Mathematics · Thermodynamics
A solid fuel used in rockets is a mixture of Fe2O3 and Al in a 1:2 molar ratio. The heat evolved (in kJ) per gram of the mixture during combustion is (Nearest integer): Given: ΔHf°(Al2O3) = −1700 kJ mol−1, ΔHf°(Fe2O3) = −840 kJ mol−1 Molar mass of Fe = 56, Al = 27, and O = 16 g mol−1
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