1.00 kg of liquid water at 20.0 ^oC is converted to superheated steam at 1200 ^oC in a boiler operating at constant pressure of 5.00 MPa.

1. Using the temperature dependent heat capacity formula, how much heat is needed? (kJ/kg)

Lomb onwnmitus oE wambaw Total q for T1T2 (liquid to vapor) T1TbliqvapTbT2q1+q2+q3=qq1=R(AL(TbT1)+2BL(Tb2T12)+3CL(Tb3T13))orq1=R(A(T2T1)+2B(T22T12)D(T21T11))q2=qvapq3=R(AV(T2Tb)+2BV(T22Tb2)+3CV(T23Tb3)) or q3=R(A(T2T1)+2B(T22T12)D(T21T11)) Lomb onwnmitus oE wambaw Total q for T1T2 (liquid to vapor) T1TbliqvapTbT2q1+q2+q3=qq1=R(AL(TbT1)+2BL(Tb2T12)+3CL(Tb3T13))orq1=R(A(T2T1)+2B(T22T12)D(T21T11))q2=qvapq3=R(AV(T2Tb)+2BV(T22Tb2)+3CV(T23Tb3)) or q3=R(A(T2T1)+2B(T22T12)D(T21T11))