A 2.5 mole sample of an ideal gas expands reversibly and isothermally at 360 K until...
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?
Vol calculate mol sample of an ideal gas expands reversibly and isothermally to a final OL If the initial pressure is 7.0 am and the temperature is 57.0°C (a) the initial volume of the gas (b) the final pressure of the gas (c) the work done in kJ (5) A 2 50 mol sample of an ideal monoatomic gas at 300K expands adiabatically and reversibly from a volume of 15.0 L to 60.0L Calculate the (a) final temperature of the...
Two moles of an ideal gas occupy a volume V. The gas expands isothermally and reversibly to a volume 6 V. A)Is the velocity distribution changed by the isothermal expansion? B)Explain why ? C)Use the equation ΔS=klnw2/w1 to calculate the change in entropy of the gas. D)Use the equation ΔS=Q/T to calculate the change in entropy of the gas. Compare the result in part (d) to that obtained in part (c).
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...
2. One mole of an ideal gas is compressed isothermally and reversibly at 607.0 K from 5.60 atm to 8.90 atm. What are the values of AH and AE for this process? (20 pts.)
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.
3. A sample of 3.0 mole of a perfect gas at 25 °C expands from 5.0 L to 15.0 L. How much are the entropy changes of the system and the surroundings, and the total change in entropy in the following processes: (a) the gas expands reversibly and isothermally; (b)the gas expands isothermally but irreversibly against an external pressure of zero (Pex= 0), and (c) the gas expands adiabatically and reversibly. (20 pts)
0.5 mole perfect gas expands reversibly and isothermally from 10 L to 20 L at 298 K calculate q, w & ∆S?
Half a mole of a perfect gas expands isothermally and at 298.15 K from a volume of 10 L to a volume of 20 L. (a) What is the change in the entropy of the gas? (b) How much work is done on the gas? (c) What is qsurr ? (d) What is the change in the entropy of the surroundings? (e) What is the change in the entropy of the system plus the surroundings? Now consider that the expansion...
7) A 1.20 mole sample of an ideal gas at 28.0°C expands isothermally from an initial volume of 24 dm to a final volume of 75 dm3. Calculate w for the following processes: (a) an expansion against an external pressure of 0.5x 105 Pa (b) a reversible expansion. Please give these quantities in joules. This may involve unit conversion(s).