It depends on the situation. Suppose the stone is placed in a cup of hot water. It is now endothermic because it absorbs some of the heat. But if it is placed in a cup of frigid water, it is exothermic because it will release some of its heat as it drops in temperature.
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Endothermic or exothermic are terms used for processes, phenomenons, reactions not for materials.
Exothermic. An endothermic reaction absorbs heat , while an exothermic reaction releases it.
freezing is exothermic, melting is endothermic, evaporation is endothermic, condensation is exothermic.
exothermic
Dissociation is an endothermic process.
The process of clothes drying is not a chemical reaction, so it is neither endothermic nor exothermic. It is a physical process where water evaporates from the fabric due to heat energy, resulting in the drying of the clothes.
Freezing is exothermic, as the substance that is freezing loses energy to its surroundings.
The opposite of exothermic is endothermic. Exothermic reactions are those which give off energy in the form of heat. Endothermic reactions require energy.
endothermic
endothermic
it is an endothermic
Exothermic
exothermic
exothermic
Exothermic/endothermic is a process not a feeling.
Exothermic phenomenon
endothermic but don't know why? As AN crystals are formed the reaction is exothermic. Endothermic when it melts back with water. This is the reason AN is used in cold packs.
EXOTHERMIC: any combustion ENDOTHERMIC: evaporation of liquids