1.0 mole of Fe reacts completely with 0.65 mole of `O_(2)` to give a mixture of only FeO and `Fe_(2)O_(3)` the mole ratio of ferrous oxide to ferric oxide is

The standerd enthalpy of formation of FeO and Fe_(2)O_(3) is -65 kcal "mole"^(-1) and -197 " kcal" " mole"^(-1) respectively . A mixture of two oxides containes FeO and Fe_(2)O_(3) in the mole ratio 2 : 1 . If by oxidation, it is changed into a 1 : 2 mole ratio mixture , How much of thermal energy will released per mole of the internal mixture ?

The standerd enthalpy of formation of FeO and Fe_(2)O_(3) is -65 kcal "mole"^(-1) and -197 " kcal" " mole"^(-1) respectively . A mixture of two oxides containes FeO and Fe_(2)O_(3) in the mole ratio 2 : 1 . If by oxidation, it is changed into a 1 : 2 mole ratio mixture , How much of thermal energy will released per mole of the internal mixture ?

The non - stoichiometric iron oxide has a composition Fe_(0.94) O . Find the ratio of ferrous and ferric ions present in it.

How many moles of KMnO_(4) will be needed to react completely with one mole of ferrous oxalate (FeC_(2)O_(4)) in acidic solution?

How many moles of KMnO_(4) will be needed to react completely with one mole of ferrous oxalate (FeC_(2)O_(4)) in acidic solution?

Mole ratio of Fe in FeO,Fe_2O_3 and Fe_3O_4 samples of equal weights is