12. Calculate U during the melting of 5 moles of naphthalene under a pressure of 1 atm, if at the melting point (355 K) the heat of fusion is 4.5 kcal/mol, and the value of dP/dT=2.6*106 Pa/K.

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)