What is the thermochemical equation of the Hydrogen combines with oxygen in fuel cells to produce steam. It releases heat energy of 571.7 kJ per mole of oxygen gas.

Please show the outright and legible answers/solutions. Thermodynamics  Ideal Gas Sulphur dioxide is circulated as refrigerant in a small refrigerator. SO2 gas at a pressure of 5 bar and temperature 340 K is to be cooled at a constant volume of 0.142 m3, to 293 K as part of the refrigeration cycle. Calculate (a) The heat liberated, (b) The work done by the gas on cooling, (c) The final pressure attained on cooling and(d) The change in enthalpy.Sulphur dioxide may be treated as an ideal gas. The specific heat (J/mol K) is found to vary with temperature (K) according toCP = 25.736 + 5.796 X 10-2 T – 3.8112 x 10-5 T2 + 8.612 x 10-9 T3

Steam expands in a turbine from 6 MPa and 500°C to 0.2 MPa and 150°C at a rate of 1.2 kg/s.Heat is lost from the turbine at a rate of 34 kJ/s during the process. Find the power output of theturbine.

The figure below is the basic plot of pressure vs. volume for the Dual Standard Cycle. Constant pressure heat addition 3 4 = constant Нeat IN Adiabatic expansion Heat OUT (Constant volume heat rejection) Constant volume heat addition Adiabatic compression Volume (V) Using the Dual Air Standard Cycle and the following data: Assume constant properties of air. R= 287 J/kgK; Cp = 1005 J/kgK; Cv = 718 J/kgK;y = 1.4 Cycle compression ratio = 11 (v1/v2) Air conditions prior to compression: Pressure = 1.6 bar; Temperature = 298K Heat added at constant volume = 290000 J/kg Heat added at constant pressure = 579000 J/kg a) Calculate the pressure at the end of the compression process. P2 = bar Pressure (P) LO

calculate the heat required to raise the temperature of 1 mol of methane from 260 to 600 °c in steady flow process at a pressure sufficient low that methane may be considered an ideal gas

es Hot exhaust gases of an internal combustion engine are to be used to produce saturated water vapor at 2 MPa pressure. The exhaust gases enter the heat exchanger at 400°C at a rate of 32 kg/min while water enters at 15°C. The heat exchanger is not well insulated, and it is estimated that 10 percent of heat given up by the exhaust gases is lost to the surroundings. If the mass flow rate of the exhaust gases is 15 times that of the water, determine the temperature of the exhaust gases at the heat exchanger exit and the rate of heat transfer to the water. Use the constant specific heat properties of air for the exhaust gases. The constant pressure specific heat of the exhaust gases is taken to be cp = 1.045 kJ/kg-°C. The inlet and exit enthalpies of water are 62.98 kJ/kg and 2798.3 kJ/kg. Exhaust 400 C 2 MPa sal- vap. 0 Heat exchanger Water 15 0 The temperature of the exhaust gases is The rate of heat transfer is KW. °C. 4

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Water is flowing at the rate of 1.13 kg/s in a 1-2 shell-and-tube heat exchanger and is heated from 45°C to 85°C by oil having a heat capacity of 1.95 kJ/kg-K. The oil enters at 120°C and leaves at 85°C. Calculate the area of the exchanger if the overall heat transfer coefficient is 300 W/m?K. Assume Cp of water of 4.18 kJ/kg-K. K