Multiple choice The energy liberated during the conversion of ATP into ADP is -73000 cal/mol -686000 cal/mol -8000 cal/mol -7300 cal/mol - Reveal answer Fill a bubble to check yourself D Correct answer Explanation In the hydrolysis of ATP to ADP plus phosphate (Pi), ΔG°′ = -7.3 kcal/mol or -7300 cal/mol is produced.