Four kilograms of an ideal gas are initially at 25° C and 150 kPa in the rigid container of Fig. 6.43. Heat is added until the pressure reaches 900 kPa. Determine the entropy change of gas if it is
a) Air,
b) Nitrogen,
c) Carbon dioxide,
d) Hydrogen. Assume constant specific heats from Table B-6.
Figure 6.43

Transcribed Image Text:

Ideal gas initially at 25 C, 150 kPa