Chemistry: Notes I took in class on Heat and Energy.

Energy- the ability to do work or produce Heat *Potential *Kinetic Potential Energy- Energy that is stored; comes from composition or position of object Ex: Energy stored in foods and fuels energy possessed by H2O behind a dam Chemical Potential Energy- Stored Energy held within the bonds that hold atoms or molecules together. Some molecules hold more energy than others. Ex: Fuels like gasoline Ex: Foods like carbs Kinetic Energy- Energy in motion. Kinetic …showed first 75 words of 262 total…

…showed last 75 words of 262 total…destroyed. It can only change forms into other matter or energy. YOU NEVER DESTROY MATTER!! Ex:<Tab/>A + B à AB <Tab/>40g + B à 70g <Tab/>B à 30g Phases of Matter Evaporation- liquid to gas Condensation- gas to liquid Sublimation- solid to gas Precipitation- gas to liquid Freezing- liquid to solid Melting- solid to liquid