A 10-g ice cube at -10 $\circ$ C is dropped into 40 g of water at 30 $\circ$ C.After enough time has passed to allow the ice cube and water to come into thermal equilibrium,what is the temperature of the water?

Question

Quizplus · Accepted Answer

The ice will absorb heat to first warm to 0°C, then melt, and finally warm to the equilibrium temperature. The water will cool down. Calculating the heat exchange shows the final temperature is 7°C.

A 10-G Ice Cube at -10 ∘\circ∘ C Is Dropped into 40 G of Water at 30

A 10-G Ice Cube at -10^$\circ$C Is Dropped into 40 G of Water at 30