Question

1. A ⇄ B + C

The above gas phase elementary reversible reaction is carried out
isothermally at CSTR at 640°C. The molar flow rate of raw material
A is F_{A0} = 3.34 mol / min and the input concentration is
C_{A0} = 0.04 mol / L. The reaction rate constant
k_{A} at 640 ° C is 0.1 mol / (Lꞏminꞏatm).

When the equilibrium constant K_{P} is 10 atm, find the
corresponding equilibrium conversion Xe and calculate the reactor
volume needed to achieve 80% of Xe.

Answer #1

**(a.)**

**(b.)**

The elementary gas phase reaction A + B C is to be carried out
isothermally in a continuous reactor. Reactants are entering with a
stoichiometric proportions at 10 atm and 130°C molar flow rate of
20 mol/min. The exit conversion is 90%. The following data was
collected from experimental work T, K kA (min-1) 360 5.38 368 8.35
376 12.73 385 16.34 395 21.23 410 28.61 425 33.81 Estimate the rate
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B enters at 27 oC, and the volumetric flow rate is 2 L/s. The feed
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volumes necessary to achieve 85% conversion when the reaction is
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he elementary liquid-phase reaction:
A + B -----> C
is to be carried out non-isothermally in a flow system with
reaction constant,k= 0.07 dm^3mol-1min-1at 300K. The concentrations
of each feed stream of A and B is 2 mol dm-3. The volumetric flow
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(CH3)3COOC(CH3)3 -->
C2H6 + 2CH3COCH3 is carried out isothermally in a
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1x10-4 min-1 and the activation energy is 85
kJ/mol. Pure di-tert-butyl peroxide enters the reactor at 10 atm
and 127oC and a molar flowrate of 2.5 mol/min. Calculate
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a) PF reactor
b) CSTR reactor
c) Propose the diameter (Dt) and length (L)...

The gas phase reaction, 2A B C, is carried out in a PFR. The
feed is equal molar in A and B and the entering temperature is 650K
and the entering pressure is 21 atm. If the exit conversion is X,
then the exit concentration of B (in mol/dm3 ) is:

The irreversible gas-phase non-elementary reaction A + 2B
---> C takes place in an isothermal (227 C) constant-volume
batch reactor. The initial feed to the reactor consists of 40 mol%
A and 60 mol% B at a total pressure of 10 atm. Measurements of the
rate of reaction as a function of conversion yielded the following
results:
-rA (mol dm^-3 s^-1) x (1x10^8)
0.010
0.005
0.002
0.001
XA
0.0
0.2
0.4
0.6
Calculate the time required to achieve a conversion...

The elementary liquid phase reaction takes place in an adiabatic
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? + ? → ?
An equimolar feed in A and B enters at 300K, and the volumetric
flow rate is 2 dm3
/s and CA0= 100
mol/m3
.
a) Calculate the PFR and CSTR volumes to achieve 75 %
conversion.
b) If the outlet temperature of the reactor is 550 K, for complete
conversion, calculate the inlet temperature
of CSTR.
HA°(273 K) = - 20 kcal/mol, HB°...

The isothermal and isobaric gas phase reaction A → B + C follows
an elementary rate law and is to be carried out in a CSTR. The
reaction constant k = 1.20 s-1 when the reaction
temperature T = 300 K.
(a) When pure A is fed to a CSTR at 300K and a volumetric flow
rate of 5 dm3 /s,a conversion of X = 0.6 is achieved. Please
determine the volume of the CSTR.
(b) If the CSTR’s volume...

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a) Construct a complete stoichiometric table.
b) Calculate the concentrations of ammonia and hydrogen when the
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c) Suppose by chance the reaction is elementary with
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equilibrium conversion at 300 K? 4.3. What is the equilibrium
conversion at 400 K? 4.4. What should be the volume of the reactor
for the same feed rate and conversion...

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