Answered

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What is a spontaneous reaction?
OA. A reaction with a high activation energy
OB. A reaction that occurs without the addition of energy
OC. A reaction with a low activation energy
OD. A reaction that requires an input of energy to occur

Sagot :

Spontaneous reaction is a reaction that occurs without the addition of energy

There are two types of reactions in thermodynamics:

Endothermic reactions -

  • They are chemical reactions in which the reactants absorb heat energy from the surroundings to form products.
  • Endothermic reactions are typically non- spontaneous reactions
  • They generally involve the formation of chemical bonds through the absorption of heat from the surroundings.

Exothermic reactions -

  • An Exothermic reaction is a chemical reaction that involves release of energy in the form of heat or light.
  • Exothermic reactions are spontaneous at room temperature
  • They involve the release of heat energy generated from bond-breakage

Thus we can conclude that spontaneous reaction is a reaction that occurs without the addition of energy

Learn more about exothermic reactions at https://brainly.com/question/24808802

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