Question

Which of the following has a standard Gibbs free energy of formation equal to zero? (i) Br2le) (ii) O2 (ii) NaOH (s) O (ii) only O (i) only O (i) and (ii) O (ii) and (iii) O (i), (ii), and (iii) O (ii) only

Answer 1

3

Step-by-step explanation:

there element are approximately together and substitute themselves