Spontaneous reactions are chemical reactions that occur naturally without the need for external intervention or assistance. They happen on their own and proceed in a particular direction without any outside influence.
Related terms
Non-Spontaneous Reactions: Non-spontaneous reactions require an input of energy to occur and do not happen naturally on their own.
Entropy: Entropy refers to the measure of disorder or randomness in a system.
Gibbs Free Energy: Gibbs free energy is a thermodynamic quantity that determines whether a reaction can occur spontaneously at constant temperature and pressure.