A 50 kg block of aluminum experiences a pressure change from 100 kPa to 50 MPa, while the temperature increases from 50C to 100C Estimate its change in entropy Use b 7 10 5 K 1, Cp 0 9 kJ kgC, and r 2700 kg m3 What is the contribution due to the pressure increase ...

The entropy change due to temperature and pressure chan ...

A 50-kg block of aluminum experiences a pressure change from 100 kPa to 50 MPa, while the

Question:

A 50-kg block of aluminum experiences a pressure change from 100 kPa to 50 MPa, while the temperature increases from 50ºC to 100ºC. Estimate its change in entropy. Use b = 7 × 10-5 K-1, Cp = 0.9 kJ/kg∙°C, and r = 2700 kg/m3. What is the contribution due to the pressure increase?