1. A gas is cooled from 250°C, and it is found that the entropy change is –0.1427 kJ/ kg·K. Assuming that the appropriate specific heat for the process is 1.4876 kJ/ kg·K, determine the temperature after cooling.
2. A gas is heated at constant pressure from 100°F. If cp = 0.31 Btu/lbm·°R and the entropy change is 0.2107 Btu/lbm·°R, determine the upper temperature.
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