Solid fuel used in rocket is a mixture of Fe_2O_3 and Al (in ratio 1 : 2). The heat evolved (kJ) per gram of...

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Solid fuel used in rocket is a mixture of Fe_2O_3 and Al (in ratio 1 : 2). The heat evolved (kJ) per gram of the mixture is _____ (Nearest integer) Given : H_f^0(Al_2O_3) = –1700 kJ mol^ -1 H_f^0(Fe_2O_3) = –840 kJ mol^ -1 Molar mass of Fe, Al and O are 56, 27 and 16 g mol^ -1 respectively

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4

JEE Main 2023 Chemistry question

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