What type of chemical reaction is $4Fe + 3O_2 -> 2Fe_2O_3$?

Md Ariful Islam

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Md Ariful Islam

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Zerovalent iron is oxidized to give $Fe(II^+)$. Zerovalent oxygen is reduced from $0$ to $-II$. Each year significant amounts of money are spent to prevent the corrosion of structural steel. It is inevitably a losing battle.

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A chemical compound requires 8 ounces of Chemical A and 12 ounces of Chemical B. A mixture contains 24 ounces of Chemical A and 30 ounces of Chemical B. How can you fix the mixture to make the chemical compound?

Since 8x3=24 and since 12x3=36 you need to add 6oz of chemical B to have 24oz of chemical A and 36oz of chemical B. Take 1/3 of the total mixture...

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How many oxygen atoms are present on the reactant side of the chemical equation $4Fe + 3O_2 -> 2Fe_2O$?

Clearly, there are $6$ oxygen atoms on the left hand side of the equation; and, equally clearly, there are $6$ oxygen atoms on the right hand side of the equation,...

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Which equation is correctly balanced: $A.$ $Al(s) + 3O_2(g) rarr Al_2O_3(s);$ $B.$ $Al(s) + 3O_2(g) rarr Al_2O_3(s);$ $C.$ $Al(s) + 3/2O_2(g) rarr Al_2O_3(s);$ $D.$ $2Al(s) + 3O_2(g) rarr 2Al_2O_3(s)?$

Alumina is $Al_2O_3$, which is the product of aluminum oxidation. None of your equations shows the correct formulae. We can rewrite the correct equation as: $2Al(s)+ 3/2O_2(g) rarr Al_2O_3(s)$ This...

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Is this equation properly balanced? $4Fe + 3O_2 -> 2 Fe_2O_3$?

Count how many $Fe$ and $O_2$ you have on both left and right sides: You are given: $4Fe+3O_2 -> 2Fe_2O_3$ $4:Fe:4$ $6:O_2:6$ You actually have the same number of $Fe$...

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Which type of chemical reaction is represented by the equation $4Al(s)+3O_2 (g) -> 2Al_2O_3 (s)$?

Aluminum is oxidized; oxygen is reduced. What are the elemental oxidation states in $Al_2O_3$?

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What type of reaction is $4Al + 3O_2 ->Al_2O$?

$4Al(s) + 3O_2(g) rarr 2Al_2O_3(g)$ This is a redox reaction, and represents the oxidation of aluminum metal by dioxygen gas to give alumina.

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A chemistry has 14.5 g of Al and 7.5 g of $O_2$. What would the excess be for the following reaction: $4Al + 3O_2 -> 2Al_2O_3$?

To check excess and limiting reactants, the number of moles has to be found, and then divided by the coefficient. For the sake of shortening the equations, let us say...

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In the chemical reaction $4Fe+3O_2 -> 2Fe_2O_3$, which elements are oxidized?

And we could represent this by half-equations....CLEARLY iron metal is oxidized.... $FerarrFe^(3+) + 3e^(-)$ $(i)$ And meanwhile, the potent OXIDANT, dioxygen gas is reduced to $O^(2-)$... $O_2(g) + 4e^(-) rarr...

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When iron rusts in air, iron (III) oxide is produced. How many moles of oxygen react with 12.9 mol of iron in the rusting reaction? $4Fe(s) + 3O_2(g) -> 2Fe_2O_3(s)$?

We have the balanced equation: $4Fe(s)+3O_2(g)->2Fe_2O_3(s)$ And so, $4$ moles of iron react with $3$ moles of oxygen, and therefore, $12.9 \ "mol"$ of iron would react with: $12.9color(red)cancelcolor(black)("mol" \...

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In the reaction $4Fe + 3O_2 -> 2Fe_2O_3$, how many grams of $Fe_2O_3$ are produced from $73.2g$ $Fe$?

This can be solved through dimensional analysis. Atomic Masses: $"Fe = 55.85 g/mol"$ $"O = 16.00 g/mol"$ Formula Mass: $"Fe"_2"O"_3 ="159.69 g/mol"$ $"Moles of Fe" =73.2cancel("g Fe") xx...

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