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1) A 233 kg CO2 at 298 K is stored in a 50L flask. Calculate for
the atmosphere pressure using thePeng-Robinson cubic equation of
state. Tc = 304.2 K ; Pc= 72.82 atm
a. 27.8x10-3 (pressure in kPa)
b. 0.274
c. 208.24 (pressure in torr)
d. 2.78x104 (pressure in pascal)
2) At 482 K a 2 mol NH3 occupies a 5Llask. Using the
Peng-Robinson with Tc=405.5K andPc=111.3atm, calculate for the
atmosphere pressure of the gas.
a. 3.16
b. 3.20x105
(pressure in Pascal)
c. 46.5 (Pressure in psi)
d. 2.4x103 (pressure in torr)
3) Using Berthelot equation of state, Xenon is heated at a
temperature of 288.15K at 2 atm.Calculate for the molar volume of
xenon in Litres per mole.
a. 11460 (molar volume in mL/mol)
b. 0.4047 (molar volume in ft3/mol)
c. 0.01146 (molar volume in L/kmole)
d.
4) Br2 at 298K has a pressure of 5 atm. Find the using the
Berthelot equation of state.a. 0.1222 (solved as L/g)
b. 8.18
c. 1222 (solved as mL/g)
d. unsolvable
5) At 50 0C Cl2 occupies a volume of 10L. Using the Virial
equation of the state or the truncatedform, Calculate for the
Pressure in millimetre of mercury.
a. 2.583 (pressure in atm)
b. 1.96x103
c. 38 (pressure in psi)
d. 26.7x104
(pressure in pascal)
6) Using the truncated form of virial equation of state, a 50 L
of 298 K N2 , what is the pressure inPascal unit?
a. 3.72x103 (pressure in torr)
b. 72.03(pressure in psi)
c. 4.96x105
d. 4.9 (pressure in atm)
7) Calculate the Pascal pressure of the H2 gas using the
Beattie-Bridgeman equation of state withthe gas suffering at 170
degree Celsius temperature contained in a 75L container. (Ao =
20.0117;
a = -0.00506; Bo = 0.02096; b = -0.04359; c = 504)
a. 0.4813 (pressure in atmosphere)
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b. 48770.5c. 49.1286 (pressure in Pascal with 75mL as the volume
used for calculation)d. 4.848x10-4 (pressure in atm with 75mL as
the volume used for calculation)
8) Calculate the psi pressure of the N2 gas under 120 degrees
Celsius contained in a 10L container.(Ao = 136.2315; a = 0.02617;
Bo = 0.05046; b = -0.00691; c = 42000)
a. 19.11
b. 988 (pressure in mmHg)
c. 131.72 (pressure in kPa)
d. 1.3 (pressure in atm)
9) A methane gas at 210K contained in a 5L flask, what is the
psi pressure of the methane gas usingthe truncated form of Virial
equation of state. (Tc = 190.6K; Pc = 45.6 atm; = 0.008)
a. 2.56x103 (pressure in mmHg)
b. 114 (pressure in ft H2O)
c. 3.37 (pressure in atmosphere)
d. 49.54
10)CH4 gas under 160 degrees Celsius is contained in a 30L
container. Calculate for the atmospherepressure of the gas using
the given: Tc = 190.6K; Pc = 45.6 atm; = 0.008 in Peng-Robinson
equation of state.
a. 912 (pressure in torr)
b. 1.2
c. 17.64 (pressure in psi)
d. 40.68 (pressure in ft H2O)
