Use a chemical equilibrium solver (gaseq) to compute the equilibrium composition and adiabatic flame temperature of lean (=0.5) and rich ( = 2.0) products of combustion of methane in air at 1 atm and 300 k inlet conditions. for these calculations, the product species should at least contain co2, h2o, 02, n2, co, oh, oh, h, o, and no.

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the answer is d. 74.02

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each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.