Two pots are identical except that the flat bottom of one is aluminum, whereas that of the other is copper. Water in these pots is bo away at $100\mathrm{.}0C$ at the same rate. The temperature of the heating element on which the aluminum bottom is sitting is $167C.$ Assu that heat enters the water only through the bottoms of the pots and find the temperature of the heating element on which the copp bottom rests.

$T_{Cu}=$