Homework 2. Due 10/01
CHE225, 2013
1. A two-phase mixture of water (nH2O=1 mole) and oxygen (nO2 = 2 moles) is
confined in a piston-cylinder system at P=1 bar and T=298.15 K. The mole fraction
of oxygen is 0.8 in the vapor phase and 0.1 in the liquid phas
Homework 3. Due 10/10
CHE225, 2013
Problem 1
A gas mixture of methane and steam at P=1 bar and t=400 oC is fed to a reactor,
where the following reactions take place:
CH4(g) + H2O(g) CO(g) + 3H2(g)
CO(g) + H2O(g) CO2(g) + H2(g)
The product stream leaves t
CHE 225 Midterm 2
12/09/2013
Name:
1
CHE 225 Midterm 2
12/09/2013
Problem 1 (25 pt)
A closed adiabatic system is separated into parts A, B, and C. Part A
contains 3 moles of nitrogen at T=340 K and P=5 bar. Part B contains 1.5
moles of argon at T=370 K an
Homework 1. Due 09/24
CHE225, 2013
1. Water (CpH20 = 4180 J kg1 K1, = 1000 kg m3) flows through a conical steel
nozzle (mst = 3 kg, Cst = 466 J kg1 K1). The diameters of the nozzle openings are
Dout = 1.12838 cm and Din = 11.2838 cm. The flow rate of wate
Homework 5. Due 11/14
CHE225, 2013
Problem 1 (40 pt)
Streams of toluene (n=0.5 mol/s) and hydrogen (n=1 mol/s) are passed over a
molybdenum oxide catalyst in a continuous flow reactor at 550 oC and 55 bar.
Products exit at the same pressure and temperatur
Homework 8. Due 12/12
1. Problem 13.1
2. Problem 13.13
3. Problem 13.15
4. Problem 13.18
5. Problem 13.22 (assume that H0 of the reaction doesnt change with temperature)
6. Problem 13.29
7. Problem 13.31: develop an equation that allows calculation of the