Question: Air is heated from 20 C to 800 C at constant pressure of 200 kPa in a cylinder with an initial volume of 4000 cm3.

Air is heated from 20° C to 800° C at constant pressure of 200 kPa in a cylinder with an initial volume of 4000 cm3. The entropy change, assuming an ideal gas with constant specific heats, is nearest:
(A) 0.0123 kJ/K
(B) 0.0972 kJ/K
(C) 0.563 kJ/K
(D) 3.11 kJ/K

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