PIMSO 2025 - Science - Secondary 3 - National Round Question 15

Question 15

1. A glass containing 1 mol of ice held at -10 °C
2. A glass containing 1 mol of H₂O held at 0 °C, constantly interconverting between ice and water
3. A glass containing 1 mol of water held at 40 °C
4. A chamber containing 1 mol of water vapor held at 140 °C