3.9 Determine the V initially saturated liquid, is heated to saturated vapor while pressure remains constant at 1.0, 14.7, 100, and 500, each in lbf/in.2 Comment. 3.10 For H₂O, determine the specified property at the indicated state. Locate the state on a sketch of the T-v diagram. (a) T = 140°C, v = 0.5 m³/kg. Find T, in °C. (b) p = 30 MPa, T = 100°C. Find v, in m³/kg. (c) p = 10 MPa, T = 485°C. Find v, in m³/kg. (d) T = 80°C, x = 0.75. Find p, in bar, and v, in bar, and v, in m³/kg. 3.11 For each case, determine the specific volume at the indicated state. Locate the state on a sketch of the T-v diagram. pilotemta (a) Water at p = 1 bar, T = 20°C. Find v, in m³/kg. (b) Refrigerant 22 at p = 40 lbf/in., x = 0.6. Find v, in ft³/lb. (c) Ammonia at p = 200 lbf/in.², T = 195°F. Find v, in ft³/lb. 3.12 For each case, determine the specified property at the indicated state. Locate the state on a sketch of the T-v diagram. 10:00 10% (a) Water at v = 0.5 m³/kg, p = 3 bar, determine T, in °C. (b) Ammonia at p = 11 lbf/in. 11 lbf/in.², T = -20°F, determine v, in ft/lb. (c) Propane at p = 1 MPa, T = 85°C, determine v, in m³/kg. 13 For H₂O, determine the specific volume at the indicated state, in m³/kg. Locate the states on a sketch of the T-v diagram. (a) T = 400°C, p = 20 MPa. (b) T = 40°C, p = 20 MPa.

ONLY B,C,D ( NEED NEAT HANDWRITTEN SOLUTION ONLY OTHERWISE DOWNVOTE).

Ql: A tank contains 0.05 m' of nitrogen (N:) at - 21 C and 10 MPa Determine the mass of nitrogen, in kg, using (a) the ideal gas model (b) data from the compressibility chart Comment on the applicability of the ideal gas model for nitrogen at this state.

Only questions f,g, and h. Please.

3.14 WP SS Ammonia, initially at 6 bar, 40ºC undergoes a constant-specific volume process to a final pressure of 3 bar. At the final state, determine the temperature, in °C, and the quality. Locate each state on a sketch of the T-v diagram.

A piston-cylinder assembly contains nitrogen gas with a mass of my = 0.2 kg. At the initial state (state 1), the pressure and temperature of the nitrogen are P, = 100 kPa and T, = 100 "C, respectively. The nitrogen is compressed in a polytropic process with an exponent n = 1.4. At the final state (state 2), the pressure of the nitrogen gas is P; = 500 kPa. A copper plate inside the cylinder is in thermal equilibrium with the nitrogen gas at both the initial and the final states of the process. The mass of the copper plate is me =0.1 kg. The nitrogen can be treated as an ideal gas. (a) Determine the initial and final volume of the nitrogen gas (i.e., V, and V;). (b) Determine the final temperature of the nitrogen gas (i.e., T;). (c) Determine the total work of the process (i.e., ¡W:).

3. Do specific volume and specific internal energy fix the state of a simple compressible system? If so, how can you use the steam tables to find the state for H20?

Thermodynamic

2. Given a closed container of volume 1 L containing 50 g of helium gas, calculate the following: a. The pressure at T = 6 K, assuming that the gas is an ideal gas. b. The pressure at T of state. = 6 K, assuming that the gas obeys van der Waal's equation c. The pressure at T 6 K, assuming that the gas obeys the virial equation of state truncated after the second term. = d. The state of the fluid at T = 4.2 K. (Hint: 4.2 K is below T. and 50 kg/m³ is greater than p, @ 4.2 K.)

show all work for each step A closed, rigid tank is filled with only saturated vapor (water), initially at 20 bar, is cooled until the pressure is 3 bar. Show the process of the water on a sketch of the T-v diagram and evaluate the heat transfer, in kJ/kg a. Locate the states on the T-v coordinate and process. b.Write your energy balance equation to evaluate the heat transfer c. Determine the specific internal energy at state 1 (u1 )in kJ/kg d. Determine the quality x at state 2 e. Determine the specific internal energy at state 2 (u2) in kJ/kgf. Determine the energy transfer by heat/mass during the process (kJ/kg)