. Two kilograms of air at a pressure of 2.25 MPa and temperature of 27C is heated at constant volume to a final pressure of 2.5 MPa. Compute for the: a. Change in internal energy b. Change in enthalpy c. Change in entropy d. Heat transferred e. Non-flow work

Hi, I need to go over this problem, but how do you find To and Po. Can you walk me through every question that I state on the paper? Thanks

An Isobaric process is done on steam where it is heated to 200 C at 1.1 MPa. It was initially a kilogram of saturated liquid. Find the change in volume, change in internal energy, change in enthalpy, and change in entropy. (0.1848 m3, 1837.31 kJ, 2040.66 kJ, 4.4609 kJ/k) Table 3. Vapor pt Sat.) 1.10 (I4.09) 1.15 (I6.07) 10 Set. 177.53 2586.4 2781.7 6.5535 170.13 2587.7 27833 6.5381 175 100 185 190 195 4.4726 172 50 2547.9 2757.6 175.28 2572 27710 178.02 25882 2784.0 6.3387 180.71 2598.1 2796.9 183.36 2607. 2809.5 14.20 2564 27336 164.91 25732 2767.2 3028 L69.37 23835 27405 6.5004 6.5866 6.6137 63603 6.5878 174.75 2605.4 2806.4 200 205 210 215 220 185.97 2617.4 2822.0 6.6401 188.56 2626.8 2834.2 6.6659 191.11 2636.1 2846.3 193.63 2645 3 28583 196.13 2654.3 2870.1 6.6911 6.7157 6.7398 177.28 2615.1 2819.0 6.6146 179.77 2624.6 28314 6.6407 182.24 2634.0 2843.6 6.6661 184.68 2643.3 2855.7 6.6910 187.09 2652.5 2867.6 6.7154 225 230 235 240 245 198.60 2663.3 28818 6.7634 201.05 2672.2 2893.4…

Please provide the correct solution including the free body diagram. Thanks

4

200Kg/min superheated steam at 40 bar and 350C enters a turbine through a 7.5cm ID pipe. It exits at 5bar as saturated steam through a 5cm ID pipe neglect the change in potential energy of the system. What is the temperature of the outlet saturated system? How much energy is transferred to or from the turbine?

Given : STEADY STATE COMPRESSOR INLET PRESSURE: IN LET VOLUMETRIC AIR Ask: is elbf/in² FLOW RATE 5 ft³/s POLY TROPIC GOES THROUGH DIAMETER (INCHES) OF FOR EXIT PRESSURE AND EXIT VELOCITY OF PROCESS Pv¹.5 = constant EXIT PIPE 160 lbf / in 2 145ft/s.

In previous solution someone took value of u1 and u2 ,does it required? It's constant Temperature process.

K 1.calculate virtual temp of air with an actual temperature of 25C and pressure of 950hpa, and the following characteristics. i) no water vapor and with no condensed water; ii) at 50% relative humditiy, and iii) saturated with water vapor and with no condensed water.

Calculate the energy requirement to raise the temperature of 1 kg of water from 60 ° C of water to 100 ° C using the following approach; a. Use of mean specific heat = .... kJ. b. Enthalpy change in water - vapor saturation table  = .... kJ.