Which experiment releases the most energy as heat?
- Ainitial temperature $20^\circ\text{C}$; final temperature $5^\circ\text{C}$
- Binitial temperature $20^\circ\text{C}$; final temperature $32^\circ\text{C}$
- Cinitial temperature $25^\circ\text{C}$; final temperature $12^\circ\text{C}$
- Dinitial temperature $25^\circ\text{C}$; final temperature $34^\circ\text{C}$