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What is rust, mainly? | StemPy Lab
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What is rust, mainly?
Chemistry
Easy
High School (9–10)
General
Chemical Reactions › Energy Changes and Corrosion
Created by
StemPy Lab
What is rust, mainly?
Iron carbonate
Hydrated iron(III) oxide,
Fe
2
O
3
⋅
x
H
2
O
\text{Fe}_2\text{O}_3 \cdot x\text{H}_2\text{O}
Fe
2
O
3
⋅
x
H
2
O
Pure iron that has gone brown
Iron sulphide
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← 2Mg + O₂ → 2MgO. What mass of magnesium oxide forms when 12 g of magnesium burns? Use Mg = 24 and MgO = 40 g/mol.
A student says: Paint stops iron from rusting because the paint reacts with the oxygen. What is the mistake? →
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Chemical Reactions › Energy Changes and Corrosion
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Created by StemPy LabCreated by StemPy Lab