A 10% rich mixture of Heptane (C,H16) and air is initially at a pressure of 1 bar andtemperature of 100°C, and is polytropically compressed through a volumetric ratio of 6 to1. It is ignited and adiabatic combustion proceeds at constant volume. The maximumtemperature reached is 2627°C and at this temperature the equilibrium constants arePH₂OPCO= 6.72PCO₂PH₂P²coPo₂= 0.054Pco2po' = 1bar is a reference pressure for the equilibrium constants. if the constituents of thegas are CO2, CO, H₂O, H₂, O2 and N₂:(a) Calcuate the reaction equation without dissociation(b) Calculate the equilibrium product composition.(c) Verify that approximately 30.2 % of the carbon has burned incompletely.Notes:the number of moles is not conserved in this reaction!You may use any method to solve the (nonlinear) equations you derive.

Now, we can calculate the equilibrium composition of CO2, CO, H2O, H2, O2, and N2 using the ideal…

Answered: A 10% rich mixture of Heptane (C,H16)…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Determine the enthalpy of combustion (in kJ) when fully-consuming a 23-L tank of ethane. The ethane inside the tank is pressurized to 8 atm at 30 ⁰C.
A gaseous fuel with 80% butane, 15% nitrogen and 5% oxygen (on a mole basis) is burned to completion with 120 percent theoretical air that enters the combustion chamber at 30°C and 100 kPa. Determine the volume flow rate of air required to burn fuel at a rate of 2 kg/min.
Calculate the enthalpy of combustion of propane C3H8 at 25 oC in both kJ/kg and kJ/mole under the following conditions:- 1- gaseous propane with H2O liquid in the products. 2- gaseous propane with H2O vapor in the products 3- liquid propane with H2O liquid in the products 4- liquid propane with H2O vapor in the products note: the enthalpy of evaporation of propane at 25 oC is 425 kJ/kg
In a combustion chamber, ethane (C2H6) is burned at a rate of 8 kg/h with air that enters the combustion chamber at a rate of 176 kg/h. Determine the percentage of excess air used during this process.
A fuel mixture of 60 percent by mass methane (CH4) and 40 percent by mass ethanol (C2H6O), is burned completely with theoretical air. If the total flow rate of the fuel is 10 kg/s, determine the required flow rate of air.
Liquid propane (C 3 H 8 ) enters a combustion chamber at 25 °C at a rate of 0.05 kg/min where it is mixed and burned with theoretical air that enters the combustion chamber at 7 °C. an analysis of combustion gases reveals that all the hydrogen in the fuel burns to H 2 O but only but only 90% of carbon burn to CO 2 with the remaining 10% forming Co if the exit temperature of combustion gases is 1500 K (a) the mass flow rate of air and (b) the rate of heat transfer from the combustion chamber
Q1) A constant volume tank contain 1 mole of C8H18 and 12 mole of O2 gas at a temperature of 25 °C and 1 bar. The contents of the tank is ignited and C;H14 is burned completely and final products temperature is found to be 1700 K. Determine the heat transfer during this process. ( take AHo = -47800 kJ/kg).
The gas mixture formed as a result of the combustion of the stoichiometric mixture consisting of methane (CH4) and humid air reaches a temperature of 1500 K and a pressure of 80 bar. In this case, calculate the specific entropy value of the products on a molar and mass basis. Take the specific humidity of the humid air as 0.01 kg sb/kg Hk.
When all the products of hydrocarbon fuel ethane (C2H6) are in gaseous phase, the enthalpy of combustion at 25 oC is (- 47484 kJ/kg), find:- a) the internal energy of combustion at 25 oC b) the enthalpy of combustion at 540 oC c) calculate the heat transferred when 0.2 kg of ethane is burned at constant pressure in a cylinder containing 4 kg of air and the temperature of reactants and products being 40 oC and 540 oC respectively.
Q1) A constant volume tank contain 1 mole ofC7H14 and 12 mole of O2 gas at a temperature of 25 °C and 1 bar. The contents of the tank is ignited and C7H14is burned completely and final products temperature is found to be 1700 K. Determine the heat transfer during this process. ( take dalta Ho = -47800 kJ/kg).
Propane gas C3H8 enters a gas turbine at 20oC and completely burns with 200% of theoretical air entering at 20oC, 1 atm and with a volumtric ﬂow rate of 40 m3/s. If the products of combustion exit the turbine at 880 K, 1 atm and the fuel and air entering having almost zero velocity, determine the thrust produced by the turbine in kN.
Ethanol Fuel C2H6O is burned with atmospheric air in a stoichiometric ratio. The mole fraction of H2O in the products is: Select one: O a. 0.857 O b. 0.1843 O c. 0.5415 O d. 0.6124

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