What regulates the movement of molecules into and out of the cytoplasm

A0.750 kg aluminum pan is removed from the stove and plunged into a sink filled with 10.0 kg of water at 293 k. the water temperature quickly rises to 297 k. what was the initial temperature of the aluminum pan? the specific heat of aluminum is ca = 900 j/(kgk) and water is cw = 4190 j/(kgk)

First to answer will be the brainliest i need the answer asap

What difference are found in the propagation of sound in the media solid,liquid and gas