Answer:
(d) has an extremely large equilibrium constant.
Explanation:
Hello,
Considering a generic chemical reaction:

The equilibrium constant is defined as:
![K=\frac{[C]^c_{eq}[D]^d_{eq}}{[A]^a_{eq}[B]^b_{eq}} \\](https://tex.z-dn.net/?f=K%3D%5Cfrac%7B%5BC%5D%5Ec_%7Beq%7D%5BD%5D%5Ed_%7Beq%7D%7D%7B%5BA%5D%5Ea_%7Beq%7D%5BB%5D%5Eb_%7Beq%7D%7D%20%5C%5C)
Now, an irreversible chemical reaction is a reaction in which the reagents are converted into products with no chance of coming back, so, considering the previous chemical reaction, the concentration of both A and B tends to be zero, so an extremely large equilibrium constant is gotten.
Best regards.
Density is mass divided by volume. Therefore, volume is mass divided by density.

Nitrous oxide .
The Lewis dot structure is attached
2, 4, 1
Explanation:
We have the following chemical reaction:
Ag₂O → Ag + O₂
To balance the chemical equation the number of atoms of each element entering the reaction have to be equal to the number of atoms of each element leaving the reaction, in order to conserve the mass.
So the balanced chemical equation is:
2 Ag₂O → 4 Ag + O₂
Learn more about:
balancing chemical equations
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