This page deals with heat transfer resulting from samples of water and another material initially at different temperatures. The problems
are randomly generated when you press the "New Problem" button; data will
will appear in four of the cells. Note that there is only one cell for Tf, since the substances will be at the same final T. Fill in the empty cell and press "Check Answer." The results are displayed in the second table a running total of your score appears.
If you get a question wrong, redo and recheck your answer. Pressing "Show Answer" will cause the correct answer to appear and you will no longer be able to submit an answer for that problem.