A closed test tube of 50 cm3 contains two phases of H 2 O at T 1 = 100°C (Figure P8.58). The test tube is heated slowly to T 1 = 360°C. For each of the three following initial values of quality (i) x...

A closed test tube of 50 cm3 contains two phases of H₂O at T₁
= 100°C (Figure P8.58). The test tube is heated slowly to T₁
= 360°C. For each of the three following initial values of quality (i) x₁
= 0.125, (ii) x₁
= 0.025, and (iii) x₁
= 0.005

a. Find the initial state in the tube.

b. Find the final state in the tube.

c. Find the heat interaction.

d. In what direction would the interface move in each case?

e. Find the change of entropy of everything involved in the process.