1. When you put an ice cube in a glass of warm tea, which of the following happens?
(a) Cold flows from the ice cube into the tea.
(b) Cold flows from the ice cube into the tea and heat flows from the tea into the ice cube.
(c) Heat flows from the tea into the ice cube.
(d) Neither heat nor cold flows. Only temperature flows between the ice and the tea.
2. Both beakers A and B in Fig. 14-15 contain a mixture of ice and water at equilibrium. Which beaker is the coldest, or are they equal in temperature?

(a) Beaker A.
(b) Beaker B.
(c) Equal.

A