guys, i'm having difficulty in solving this problem. Two vessels, one having 3 times volume of the other, are connected through narrow tube of negligible volume. The initial temperature is 290K. The small vessel is then cooled down to 250K while the large vessel is heated up to 400K. What is the final pressure? Please help me with this. Any pointer will do. Thanks I tried to use the equation of state (PV=nRT) of both vessel but I could not get the answer. All i get is the ratio between the final mass of small vessel and the final mass of large vessel.