Question

Which is the next logical step in balancing the given equation?
N2 + O2 → NO2

Place the coefficient 2 in front of oxygen and nitrogen dioxide.

Place the coefficient 3 in front of oxygen and nitrogen dioxide.

The equation is already balanced.

Change the subscript of the nitrogen molecule to 1.

Answer 1

place the coefficent two in front of the nitrogen dioxide molecule

Answer 2

so A. :)

Answer 3

medal??

Answer 4

@damienbarnes any idea?