A) Show that for an ideal gas ΔŠ,-Ásv + R In b) The isochoric heat capacity of ethene gas can be ...
The molar heat capacity of ethene gas can be expressed by over the temperature range 300 K < T < 1000 K. Calculate AS if one mole of ehtene is heated from 300 K to 600 K at constant volume. b) Using the data from part a) and assuming ideal behavior such that Cp_m - CV_m=R, calculate AS if one mole of ethene is heated from 300 K to 600 K at constant pressure.
(a) One mole of a monoatomic van der Waals gas obeys the equation of state A3. ) (V-b)=RT (p+ and its internal energy is expressed as U CvT 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) Write down the equation that defines entropy in thermodynamics. Define...
I. (30 pts.) One mole of an ideal gas with constant heat capacities and ? 5/3 is compressed adiabatically in a piston-cylinder device from T1-300 K, pi = 1 bar to p2 = 10 bar at a constant external pressure Pext"- P2 -10 bar. Calculate the final temperature, T2, and W, Q. AU, AH for this process. 2. (20 pts.) Repeat problem 1 for an adiabatic and reversible compression. 3. (20 pts.) A rigid, insulated tank is divided into two...
2.) As in problem 1, show that a. dH = Tds + VdP b. Aš = C, In - Rin for an ideal gas 3.) Ethene may be regarded as an ideal gas and its heat capac regarded as an ideal gas and its heat capacity is temperature dependent according to 7 (T) = 16.4104R-008. a. Confirm that 38.75 J K is the value for the entropy change of heating one mol of ethane from 300 to 600K at constant...
3,1 moles of an ideal gas with a molar heat capacity at constant volume of 5,1 cal/(mol∙K) and a molar heat capacity at constant pressure of 7,7 cal/(mol∙K) starts at 317,6 K and is heated at constant pressure to 335,9 K, then cooled at constant volume to its original temperature. How much heat (cal) flows into the gas during this two-step process? Answer in two decimal places.
Nitrous oxide (N2O) behaves as an ideal gas and has a heat capacity at constant pressure CP = 38.6 J/K∙mol. 4.2 moles of N2O initially at 298 K are heated at constant pressure until a final temperature of 358 K is reached. (a) Calculate the enthalpy change of N2O during that process. (b) Calculate the heat transfer Q during that process. (c) Calculate the work W performed during that process. (d) Calculate the change in internal energy ΔU during that...
The molar heat capacity at constant pressure for water vapor varies with temperature according the equation: Cp / J.K mol-1 = 30.54 + 0.0103T/K Calculate the first law parameters (w, q, ΔU, and ΔH) when one mole of water vapor behaving as an ideal gas is heated at constant volume from 25° C to 200° C.
Interested in doing part B
1. a) One mole of an ideal gas is compressed irreversibly from 2 L to 1 L under a constant external pressure of 5 atm. The temperature is 300 K. Calculate the work done on the gas during the compression. b When the gas is cooled to sufficiently low temperatures, it is found experimentally that the equation of state for the gas no longer resembles the ideal gas law. Instead, what is found is that...
Calculate the change in entropy ΔS for 5.2 moles of an ideal gas when its thermodynamic state changes from p1 = 1.50 atm and T1 = 400.0 K to p2 = 3.00 atm and T2 = 600.0 K. The molar heat capacity of the gas at constant volume is CV,m = (7/2) R, and is independent of the temperature.