The combustion is exothermic.
freezing is exothermic, melting is endothermic, evaporation is endothermic, condensation is exothermic.
Freezing is exothermic, as the substance that is freezing loses energy to its surroundings.
Silicon is an element - endothermic or exothermic is meaningless.
Exothermic reaction.
exothermic- because exothermic gives off heat and endothermic is cold
exothermic
Exothermic
exothermic
exothermic
endothermic
endothermic