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Ammonia and hydrogen combustion ( Task 1 a - e Exam PEF 2 1 0 6 2 0 2 0 ) Using ammonia as an

Ammonia and hydrogen combustion (Task 1 a-e Exam PEF21062020)
Using ammonia as an alternative fuel can revolutionize the maritime industry.
a) Balance the stoichiometric equations; NH3+ a1(O2+3.76N2)-> b1 H2O + c1 N2
b) How much water (kg) is produced per kg NH3 when we burn NH3 with air?
(MWH =1 kg/kmol, MWN =14 kg/kmol, MWO =16 kg/kmol)
c) The heat of formation (1 atm and 25) for gaseous water, H2O(g) is -241.83 MJ/kmol, and for NH3(g),45.92 MJ/kmol. Use the heat of formations and calculate the heat of combustion (Lower Heating Value) for NH3.
d) What is the adiabatic flame temperature for stoichiometric NH3-Air at 25 and 1 atm when we assume complete combustion and the product's average cp =1.45 kJ/(Kkg).
e) Find the heat of combustion per m3 stoichiometric fuel-air mixture (i.e., MJ/m3 mix) at 1 atm and 25 for NH3 as fuel. (Air has a density of 1.18 kg/m3 at 1 atm and 25)

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