define enthalpy change
define enthalpy change applied to a chemical reaction
define standard enthalpy change
define enthalpy of combustion
define enthalpy of formation
why is enthalpy of formation of an element = 0
define activation energy
draw exothermic energy profile diagram
draw endothermic energy profile diagram
energy to make bonds (endothermic or exothermic)
energy to break bonds (endothermic or exothermic)
in an endothermic reaction….
in an exothermic reaction…..
respiration (endothermic or exothermic)
combustion of fuels (endothermic or exothermic)
photosynthesis (endothermic or exothermic)
evaporation of water (endothermic or exothermic)