see explanation below.
Work Step by Step
dG sys< 0 indicates spontaneous reactions which occur in galvanic cells. dG > 0 an increase in energy occurs in electrolytic cells where non spontaneous reactions occur
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.