Question

2-Assuming ideal gas and constant Cp, calculate [capital delta S with hat on top] (in kJ/(kg?K))...


2-Assuming ideal gas and constant Cp, calculate [capital delta S with hat on top] (in kJ/(kg?K)) for a process where nitrogen is heated from 200 K to 800 K while changing the pressure from 2000 kPa to 1000 kPa.
1-Using the thermodynamic tables, calculate [capital delta S with hat on top] (in kJ/(kg?K)) for a process where nitrogen is heated from 200 K to 800 K while changing the pressure from 2000 kPa to 1000 kPa.

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An ideal gas (Cp = 30 kJ / kmol.K) at 1 MPa and 295 K, enters...
An ideal gas (Cp = 30 kJ / kmol.K) at 1 MPa and 295 K, enters a thermally and mechanically isolated device. Half of the gas with the flow rate of 1 kmol / s is leaving the device at 355 K and 100 kPa, the other half of the gas is leaving the device at 235 K and 100 kPa. Is this process suitable for thermodynamic laws?
Air with a mass of 2 kg is heated at a constant pressure of 200 kPa...
Air with a mass of 2 kg is heated at a constant pressure of 200 kPa to a temperature of 500°C. Calculate the entropy change if the initial volume is 0.8 m3. Take ???? = 1.00 kJ/kg ? K and model air as an ideal gas. (Hint: Use the appropriate TdS [Gibbs] relation to calculate entropy change.)
For the reaction I2(s)--->2I(g), delta Ho=+213.6 kJ and delta So=+245.2 J/K. (a) Calculate delta Go. Is...
For the reaction I2(s)--->2I(g), delta Ho=+213.6 kJ and delta So=+245.2 J/K. (a) Calculate delta Go. Is the reaction spontaneous at this temp? Is the reaction spontaneous at this temp? (b) Calculate delta G at 250o C. is the reaction spontaneous at this temp? (c) At what Celcius temp will this reaction be spontaneous? (d) Calculate the thermodynamic equilibrium constant for this reaction at 25oC. Will this be Kp or Kc ? (e) If this reaction occurred in a closed vessel...
1- A certain amount of O2, as an ideal gas, is contained in a cylinder-piston system...
1- A certain amount of O2, as an ideal gas, is contained in a cylinder-piston system and develops a process from T1 = 300 K, P1 = 200 kPa to T2 = 1500 K and P2 = 150 kPa. Determine the specific entropy change in kJ / (kg K). 2- A certain amount of H2O in a closed rigid cylinder is cooled from T1 = 800 ° F and P1 = 100 lbf / in2 to P2 = 20 lbf...
Use cold-air-standard analysis with the fluid modeled as an ideal gas with R=0.287 kJ/kg-K and constant...
Use cold-air-standard analysis with the fluid modeled as an ideal gas with R=0.287 kJ/kg-K and constant k=1.4. Neglect changes in kinetic and potential energy. Consider a SSSF of air at 300 K and 100 kPa entering the compressor of a Simple Brayton Cycle Gas Turbine powerplant. The cycle pressure ratio is 40 and maximum cycle temperature is 1800 K. For compressor isentropic efficiency of 82% the compressor work input per unit mass = __ kJ/kg (enter the nearest positive integer...
Assuming that CO2 is an ideal gas, calculate ∆H° and ∆S° for the following process: CO2(g,...
Assuming that CO2 is an ideal gas, calculate ∆H° and ∆S° for the following process: CO2(g, 298.15 K, 1 bar) → CO2(g, 1000 K, 1 bar) given: Cp,m = 26.6 + 42.2×10-3 T –142.4×10-7 T^2 in J K-1 mol -1. Hint  ∆S°= integrate :nCp.m dT/T
A piston-cylinder assembly containing 3 kg of an ideal gas undergoes a constant pressure process from...
A piston-cylinder assembly containing 3 kg of an ideal gas undergoes a constant pressure process from an initial volume of 48 m3 to a final volume of 30 m3 . During the process, the piston supplies 1.2 MJ of work to the gas. The gas has a constant specific heat at constant volume of 1.80 kJ/(kg∙K) and a specific gas constant of 1.48 kJ/(kg∙K). Neglect potential and kinetic energy changes. a. Determine the initial specific volume of the gas in...
1) A nozzle is a device for increasing the velocity of a steadily flowing stream of...
1) A nozzle is a device for increasing the velocity of a steadily flowing stream of fluid. At the inlet to a certain nozzle the enthalpy of the fluid is 3025 kJ/kg and the velocity is 60 m/s. At the exit from the nozzle the enthalpy is 2790 kJ/kg. The nozzle is horizontal and there is negligible heat loss from it. (i) Find the velocity at the nozzle exit. (ii) If the inlet area is 0.1 m2 and specific volume...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT