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The chemical formula : 3HgBr₂(Mercury(II) bromide)
<h3>Further explanation</h3>
Given
The chemical formulas of Mercury and Bromine
Required
The appropriate chemical formula
Solution
A molecular formula is a formula that shows the number of atomic elements that make up a compound.
The number of molecules is determined by the coefficient in front of the compound
the number of atoms is determined by the subscript after the atom and the coefficient
Three molecules⇒ coefficient = 3
one atom of Mercury ⇒Hg
two atoms of Bromine ⇒ Br₂
The chemical formula : 3HgBr₂
Answer is: <span>the pressure is 1.12 atm.
</span>n(O₂) = 0.00825 mol, amount of substance.
V = 174 mL ÷ 1000 mL/L = 0.174 L, volume of gas.
<span>
T = 15°C = 288.15 K; temperature.
R = 0.08206 L·atm/mol·K, </span>universal gas constant.<span>
Ideal gas law: p·V = n·R·T.
</span>p =
n·R·T / V.
p = 0.00825<span> mol · 0.08206 L·atm/mol·K · 288.15 K /
0.174 L.
p = 1.12 atm.</span>
Answer:
S 2.6 [2.58] & C is 2.6 [2.55]
Explanation:
