The coefficient is the number in front of the element.
The coefficient is 2
Hope this helps!
Probably not but I wouldn’t risk it
N<span>icolaus </span>Copernicus<span> was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe, and that the Earth, spinning on its axis once daily, revolves annually around the Sun. This is called the heliocentric, or Sun-centered, system.</span>
if i am correct the volume of nitrogen gas has to equal to molecules density, making the substance 1.27 liters :)