Five moles of an ideal gas are expanded reversibly from a pressure of 5.0 atm to a pressure of 1.0 atm at a constant temperature of 298 K. ANSWER FOR Q= 19937.5J Calculate the value of delta S for the system??????? Calculate the value of delta S for the system?????????? Calculate the value of delta S total?????
Five moles of an ideal gas are expanded reversibly from a pressure of 5.0 atm to...
2.50 moles of an ideal triatomic gas is expanded reversibly and isothermally ( 25 degrees Celsius ) from Pi = 5.00 atm to Pf = 1.00 atm. Sketch a diagram using a piston. Estimate the values of Vi , Vf, delta U, w, q, delta A, delta S, delta H and delta G.
Two moles of oxygen gas, which can be regarded as ideal with ?? = 29.4 J/(K ∙ mol) (independent of temperature), are initially at 298 K in a volume of 12.5 dm3 . The gas is expanded reversibly to 353 K at constant pressure. Calculate the final volume and q, w, ∆U, ∆H, ∆S. (25 points) 4. Suppose that the gas in question 3 is reversibly compressed to half its volume at constant temperature (298 K). Calculate the final pressure...
A sample of n moles of a monatomic ideal gas is expanded isothermally and reversibly at a constant temperature T from a volume V to 3V. Note that since the temperature of the gas is constant, the internal energy will remain constant. a) Write an expression for the change in entropy ΔS for the system. b) The sample has 7 moles of gas and is kept at a temperature of 305 K. The volume is changed from 0.065 m3 to...
1. a) One mole of an ideal gas at 298.15 K is expanded reversibly and isothermally from 1.0 L to 15 L. Determine the amount of work in Joules. b) Determine the work done in Joules when one mole of ideal gas is expanded irreversibly from 1.0 L to 15.0 L against a constant external pressure of 1.0 atm.
7.1.00 mol of an ideal gas at 27°C is expanded isothermally from an initial pressure of 3.00 atm to a final pressure of 1.00 atm in two ways: (a) reversibly; (b) against a constant external pressure of 1.00 atm Determine the values of ASsys, ASsur, AStot. Hint, you may need to begin by computing other functions such as q, w, AH etc. The temperature of the surroundings equals the temperature of the system.
Five moles of nitrogen gas is expanded in a piston-cylinder assembly from an initial state of 3 bar and 88 ºC to a final pressure of 1 bar. You can assume nitrogen to behave as an ideal gas with a constant heat capacity CP =7R/2. a) If the expansion is carried out isothermally and reversibly, calculate Q, W, ΔH and ΔU. Draw the process on a pV diagram. Label the axis and the path clearly. b) If the expansion is...
5.00 moles of an ideal gas are contained in a cylinder with a constant external pressure of 1.00 atm and at a temperature of 523 K by a movable, frictionless piston. This system is cooled to 423 K. A) calculate work done on or by the system, w (J) B. Given that the molar heat capacity for an ideal gas is 20.8 J/mol K, calculate q (J) C. Calculate the change in internal energy for this ideal system,in J
1.50 moles of ideal gas is kept in a container at a pressure of 2.00 atm. At constant pressure, the gas is compressed to half its original volume. If temperature remains constant at 315 K (ΔE = 0), how much heat leaves the system?
An ideal gas expands at a constant total pressure of 2.9 atm from 500 mL to 710 mL . Heat then flows out of the gas at constant volume, and the pressure and temperature are allowed to drop until the temperature reaches its original value. A) Calculate the total work done by the gas in the process. Express your answer to two significant figures and include the appropriate units. W = ________ B) Calculate the total heat flow into the...
1.3 mole of an ideal gas at 300 K is expanded isothermally and reversibly from a volume V to volume 4V. What is the change in entropy of the gas, in J/K?