Stoichiometry
Methane is mixed with stoichiometric proportion of oxygen and completely combusted. The number of additional specifications required to determine the product flow rate and composition is

Stoichiometry
Pick out the wrong unit conversion of thermal conductivity.

1 BTU/ft².hr.°F/inch = 1.488 kcal/m². hr.°C/m
1 BTU/ft².hr.°F/ft = 1.488 kcal/m². hr.°C/m
1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F
1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K

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