Here's a problem to solve: Which of the water samples described below has the greatest average kinetic energy per molecule?

Among the 4 following options, which is the correct answer?

- A: 1 liter of ice at a temperature of -50°C
 
- B: 10 liters of ice at a temperature of -75°C
 
- C: 1 liter of water at a temperature of 75°C
 
- D: 10 liters of water at a temperature of 50°C
 