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Magnesium oxide. It's produced by magnesium reacting with oxygen.
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∙ 13y ago
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Why is there a dull white coating on magnesium?
being oxidized by O2
Is burning a strip of magnesium ribbon a chemical or physical change?
This is a chemical change. The reaction is: Mg + O ---> MgO
What is the correct interpretation of the formula MgF2?
The two elements that make up this compound are magnesium and fluorine. Flourine is a halogen and magnesium is an alkaline earth metal. This makes it an ionic compound, so the name would be magnesium fluoride.
Was a strip of magnesium metal into a solution of copper sulfate a chemical change?
Yes. The magnesium metal replaces the copper in the copper sulfate. This is a single replacement or single displacement reaction.
What is the balanced reaction when a strip of magnesium is added to a solution of silver nitrate?
Mg + 2AgNO3→ Mg(NO3)2 +2Ag
Does the coating on a magnesium strip change the mass of magnesium oxide?
The mass of the magnesium will be lower than the mass of the magnesium oxide1 mole of Mg = 24 grams1 mole of MgO = 24 + 16 = 40 grams
Which one has adhesive coating that is protected by a strip of brown waxed coating?
m9
Why is there a dull white coating on magnesium?
being oxidized by O2
Why is the magnesium strip polished before weighing?
To remove the oxide layer (magnesium oxide) on it
How and why does the mass of a magnesium strip change when it is heated strongly in air?
When a magnesium strip is heated strongly in air, it undergoes a chemical reaction called oxidation. Magnesium reacts with oxygen in the air to form magnesium oxide. The mass of the strip increases because magnesium combines with oxygen atoms from the air to form a heavier compound (magnesium oxide).
Does the magnesium strip resemble Mg?
yes of course
Why must the surface coating of Magnesium Oxide be removed prior to determining the mass of magnesium used in the experiment?
To eliminate the extra weight of the oxygen atoms in the magnesium oxide.
Does a magnesium metal strip rust when put in hydrochloric acid?
No
Does magnesium react with nitrogen gas?
yes, the burning strip of Magnesium in nitrogen atmosphere produces solid Magnesium nitride, 3Mg + N2 = Mg3N2
Which one has adhesive coating that is protective by a strip of brown waxed paper?
m9
Which paper has adhesive coating that is protected by a strip of brown waxed paper?
m9
Which one has adhesive coating that is protected by a strip by a brown waxed paper?
m9
