concentration Supersaturation

Types of Solutions Air (gas in gas) Southern Iced Tea (solid in liquid) Foams (gas in solid or liquid) Gels (liquid or solid in gas) Alloys (solid in solid)

Solvents Water is the universal solvent Organic solvents Surfactants

Chemical Reactions Reactants Products Activation Energy Chemical Equations

Types of Chemical Reactions Solution Chemistry Precipitation Reactions Acid/Base Reactions Polymerization/Depolymerization

Reduction and Oxidation In other words: Digestion Rust Burning Explosions

Solution Chemistry

Hydrocarbons Simple Hydrocarbons Organic Molecules

Quiz 1. T or F, an ion is an atom with more or less electrons than protons. 2. T or F, covalent bonds form when atoms share electrons. 3. T or F, both gases and liquids are fluids. 4. T or F, a gel is a solution of a gas in a liquid. 5. T or F, hydrocarbons are held together by ionic bonds.

We’ll Get Back to Organic Chemistry