The person who commented before me is mostly totally right
Yes, the equation “N2 + 3H2 = 2NH3” is balanced.
Answer:
Option 1
Step-by-step explanation:
Counter-intuitively, the correct answer is option 1. Option 2 is obviously a cross section, since it is the shape of the base of the triangle. Option 3 is also obviously a cross section, since the figure is a triangular prism. Option 4 is a cross section because, if you slice diagonally, you may create a cross section with a wider base on the bottom and larger on top. However, it is impossible to create a cross section of a rectangle from this square pyramid. Hope this helps!
Answer:
7x
Step-by-step explanation:
7x-2(3-4)-2=7x-6+8-2=7x
