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velikii [3]
3 years ago
5

What is the dropped down number in a chemical formula that tells the number of atoms of a particular element? *

Chemistry
2 answers:
SIZIF [17.4K]3 years ago
4 0

Answer:

Subscript

Explanation:

The subscript represents how many atoms ther are of that element.

densk [106]3 years ago
3 0
The lack of a number preceding the carbon symbol C and the compound formula CO2 shows that there is one carbon atom and one carbon dioxide molecule. Subscript numbers in chemical formulas represent the number of atoms or molecules immediately preceding the subscript.
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Ammonium Iodide dissociates reversibly to ammonia and hydrogen iodide:
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Answer:

The partial pressure of ammonia at equilibrium when a sufficient quantity of ammonium iodide is heated to 400°C Is 0.103 atm.

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Explanation;

NH4I(s) ⇋ NH3(g) + HI(g)Kp = 0.215 at 400°C

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