Chapter 4: Energy from Combustion The primary …

Chapter 4: Energy from CombustionThe primary means of generating Energy for humanendeavors is the Combustion of :Coal-burned in power plantsGasoline-burned in automobilesNatural gas-heatingHeating oil , charcoal,wood,candles,.. Combustion (burning in air) releases thechemical energystored in the chemical bondsof the rate of use/consumption of fuels is fossil fuels supply is not fuels took millions of years to produce and products from the burning of fuels adversely affectthe soot, CO, Hg,SOx,NOx global warming, acid rain, poor air and water governing Energy transformation from limitation of converting all Energy in a fuels tousable content of different fuels (made up of differentchemical compounds).Recent attempts at using Biofuels .Coal (70% in US) generates electricity in power of coal produces heat to boil water in a closed,high pressure turbine to create electricityThighTlowCoil of wire rotatingin a magnetic fuelsFossil FuelsPartial decompositionunder pressure and hightemperature(buried)Fossil fuelsCO2+ H2O+ Energy + sunlightCO2+ H2 OThe potential Energy stored in fossil fuels are the sun senergy captured, millions of years ago by the capacity to do movement against a force (w = f d).

Chapter 4: Energy from Combustion The primary means of generating energy for human endeavors is the combustion of fuels. Fuels: Coal -burned in power plants ... 4.1 Heat is a consequence of motion at the molecular level; temperature is a measure of the average speed of that motion.

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