Ammonia gas enters the reactor of a nitric acid plant mixd with 30% more dry air...
Ammonia gas enters the reactor of a nitric acid plant mixd with 30% more dry air than is required for the complete conversion of the ammonia to nitric oxide and water vapor. If the gas enter the reactor at 75C, if conversion is 80%, if no side reactions occur, and if reactor operates adiabatically, what is the temperature of the gases leaving the reactor? Assume ideal gases
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Ammonia gas enters the reactor of a nitric acid plant mixd with
30% more dry air...
As a first step in the production of nitric acid, ammonia is oxidized to form nitric...
As a first step in the production of nitric acid, ammonia is oxidized to form nitric oxide: 4NH3 + 5O2→4NO + 6H2O A side reaction also occurs: 2NH3 +3/2O2→N2 +3H2O A reactor is designed to carry out this reaction isothermally at 600°C, with pure oxygen fed to the reactor in 50% excess. At these conditions, all components are in the gas phase. The conversion of ammonia is 80%, and the selectivity ratio of NO to N2 in the product stream...
Nitric oxide (NO) can be produced by partially oxidizing ammonia (NH3) with oxygen via the following...
Nitric oxide (NO) can be produced by partially oxidizing ammonia
(NH3) with oxygen via the following reaction:
2NH3 + 2.5O2 = 2NO + 3H2O (1)
Ammonia can also react with oxygen via the following
reactions:
2NH3 + 1.5O2 = N2 + 3H2O (2)
2NH3 + 3.5O2 = 2NO2 + 3H2O (3)
Ammonia is fed to a reactor at 25 °C and 500 kg/h. Dry air (21
mol % O2, 79 mol % N2) enters at 8000 kg/h. Eighty percent (80%)...
Nitrobenzene is made by the direct nitration of benzene by nitric acid in the presence of...
Nitrobenzene is made by the direct nitration of benzene by nitric acid in the presence of strong sulphuric acid solution: CHe+HNOCH,NO2+H2O The actual nitrating agent is the nitronium ion, NO27, and the sulphuric acid is needed to generate this from the nitric acid feed Reconcentrated sulphuric acid, of strength 74% by weight and XC is mixed with pure nitric acid at 25°C to give a nitric acid strength in the mixture of 7.5% by weight. The heat of mixing causes...
Enter your answer in the provided box. Ammonia burns in oxygen gas to form nitric oxide...
Enter your answer in the provided box. Ammonia burns in oxygen gas to form nitric oxide (NO) and water vapor. How many volumes of NO are obtained from five volumes of ammonia at the same temperature and pressure? volume(s)
1. Wet solids pass through a continuous dryer. Hot dry air enters the dryer at a...
1. Wet solids pass through a continuous dryer. Hot dry air enters the dryer at a rate of 400 kg/min and mixes with the water that evaporates from the solids. Humid air leaves the dryer at 50°C containing 2.44 wt% water vapor and passes through a condenser in which it is cooled to 10°C. The pressure is constant at 1 atm throughout the system. a. At what rate (kg/min) is water evaporating in the dryer? b. Use the psychrometric chart...
please answer all the questions thank you Nitric oxide (NO) is a gas that decomposes in...
please answer all the questions
thank you
Nitric oxide (NO) is a gas that decomposes in air, therefore it is usually made when it is needed immediately. The most common use of nitric oxide is as fertilizer. In order to produce nitric oxide, 25 kmol/h of ammonia (NH3) and a stream of oxygen (02), both at 25°C and 1 atm, are fed into a continuous reactor packed with catalyst in which ammonia is completely consumed. The product gas emerges at...
( (4 pts) The first stage of the Ostwald process is heating ammonia gas with oxygen gas in the presence of a catal...
( (4 pts) The first stage of the Ostwald process is heating ammonia gas with oxygen gas in the presence of a catalyst at 900 K and 5 atm to form nitric oxide gas and water vapor. Write the balanced chemical equation for this reaction. (g) (4 pts) Evaluate AG (k) for this reaction at 900 K. Is the reaction spontaneous under standard conditions at 900 K? (h) (8 pts) The second stage of the Ostwald process begins by oxidizing...
The oxidation of nitric oxide NO + 02 =NO2 takes place in an isothermal batch reactor....
The oxidation of nitric oxide NO + 02 =NO2 takes place in an isothermal batch reactor. The reactor is charged with a mixture containing 20.0 volume percent NO and the balance air at an initial pressure of 380 kPa (absolute). (a) Assuming ideal-gas behavior, determine the composition of the mixture (component mole fractions) and the final pressure (kPa) if the conversion of NO is 90%. (b) Suppose the pressure in the reactor eventually equilibrates (levels out) at 360 kPa. What...
1. A combined gas-steam power cycle uses a single gas turbine cycle for the air cycle...
1. A combined gas-steam power cycle uses a single gas turbine
cycle for the air cycle and a simple Rankine cycle for the water
vapor cycle. Atmospheric air enters the compressor at a rate of
88.2 lbm / s, at 14.7 psia and 59 ° F, and the maximum gas cycle
temperature is 1,742 ° F. The pressure ratio in the compressor is
7. The isentropic efficiency of both the compressor and the turbine
is 80%. Gas exits the heat...
Problem4 (a) (40 points) A combined gas-steam powe cycles. The ideal Brayton and Rankine plant operates on Rankine cycle has a reheater. The Brayton cycle operates on a gas- of the gas-turbine c...
Problem4 (a) (40 points) A combined gas-steam powe cycles. The ideal Brayton and Rankine plant operates on Rankine cycle has a reheater. The Brayton cycle operates on a gas- of the gas-turbine cycle 1400 K The 15MPa to ercooling, reheating, and regeneration cycle. The pressure ratio 300 K for compressor stages is do Air enters compressors a combustion gases leaving the lower pressure gas turbine are used to heat the steam at C in a heat exchanger. The combustion gases...
Nitric oxide (NO) can be produced by partially oxidizing ammonia
(NH3) with oxygen via the following reaction:
2NH3 + 2.5O2 = 2NO + 3H2O (1)
Ammonia can also react with oxygen via the following
reactions:
2NH3 + 1.5O2 = N2 + 3H2O (2)
2NH3 + 3.5O2 = 2NO2 + 3H2O (3)
Ammonia is fed to a reactor at 25 °C and 500 kg/h. Dry air (21
mol % O2, 79 mol % N2) enters at 8000 kg/h. Eighty percent (80%)...
Nitrobenzene is made by the direct nitration of benzene by nitric acid in the presence of strong sulphuric acid solution: CHe+HNOCH,NO2+H2O The actual nitrating agent is the nitronium ion, NO27, and the sulphuric acid is needed to generate this from the nitric acid feed Reconcentrated sulphuric acid, of strength 74% by weight and XC is mixed with pure nitric acid at 25°C to give a nitric acid strength in the mixture of 7.5% by weight. The heat of mixing causes...
Enter your answer in the provided box. Ammonia burns in oxygen gas to form nitric oxide (NO) and water vapor. How many volumes of NO are obtained from five volumes of ammonia at the same temperature and pressure? volume(s)
1. Wet solids pass through a continuous dryer. Hot dry air enters the dryer at a rate of 400 kg/min and mixes with the water that evaporates from the solids. Humid air leaves the dryer at 50°C containing 2.44 wt% water vapor and passes through a condenser in which it is cooled to 10°C. The pressure is constant at 1 atm throughout the system. a. At what rate (kg/min) is water evaporating in the dryer? b. Use the psychrometric chart...
please answer all the questions
thank you
Nitric oxide (NO) is a gas that decomposes in air, therefore it is usually made when it is needed immediately. The most common use of nitric oxide is as fertilizer. In order to produce nitric oxide, 25 kmol/h of ammonia (NH3) and a stream of oxygen (02), both at 25°C and 1 atm, are fed into a continuous reactor packed with catalyst in which ammonia is completely consumed. The product gas emerges at...
( (4 pts) The first stage of the Ostwald process is heating ammonia gas with oxygen gas in the presence of a catalyst at 900 K and 5 atm to form nitric oxide gas and water vapor. Write the balanced chemical equation for this reaction. (g) (4 pts) Evaluate AG (k) for this reaction at 900 K. Is the reaction spontaneous under standard conditions at 900 K? (h) (8 pts) The second stage of the Ostwald process begins by oxidizing...
The oxidation of nitric oxide NO + 02 =NO2 takes place in an isothermal batch reactor. The reactor is charged with a mixture containing 20.0 volume percent NO and the balance air at an initial pressure of 380 kPa (absolute). (a) Assuming ideal-gas behavior, determine the composition of the mixture (component mole fractions) and the final pressure (kPa) if the conversion of NO is 90%. (b) Suppose the pressure in the reactor eventually equilibrates (levels out) at 360 kPa. What...
1. A combined gas-steam power cycle uses a single gas turbine
cycle for the air cycle and a simple Rankine cycle for the water
vapor cycle. Atmospheric air enters the compressor at a rate of
88.2 lbm / s, at 14.7 psia and 59 ° F, and the maximum gas cycle
temperature is 1,742 ° F. The pressure ratio in the compressor is
7. The isentropic efficiency of both the compressor and the turbine
is 80%. Gas exits the heat...
Problem4 (a) (40 points) A combined gas-steam powe cycles. The ideal Brayton and Rankine plant operates on Rankine cycle has a reheater. The Brayton cycle operates on a gas- of the gas-turbine cycle 1400 K The 15MPa to ercooling, reheating, and regeneration cycle. The pressure ratio 300 K for compressor stages is do Air enters compressors a combustion gases leaving the lower pressure gas turbine are used to heat the steam at C in a heat exchanger. The combustion gases...
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