
Here,R=0.082L,atm.mol-1.K-1.Thus,T1=357.52K.In this cycle of expansion and compression process,
taking equivalent to ideal gas processes,q is zero in 1st n 3rd porcess and q=(P2-P1)(v2-v1)=(60-37)0.54-0.25)=12.17J.
b)In a reverse process,the q value is negative value of this value=-12.17J
. Consider the van der Waals gas for which: a = 3.59 t.atrn/mole" b-0.0427 Umole One...
The van der Waals equation of state for a real gas is (P+ ) (V - nb) = nRT At what pressure will 1.00 mole of CH4 be in a 10.0 L container at 298 K assuming CH4 is a real gas. (van der Waals constants for CH4 are α = -2.253 L2 atm mol-2. b = 0.04278 L mol-1) 2.43 atm 2.28 atm 2.51 atm 24.5 atm 0.440 atm
3 pts Question 4 ay с Calculate the pressure (atm) of 1 mole of hydrogen gas at 298 K using the Van der Waals equation for a gas in a 30.0 L flask 3 pts Question 5 Calculate the pressure (atm) of 1 mole of hydrogen gas at 298 K using the Van der Waals equation for a gas in a 1.00 L flask 3 pts Question 6 Calculate the pressure (atm) of 1 mole of hydrogen gas at 298...
physical chemistry
4. Consider He to be a van der Waals gas. One mole of He is expanded adiabatically in a piston and cylinder from a volume of 1.0 l to 2.0 l. During the process, the temperature of the gas drops by 0.138 K (i.e. from 300.000 Kto 299.862 K). For He a = 0.0341 atm-e-/mole- and b=0.0238 l/mole. Find Cy for He.
(a) Show that the entropy change of a Van der Waals gas for an isothermal change V1 to V2 is: ΔS = nR ln (V2 - nb / V1 - nb) (b) Calculate ΔS for expanding on mole of NH3 from 2 dm3 to 20 dm3. Compare this to the ideal gas result. b = 0.0371 dm3/mol
For a Van der Waals gas, the following equations hold. P = nRT/(V−nb) − a(n/V)2 dU = CV dT + a(n/V)2 dV For chlorine gas, CV,m = 25.6 J K−1 mol−1, a = 6.343 bar L2 mol−2, and b = 0.0542 L mol−1. Calculate q, w, ΔU, and ΔH, in joules, when one mole of chlorine gas is expanded isothermally and reversibly at 449 K from 7.0 L to 15.0 L.
Use the van der Waals equation and the ideal gas equation to calculate the volume of 1.000 mol of neon at a pressure of 500.0 bar and a temperature of 355.0 K. (Hint: One way to solve the van der Waals equation for V is to use successive approximations. Use the ideal gas law to get a preliminary estimate for V ITS 500BAR use bar please not ATM
A van der Waals gas has an "a" constant of 1.485 L' atm mol2 and a"b' constant of 3.985 x 102 L mori, calculate the value of-( )(or), for this van der Waals gas at a molar volume of 450 cm3 mol1 and a temperature of 100 °C. Include units
2. One mole of a monoatomic van der Waals gas obeys the equation of state and its internal energy is expressed as U-Суг_ _ where Cv is the molar isochoric heat capacity of an ideal gas. The gas is initially at pressure p and volume V. (i) Explain the physical meaning of the parameters a and b in the equation of state of the gas (ii) Calculate the heat transferred to the gas during reversible isothermic expansion to the volume...
2) Suppose that N2(g) may be described by the van der Waals equation of state. Ten moles of N, are isothermally and reversibly expanded from a volume of 1.01 to a volume of 10.02 at 300K. Compute the work done in the process. Is the result larger or smaller than the result obtained if the process involved an ideal gas? For N2(g): a = 1.352 atm dm mol-2; b = 3.87 x 10-2 dm² mol-
calculate delta U
For a van der Waals gas, (U/aV), = a/V lculate AU for an isothermal expansion of nitrogen gas from a volume (per mole) of 1.00 L to 24. 1 24.8 L at 298 K. What are the molar Calc values of q and w?