An organism utilizes the energy released and the water molecules formed by the combination reaction of hydrogen gas (H₂) and oxygen gas (O₂).
The formation of water from the reaction of hydrogen and oxygen gas is an exothermic reaction. The reaction of two molecules of hydrogen gas (H₂) with one molecule of oxygen gas (O₂) requires a certain amount of activation energy to form one water molecule (H₂O).
Along with the formation of water molecules, a certain amount of energy is also released in the form of heat.
The balanced chemical reaction equation is: -
2H₂ + O₂ → 2H₂O
Therefore, the energy released by the above reaction is further utilized by the organism for its metabolism.
Learn more about the chemical reaction for water formation here: -
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