FIGURE P3-118E = 3-119 The piston diameters in Fig. P3-119 are D₁ = 4 cm. Chamber 1 contains 1 kg of helium, 10 cm and D2 chamber 2 is filled with condensing water vapor, and cham- ber 3 is evacuated. The entire assembly is placed in an envi- ronment whose temperature is 200°C. Determine the volume of chamber 1 when thermodynamic equilibrium has been established. Answer: 3.95 m³ P2 P₁ D₁ k W 40 3- 40 th P3 ri th FIGURE P3-119 3-120E The piston diameters in Fig P3_119 are D. = 3 in 3