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: `DeltaH_f^(theta)(Al_2O_3)=-1700 kJ mol^(-1)`
`DeltaH_f^theta(Fe_2O_3)=-840 kJ` `mol^(-1)`
Molar mass of Fe, Al and O are 56, 27 and 16 g `mol^(-1)` respectively.

An intimate mixture of Fe_(2)O_(3) and Ai is used in solid rocket fuel. Calculate the fuel value per gram and per ml of mixture. DeltaH_(Al_(2)O_(3)) = 399.0 kcal, DeltaH_(Fe_(2)O_(3))=199.0 kcal, density of Fe_(2)O_(3) and Al are 5.2 g/ml and 2.7 g/ml respectively.

What will be the maximum amount of heat realeased when 321 g of a mixuture of fe_(2)O_(3) and Al is subjected to sparkling in absence of air? DeltaH_(f)(Fe_(2)O_(3)=-199kJ// mole DeltaH_(f)(Al_(2)O_(3)=-399kJ// mole

An intimate mixture of ferric oxide and aluminium is used as solid fuel in rockets. Calculate the fuel value per cm^(3) of the mixture. Heats of formation and densities are as follows: H_(f(Al_(2)O_(3)))=-399kcal" "mol^(-1),H_(f(Fe_(2)O_(3)))=-199kcal" "mol^(-1) ltbr. Density of Fe_(2)O_(3)=5.2g//cm^(3)," Density of "Al=2.7g//cm^(3)

Calculate the DeltaH^(Theta) for the reduction of Fe_(2)O_(3)(s) by AI(s) at 25^(@)C . The enthalpies of formation of Fe_(2)O_(3) and AI_(2)O_(3) are -825.5 and -1675.7 kJ mol^(-1) respectively.

An intimate mixture of ferric oxide and aluminium is used as solid fuel in rockets. Calculate the fuel value per cm^(3) of the mixture. Heats of formation and densities are as follows: H_(f(AI_(2)O_(3)))^(Theta)=-399kcal mol^(-1),H_(f(Fe_(2)O_(3)))^(Theta)=-199kcal mol^(-1) Density of Fe_(2)O_(3)=4.0 g cm^(-3) , Density of AI = 2.0 g cm^(-3)

What will be the heat of reaction for the following reaction? Will the reaction be exothermic or endothermic? Fe_(2)O_(3(s))+3H_(2(g))rarr 2Fe_((s))+3H_(2)O_((l)) Delta_(f)H^(@)(H_(2)O,l)=-"285.83 kJ mol"^(-1) Delta_(f)H^(@)(Fe_(2)O_(3),s)=-"824.2 kJ mol"^(-1)