Problem 1:

An ideal gas mixture has the following stoichiometric analysis

Component % by mass
N2 40
CO2 10
CO 13
O2 17
H2 08
CH4 12

Find the analysis on a volume basis.

(B) What is the volume of 1 kg of this gas when the P = 1.5 MPa and T = 30oC?

(C) Find the specific heats at 300 K. Using Table A.2

(D) This mixture undergoes an expansion isentropic process from 2.0 bar, 130oC to 1 MPa. Find T2.

(F) Find (sm per kg of mixture when the mixture is compressed isothermally from 0.1 MPa to 0.2 MPa.

(G) All the gases are supplied in separate lines at 0.2 MPa and 300 K to a mixing chamber and are mixed adiabatically. The resulting mixture has the composition as given in Part (A). Determine the entropy change due to the mixing process per unit mass of mixture.

Problem 2:

An ideal gas mixture has the following volumetric analysis: N2 = 55%, CO2 = 25%, O2 = 20% is compressed adiabatically in a Piston-Cylinder assembly from 1 bar 20 0C to 5 bar.

Find the analysis on a mass basis.
Find the specific heats at 350 K. Using Table A.2
Determine the work required for compression process?
Find (sm per kg of mixture
If the mixture undergoes an isothermal process from 2.0 bar, 130oC to 1 bar. What would (sm of mixture be?
(F) If heat added to the mixture after compression till its temperature becomes 1000 0C, calculate the amount of heat added.

lysis on a mass basis.
Find the specific heats at 350 K. Using Table A.2
Determine the work required for compression process?
Find (sm per kg of mixture
If the mixture undergoes an isothermal process from 2.0 bar, 130oC to 1 bar. What would (sm of mixture be?
(F) If heat added to the mixture after compression till its temperature becomes 1000 0C, calculate the amount of heat added.

ss from 2.0 bar, 130oC to 1 MPa. Find T2.

(F) Find (sm per kg of mixture when the mixture is compressed isothermally from 0.1 MPa to 0.2 MPa.

(G) All the gases are…