What are endothermic and exothermic reactions? Learn with Kimavi in just one minute!

Endothermic reactions are chemical reactions that absorb heat from their surroundings. Examples include photosynthesis, melting ice, and dissolving ammonium nitrate.

Exothermic reactions are chemical reactions that release heat into their surroundings. Examples include burning fuels and combusting hydrogen.

Endothermic reactions require energy to proceed, which is why they absorb energy from their surroundings.

Exothermic reactions release energy as they proceed, which is why they release energy into their surroundings.

Endothermic reactions are signified by a negative enthalpy change, while exothermic reactions are signified by a positive enthalpy change.

Endothermic reactions are often characterized by a decrease in temperature, while exothermic reactions are often characterized by an increase in temperature.

Endothermic and exothermic reactions are often used in combination in a process known as calorimetry, which uses the heat of a reaction to measure the energy of a reaction.

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