the answer is pretty much the same as why freezing is an exothermic reaction-- because the release of energy is occurring as bonds are forming. to form bonds, energy must be inputted or it won't happen naturally. this might lead one to think that it is endothermic but it's not. you have to think of it in terms of the energy of the particles forming the bond.
the particles that will later form the bonds have higher energy to begin with because they have more entropy. when the bond forms, the particles will give off energy in order to sort of move less. they are being ordered, against nature, therefore have less energy.
you can kind of think of it like gas particles coming together to form a liquid. the particles that used to be zooming around are more organized and cannot move as much
in all exothermic reactions the reactants will have higher energy than the products.
Freezing is exothermic, as the substance that is freezing loses energy to its surroundings.
Exothermic/endothermic is a process not a feeling.
endothermic reaction a positive enthalpy.
I suppose that is an endothermic process.
Crystallization is considered an exothermic process. Hand warmers use the process of sodium acetate crystallization to produce heat.
Breaking bonds produces energy making it an exothermic process.
Breaking bonds is an endothermic process because energy is required to overcome the attractive forces holding the atoms together in a bond. When bonds are broken, energy is absorbed from the surroundings, making it an endothermic reaction. Conversely, forming bonds is an exothermic process because energy is released when new bonds are formed, resulting in a net release of energy.
The process of breaking bonds is endothermic, meaning it requires energy input to break the bonds.
The process is endothermic because the water is absorbing heat from the kettle. When energy (heat) is released as steam this is exothermic.
The formation of chemical bonds releases energy. It is an exothermic process. The breaking of chemical bonds takes energy. It is an endothermic process.
Freezing is exothermic, as the substance that is freezing loses energy to its surroundings.
Exothermic/endothermic is a process not a feeling.
An endothermic compound absorbs heat or energy from its surroundings during a chemical reaction, causing a decrease in temperature. An exothermic compound releases heat or energy into its surroundings during a chemical reaction, causing an increase in temperature.
It is an endothermic process.
endothermic
Dissociation is an endothermic process.
Fission is an exothermic process.