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4. 100 moles of C4Hs are burned with air at 25°C. If the reaction is maintained...
a) n-Butane (C4H10) is burned with stoichiometric air. Heat is removed and the products of combustion...
a) n-Butane (C4H10) is burned with stoichiometric air. Heat is removed and the products of combustion are collected at 1 atm pressure and 40°C. How much heat is removed per mole of fuel, and what fraction of the water in the products is liquid? b) a) n-Butane (C4H10) is burned with an excess of air. Heat is removed and the products of combustion are collected at 1 atm pressure and 40°C. How much air must be used in order to...
100 moles/h of methane is burned with 100% excess air. The percent conversion of methane is...
100 moles/h of methane is burned with 100% excess air. The percent conversion of methane is 70%. Of the methane burned, 32% is reacted in partial combustion and the balance reacts in complete combustion. The reaction schemes are shown below: (1) CH4 + 2O2→ CO2 + 2H2O (2) CH4 + 3/2O2→ CO + 2H2O a. Draw a flow chart for this process b. Calculate the inlet air flow rate in moles/h c. Calculate the molar flow rate in moles/h and...
A Solid Sulfur (S) is burned with 100% theoretical air.
A Solid Sulfur (S) is burned with 100% theoretical air. The sulfur enters the combustion chamber at P=100 KPa, 25℃. The air enters at P=100 KPa, T=770℃. The temperature of the products gases = 900 k. Determine the heat transfer for this process.
Gas Ethanol (C2H5OH) is burned with 100% theoretical air.
Gas Ethanol (C2H5OH) is burned with 100% theoretical air. The fuel enters at 100 KPa, 25 °C and the air enters at 100 KPa, 27 °C. The temperature of the products is 800 k. Determine the heat transfer.
Problem 2 CH 25 C Products 150 C Air 100 25 C Cooling water Methane (CH4) is oxidized with air to...
Problem 2 CH 25 C Products 150 C Air 100 25 C Cooling water Methane (CH4) is oxidized with air to produce formaldehyde (HCHO) in a continuous reactor via the following reaction: A competing reaction is the combustion of methane to form CO2: In this specific problem, CH4 and O2 enter the reactor at a mole ratio of 1:1. In the reactor, 40% of CH4 is consumed. Of this 40%, 75% reacted via reaction (1) and the other 25% reacted...
9. How much heat is released when 100. grams of octane. CsHs (ΔΗ--25 1.4 k//mol) is burned comple...
9. How much heat is released when 100. grams of octane. CsHs (ΔΗ--25 1.4 k//mol) is burned completely? 10. Write the heat of formation reaction (ΔΙ, ) for SO,C12.
9. How much heat is released when 100. grams of octane. CsHs (ΔΗ--25 1.4 k//mol) is burned completely? 10. Write the heat of formation reaction (ΔΙ, ) for SO,C12.
3. The air in a building is to be maintained at 25°C and 55% relative humidity...
3. The air in a building is to be maintained at 25°C and 55% relative humidity by passing outside air through a water spray. The air enters the spray chamber at 32°C and 70% relative humidity, leaves the chamber cooled and saturated with water vapor, and is then reheated to 25°C. Estimate the temperature of the air leaving the spray chamber and the water (kg) added to or removed from (specify which) each kilogram of dry air processed
Butane gas (C4H10) is burned with 120% of the theoretical air in a steady flow system. The fuel a...
Butane gas (C4H10) is burned with 120% of the theoretical air in a steady flow system. The fuel and air enter separately at 25°C and 1 atm. The reaction goes to completion and the products leave as a mixture at 1 atm and 300°C. The water in the products is a vapor. Determine a. The amount of heat transfer in kJ/kmol of fuel b. The entropy change for the reaction c. The entropy generation for the process
Butane gas (C4H10)...
A home's temperature is maintained at 25°C by an AC system with a COP of 3.2...
A home's temperature is maintained at 25°C by an AC system with a COP of 3.2 which cools outside air (38°C with a 30°C Wet Bulb) to 10 C and injects the cooled air into the home. The 25 C air exits the home. A) draw the process on the attached psychrometric chart. B) If the home gains 50,000 KJ/hr what is the required power in kW? C) How much water is condensed if any? D) Without changing the COP...
4. Air enters the intake manifold at 25°C and 100 kPa on an SI engine utilizing...
4. Air enters the intake manifold at 25°C and 100 kPa on an SI engine utilizing throttle body injection. Liquid methanol, CH40, is injected into the intake manifold at an equivalence ratio of 1.1. Assume all the fuel evaporates in the manifold before entering the cylinder. The temperature of the mixture at the entrance to the cylinder is 5°C. a) Calculate how much heat transfer, per kg of air (i.e. kJ/kg air) must be entering the intake manifold. In your...
Problem 2 CH 25 C Products 150 C Air 100 25 C Cooling water Methane (CH4) is oxidized with air to produce formaldehyde (HCHO) in a continuous reactor via the following reaction: A competing reaction is the combustion of methane to form CO2: In this specific problem, CH4 and O2 enter the reactor at a mole ratio of 1:1. In the reactor, 40% of CH4 is consumed. Of this 40%, 75% reacted via reaction (1) and the other 25% reacted...
9. How much heat is released when 100. grams of octane. CsHs (ΔΗ--25 1.4 k//mol) is burned completely? 10. Write the heat of formation reaction (ΔΙ, ) for SO,C12.
9. How much heat is released when 100. grams of octane. CsHs (ΔΗ--25 1.4 k//mol) is burned completely? 10. Write the heat of formation reaction (ΔΙ, ) for SO,C12.
3. The air in a building is to be maintained at 25°C and 55% relative humidity by passing outside air through a water spray. The air enters the spray chamber at 32°C and 70% relative humidity, leaves the chamber cooled and saturated with water vapor, and is then reheated to 25°C. Estimate the temperature of the air leaving the spray chamber and the water (kg) added to or removed from (specify which) each kilogram of dry air processed
Butane gas (C4H10) is burned with 120% of the theoretical air in a steady flow system. The fuel and air enter separately at 25°C and 1 atm. The reaction goes to completion and the products leave as a mixture at 1 atm and 300°C. The water in the products is a vapor. Determine a. The amount of heat transfer in kJ/kmol of fuel b. The entropy change for the reaction c. The entropy generation for the process
Butane gas (C4H10)...
A home's temperature is maintained at 25°C by an AC system with a COP of 3.2 which cools outside air (38°C with a 30°C Wet Bulb) to 10 C and injects the cooled air into the home. The 25 C air exits the home. A) draw the process on the attached psychrometric chart. B) If the home gains 50,000 KJ/hr what is the required power in kW? C) How much water is condensed if any? D) Without changing the COP...
4. Air enters the intake manifold at 25°C and 100 kPa on an SI engine utilizing throttle body injection. Liquid methanol, CH40, is injected into the intake manifold at an equivalence ratio of 1.1. Assume all the fuel evaporates in the manifold before entering the cylinder. The temperature of the mixture at the entrance to the cylinder is 5°C. a) Calculate how much heat transfer, per kg of air (i.e. kJ/kg air) must be entering the intake manifold. In your...
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