Lewis structure of N2O5 is :
:O : : O:
II II
N N
/ \ / \
:O: :O: :O :
.. ..
or or O2 N-O- NO2
<span>So the covalency of nitrogen is 3 only as one pair of electrons is coordinated with oxygen shown here as having all the six electrons intact.
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Answer:
The electrons start to repel each other.
Explanation:
Most atoms attain a lower potential energy when they are bonded to other atoms than when they are separated. One is that the single electrons that each hydrogen atom possesses begin to repel each other. This repulsive force would tend to make the potential energy of the system increase.
This is a build up of lava which came out of the volcano in previous eruptions, once this lava came out of the volcano it cooled and hardened, over many eruptions layers of hardened volcanic rock will form. The layers are slanted as gravity acts on the lava so it flows down and a little further from the cone.
Answer:
4.09 × 10⁻² g
Solution:
As we know that,
1 mol of Fe₂O₃ is equal to = 159.69 g
So,
2.56 × 10⁻⁴ mol will be equal to = X g
Solving for X,
X = (159.69 g × 2.56 × 10⁻⁴ mol) ÷ 1 mol
X = 0.04088 g
Or,
X = 0.049 g
Or,
X = 4.09 × 10⁻² g