Consider a specimen of ice that is at -10°C and 1 atm pressure. Using Animated Figure, the pressure- temperature phase diagram for H₂O, determine the pressure to which the specimen must be raised or lowered to cause it (a) to melt, and (b) to sublime. (a) i 750 (b) i 003 eTextbook and Media Save for Later atm atm Assistance Used Attempts: 2 of 3 used Submit Answer

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Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.