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RoseWind [281]
3 years ago
7

Plz help ASAP Dhdhdg

Chemistry
1 answer:
Alborosie3 years ago
5 0

Answer:

They have the same number of Valence electrons

Explanation:

<em>Hello?</em>

The valence electrons are the one responsible for chemical reaction. Valence electrons are the electrons found/located on the outermost energy level.

<em>I </em><em>hope</em><em> </em><em>this </em><em>helps.</em><em> </em><em>Have</em><em> </em><em>a </em><em>nice </em><em>studies</em>

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What mass of HgO is required to produce 0.692 mol of O2?<br><br>2HgO(s) -&gt; 2Hg(l) + O2(g)
Vika [28.1K]

The answer for the following problem is mentioned below.

  • <u><em>Therefore 298.44 grams of mercuric oxide is needed to produce 0.692 moles of oxygen molecule </em></u>

Explanation:

Given:

no of moles of the oxygen gas = 0.692

Also given:

2 HgO  → 2 Hg + O_{2}

where,

HgO represents mercuric oxide

Hg represents mercury

O_{2} represents oxygen

To calculate:

Molar mass of HgO:

Molar mass of HgO = 216 grams

molar mass of mercury (Hg) = 200 grams

molar mass of oxygen (O) =16 grams

HgO = 200 +16 = 216 grams

We know;

       2×216 grams of HgO   →  1 mole of oxygen molecule

             ?                              →  0.692 moles of oxygen molecule

       

          = \frac{2*216*0.692}{1}

      = 298.944 grams of HgO

<u><em>Therefore 298.44 grams of mercuric oxide is needed to produce 0.692 moles of oxygen molecule </em></u>

<u />

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Variations in electronegativity prompt in the unequal halves of electrons in polar molecules because when one atom is more electronegative than the other, it becomes more polar than the other.

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Polar molecules have unequal sharing of electrons because the atoms have unequal attraction for electrons so the sharing is unequal.

The larger the difference in electronegativity between the two atoms, the more the polar the bond.

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The layer in which all living things on earth live and allows you to breathe is called the?
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In a polar covalent bond, the distribution of common electrons are
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