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In: Physics

Consider a function that describes the values of Cp as a function of temperature, relative to...

Consider a function that describes the values of Cp as a function of temperature, relative to the
water vapor (gas), in the temperature range between 100 oC and 700 oC:


Cp(H2 O, g) (J K-1mol-1) = 30.54 + 0.01029T (T / K)


(a) Calculate the amount of heat required to raise the temperature of two moles of water vapor at constant pressure to 100 oC to 500 oC.
b) Calculate the entropy variation associated with the heating process referred to in the previous paragraph.
c) Calculate the variation of the neighborhood entropy resulting from the previous process, assuming that the neighborhood is maintained at a constant temperature of 500 oC.
d) Based on the 2nd Principle of Thermodynamics, evaluate, if justified, if the process described previously occurs reversibly.

Note: I need help mainly on (c) and (d)

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