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An octagon has 8 sides. Octo means 8.
Answer:
Hydrogen sulfide
Explanation:
A nonoxidizing acid is the acid which cannot act as oxidizing agent and thus furnish hydrogen ions. Example: HCl
Iron(II) sulfide reacts with nonoxidizing acid, say hydrochloric acid to give rotten egg smelling gas, H₂S (Hydrogen sulfide).
The reaction is shown below:
FeS (s) + 2HCl (aq) ⇒ FeCl₂ (s) + H₂S (g)
A general reaction is also shown below of the reaction of Iron(II) sulfide with any nonoxidizing acid, HX as:
FeS (s) + 2HX (aq) ⇒ FeX₂ (s) + H₂S (g)
Answer:
Physical
Explanation:
No new properties were added, a blue liquid and a clear liquid making a blue liquid is just a mixture because they have not chemically combined.
A mole consists of 6.02 x 10^23 particles.
9.99 x 10^26 / 6.02 x 10^23 = 1,659 particles