Question

A gas contained in a closed rigid container is heated from initial temperature and pressure of...

A gas contained in a closed rigid container is heated from initial temperature and pressure of 270C and 2 bar to a final pressure of 12 bar. Calculate final temperature, Work done, Heat transfer and change in Internal Energy. (Take Cv as 0.873 kJ/kg K. and Mass of the gas = 1kg)

Engineering   Mechanical-Engineering   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Water, initially saturated vapor at 14.6 bar, fills a closed, rigid container. The water is heated...
Water, initially saturated vapor at 14.6 bar, fills a closed, rigid container. The water is heated until its temperature is 200°C. For the water, determine the heat transfer, in kJ/kg. Kinetic and potential energy effects can be ignored.
Steam is contained in a closed rigid container with a volume of 2 m3 . Initially,...
Steam is contained in a closed rigid container with a volume of 2 m3 . Initially, the pressure and the temperature of the steam are 7 bar and 400°C, respectively. The temperature drops as a result of heat transfer to the surroundings. i. Determine the temperature at which the condensation first occurs in °C. [6 marks] ii. Evaluate the fraction of the total mass that has condensed when the pressure reaches 0.75 bar. [4 marks] iii. Calculate the volume in...
Steam is contained in a closed rigid container with a volume of 2 m3 . Initially,...
Steam is contained in a closed rigid container with a volume of 2 m3 . Initially, the pressure and the temperature of the steam are 7 bar and 400°C, respectively. The temperature drops as a result of heat transfer to the surroundings. i. Determine the temperature at which the condensation first occurs in °C. [6 marks] ii. Evaluate the fraction of the total mass that has condensed when the pressure reaches 0.75 bar. [4 marks] iii. Calculate the volume in...
Consider a mole of an ideal monatomic gas, Xe, inside a container with rigid walls. The...
Consider a mole of an ideal monatomic gas, Xe, inside a container with rigid walls. The ideal gas is heated up as a flame is applied to the container’s exterior. The molar mass of Xe is 0.131 kg. The gas does not transfer any heat to the container. Answer the following questions. A.) Before the flame is lit, the pressure of the gas inside the container is 10.1x10^5 Pa and the temperature of the gas is 295 K. If at...
Air is contained in a rigid, well-insulated container of volume 3 m3. The air undergoes a...
Air is contained in a rigid, well-insulated container of volume 3 m3. The air undergoes a process from an initial state with a pressure of 200 kPa and temperature of 300 K. During the process, the air receives 720 kJ of work from a paddle wheel. Model the air as an ideal gas with constant specific heats. Evaluate the specific heats at 300 K. Neglect changes in kinetic energy and potential energy. Determine the mass of the air in kg,...
A closed, rigid, 0.40 m3 tank is filled with 12 kg of water. The initial pressure...
A closed, rigid, 0.40 m3 tank is filled with 12 kg of water. The initial pressure is p1 = 20 bar. The water is cooled until the pressure is p2= 4 bar. Determine the initial quality, x1, and the heat transfer, in kJ.
Oxygen gas is contained in a piston cylinder assembly at an initial pressure of 1000 kPa...
Oxygen gas is contained in a piston cylinder assembly at an initial pressure of 1000 kPa and expands from 0.2 m3 to 1.0 m3 by a process where PV = constant. The gas has an internal energy change of -200 kJ. Calculate the work (kJ) and the heat transfer (kJ) done during the process.
Water of mass 2 kg in a closed, rigid tank is initially in the form of...
Water of mass 2 kg in a closed, rigid tank is initially in the form of a twophase liquid-vapor mixture. The initial temperature is 50° C. The mixture is heated until the tank contains only saturated vapor at 110° C. (i) Find the initial pressure, in kPa. (ii) Find the work for the process, in kJ. (iii) Find the heat transfer for the process, in kJ.
An ideal monatomic gas is contained in a vessel of constant volume 0.330 m3. The initial...
An ideal monatomic gas is contained in a vessel of constant volume 0.330 m3. The initial temperature and pressure of the gas are 300 K and 5.00 atm, respectively. The goal of this problem is to find the temperature and pressure of the gas after 24.0 kJ of thermal energy is supplied to the gas. (a) Use the ideal gas law and initial conditions to calculate the number of moles of gas in the vessel. Your response differs from the...
(d) In a closed industrial process 2 .5 kg of water at an initial temperature of...
(d) In a closed industrial process 2 .5 kg of water at an initial temperature of 15°C is continually stirred whilst being heated. If the net heat transferred to the system is 3 kJ and the final temperature of the water is 75°C, determine: i.The internal energy change of the water ii.The work transferred (stating the direction-in or out)of the mechanical stirrer. iii.The additional heat flow required for the same temperature increase if there were no work transfer. For parts...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT