Chapter 5.3, Problem 2RC

Ice (5.0 g) at 0 °C is added to 25 g of liquid water at 20 °C. Which statement best describes the system when thermal equilibrium is reached?

1. (a) Part of the ice has melted; the remaining ice and water are at 0 °C.
2. (b) All of the ice melts; liquid water is at a temperature between 0 °C and 10 °C.
3. (c) All of the ice melts; liquid water is at a temperature between 10 °C and 20 °C
4. (d) Part of the ice melts; the ice-water mixture is at a temperature between 0 ° C and 10 °C