5,125 kg⋅h−1 of an equimolar ethanol and acetic acid binary mixture are heated at 107.3 kPa. The initial temperature of the mixture is 27 ◦C. Calculate the heat requirement to produce saturated vapor. (NRTL)
CHE 434 Third Exam

Quiz
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Special Education
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University
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Medium
Haitham Hussin
Used 3+ times
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6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
1123 KW
20192 KJ/hr
1071 KW
2601 KW
2.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
A gas mixture flowing at a rate of 100 lb-mole/hr containing 55 mole% SO2 and the balance is air contacted with liquid water (89700 lb-mole/h) in a continuous absorber. Assuming that the gas and liquid streams entering and leaving the absorber in equilibrium at 30°C and 1 atm, calculate the molar flow rate of the SO2 in both outlet streams. (SRK)
29.7808 Kgmol/hr
24.9478 Kgmol/hr
26.9618 Kgmol/hr
29.4902 Kgmol/hr
3.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Natural gas contains 81 mol% methane and 19 mol% carbon dioxide is pumped through a horizontal Schedule 40, 6-in.-diameter cast-iron pipeline at a mass flow rate of 610 kg/h. If the pressure at the pipe inlet is 3.45 bars and 23°C, the pipeline length is 1.9 km downstream. If the ambient temperature is 25 C and the pipeline without insulation, calculate the pressure drop across the pipe . (SRK)
3.701 KPa
3.619 KPa
3.861 KPa
4.134 KPa
4.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Consider the following mixture: CO, 105kmol/h; Co2, 210 kmol/h; O2, 90 kmol/h. The gas at 15 atm and mass enthalpy -6083 kJ/kg. Find the gas temperature. (SRK)
307 C
382 C
214 C
203 C
5.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
A compressor is used to compress 100 kg/h of natural gas consisting of 80 mol% methane, 10% ethane, 5% carbon dioxide, and the remaining nitrogen from 3 bars and 30°C to 10 bars. Find the compressor duty (SRK)
9.702 KW
9.281 KW
5.031 KW
6.559 KW
6.
MULTIPLE CHOICE QUESTION
10 mins • 5 pts
Consider the following liquids phase reactor in an isothermal CSTR
Ethanol + Diethylamine -------- > Triethylamine + Water
The inlet at pressure 354.5 kPa, temperature 50 C and flow rate (kgmol/hr), 50 Ethanol, 50 Diethylamine and 95 Water. With A=4775 kgmol/m3-hr, activation energy E=10000 J/mol. If the reactor volume is 4440.8 L, what percent conversion of ethanol will be achieved? (PRSV)
91.08
91.81
91.71
91.17
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