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CO2 can be eliminated and transformed to fuel like CH4 by the following reaction: CO2(g) +...
CO2 can be eliminated and transformed to fuel like CH4 by the following reaction: CO2(g) + 4H2(g) → 2H2O(g) + CH4 (8) Figure below shows 1 mol of CO2 entering at 800 K and reacting with 4 mol of Hz entering at 298 K while the product exits the reactor at 1000 K. 1 mol CO2 800 K Product 1000 K Reactor 4 mol H2 298 K Determine the heat transfer, Q for this process if only 70% conversion of...
CO2 can be eliminated and transformed to fuel like CH4 by the following reaction: CO2(g) + 4H2(g) → 2H2O(g) + CHale) Figure below shows 1 mol of CO2 entering at 800 K and reacting with 4 mol of Hz entering at 298 K while the product exits the reactor at 1000 K. 1 mol CO2 800 K Product 1000 K Reactor 4 mol H2 298 K Determine the heat transfer, Q for this process if only 70% conversion of CO2...
the enthalpy of combustion of CH4(g) to make H2O(l) and CO2(g) is -2340 kJ mol-1. The enthalpy of combustion of CH2(g) to make H2O(l) and CO2(g) is -2760 kJ mol-1. The enthalpy of formation of H2O(l) is -286 kJ mol-1. All the data are for 298 K. The heat capacities for O2(g), CHA(8), CH3(g), H2O(l) and CO2(8) are 29, 61, 71, 75 and 37 JK"mor", respectively. Deduce a) 4U298 for the combustion of C4H8(g). 5) AH for the combustion of...
Methane can react with water to form carbon dioxide and hydrogen according to the following equation: CH4(g) + 2H2O(g) ↔ CO2(g) + 4H2(g) Use the following thermodynamic data at 298 K to determine the temperature at which the reaction goes from being spontaneous to nonspontaneous. Substance CH4(g) H2O(g) CO2(g) H2(g) ΔHºf (kJ/mol) -74.87 -241.8 -393.5 0 ΔGºf (kJ/mol) -50.81 -228.6 -394.4 0 Sºf (J/Kmol) 186.1 188.8 213.7 130.7
AU for the reaction CH4 (8) + 2O2(g) - CO2(8) + 2H2O(l) in kJ at 298 K is AH(CH,) =-74.6kJ / mol AH (0) = -393.5kJ / mol AH,(4,0) =-285.8kJ / mol 1 A. -885.5 kJ B.668 kJ C. 885.5 kJ D.-668 kJ
Under certain circumstances, carbon dioxide, CO2(g), can be made to react with hydrogen gas, H2(g), to produce methane, CH4(g), and water vapor, H2O(g): CO2(g)+4H2(g)→CH4(g)+2H2O(g) How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 53.6 moles of water vapor? Express your answer with the appropriate units. For example, write the unit moles as mol.
Problem: Bapco needs to burn natural-gas fuel that contains 75 mol% methane, 15 mol% ethane, and 10 mol% nitrogen. The following two reactions takes place: CH4(g) 20209) CO2(0) 2H2o) C2H6 (g) + 3.502(g) 2C02(g)3H20 (g) a) What is the standard heat of combustion (kJ/mol) of the fuel at 25 oC with water(g) as a product b) The fuel is supplied to a furnace with 60% excess air, both entering at 250C. The products leave at 600°C. If the combustion is...
Methane (CH4) and oxygen (O2) react to form formaldehyde (CH2O) (reaction #1), with a competing side reaction (#2) in which methane and oxygen form carbon dioxide (CO2): CH4(v) + O2(g) -> CH2O(v) + H2O(l) (reaction #1) CH4(v) + 2O2(g) -> CO2(g) + 2H2O(l) (reaction #2) A fresh feed of an equimolar gas mixture of CH4 and O2 is combined with a recycle stream and fed to a reactor. The single-pass conversion of CH4 is 30% and the selectivity of CH2O...
Calculate the entropy change (in J K-mol-1) for the following reaction: CH4(g) + 202(g) = CO2(g) + 2H2O(g) Select one: O a. -11.1 O b. 11.1 O c. 6.0 O d. 199 O e. -5.0
Coke can be converted into Co-a fuel gas-in the reaction CO2(g) + C(s) - 200(g) A coke that contains 84.0% carbon by mass and the balance noncombustible ash is fed to a reactor with a stoichiometric amount of CO2- The coke is fed at 77.0°F, and the CO2 enters at 300.0°F, heat is transferred to the reactor in the amount of 5259 Btu/Ibm coke fed. The gaseous products and the solid reactor effluent (the ash and unburned carbon) leave the...