A | B |
fossil fuel | biomolecules of prehistoric plants and animals |
potential energy | energy associated with position |
kinetic energy | energy related to movement |
chemical energy | released when a chemical reaction takes place |
endothermic | a process that requires the addition of energy |
thermal energy | heat-the energy a material possesses due to its temperature |
exothermic | a process that involves the release of energy |
law of the conservation of energy | energy is niether created or destroyed, it just changes form |
specific heat capacity | the quantity of heat required to raise the temperature of 1 gram of material 1 degree celsius |
heat of combustion | the quantity of heat given off when a certain amount of a substance is burned |
molar heat of combustion | the quantity of energy from burning 1 mole of a substance |
cracking | the process of converting large hydrocarbon molecules into smaller ones |
catalyst | increases the speed of chemical reactions |
octane rating | a number used to measure the combustion efficiency of gasoline |
oxygenated fuels | fuels in which their molecules contain oxygen as well as carbon and hydrogen that contain |
methanol | an oxygenated fuel used to increase the octane level of gasoline |