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An intimate mixture of ferric oxide and ...

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 `Al = 2.0 g cm^(-3)`

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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)

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.

An intimate mixture of Fe_(2)O_(3) and Al is used in solid fuel rocket. DeltaH of Al_(2)O_(3) and Fe_(2)O_(3) are 399kcal and 199kcal respectively. Calculate the fuel value in kcal g^(-1) of mixture.

In above question7, if the density of Fe_(2)O_(3) and Al are 5.2g//mL and 2.7g//mL respectively. Calculate the fuel value in kcal mL^(-1) of mixture.

Calculate the heat of formation of methane in kcalmol^(-1) using the following thermo chemical reactions C(s)+O_(2)toCO_(2)(g) , DeltaH=-94.2 kcal mol^(-1) H_(2)(g)+1/2O_(2)(g)toH_(2)O(l) , DeltaH=-68.3 kcal mol^(-1) CH_(4)(g)+2O_(2)(g)toCO_(2)(g)+2H_(2)O(l) , DeltaH=-210.8 kcal mol^(-1)

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

Calculate Delta_(r)S_(m)^(Theta) for the reaction: 4Fe(s)+3O_(2)(g) rarr 2Fe_(2)O_(3)(s) Given that S_(m)^(Theta)(Fe) = 27.3J K^(-1) mol^(-1) , S_(m)^(Theta)(O_(2)) = 205.0J K^(-1)mol^(-1) and S_(m)^(Theta)(Fe_(2)O_(3)) = 87.4 J K^(-1) mol^(-1) .

AI is costilier than Fe but AI is sacrificed to convert Fe_(2)O_(3) into Fe . Why this change is possible. Name this process : {:(Delta G_(f(Fe_(2)O_(3)))^(@) =-"742.2 kJ/mole"),(Delta G_(f(AI_(2)O_(3)))^(@)=-"1582 kJ/mole"):}

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