Option( A) is the correct answer.
A chemical reaction in which energy is released is exergonic.
Exergonic reactions are defined as chemical reactions in which the change in free energy is negative in chemical thermodynamics (there is a net release of free energy). If the system is closed and the end and beginning temperatures match, this suggests a spontaneous response. The Gibbs free energy is employed for processes that occur in a closed system at constant pressure and temperature, whereas the Helmholtz energy is significant for processes that occur at constant volume and temperature. The second rule of thermodynamics states that any reaction that takes place at a steady temperature without the addition of electrical or photon energy is exergonic. Cellular respiration is one illustration.
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