Respuesta :
So to make it clear let's break the equation down species by species and assess the number of each species on bothe sides of the equation:
          2C₈H₈  +  25O₂  →  8CO₂ +  18H₂O
LHS: Â C - 16 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â RHS: Â C - 8
     H - 16                           H - 36
     O - 50                           O - 34
Thus based on that it is evident that the equation is not quite balanced.  This therefore means a "No, because the number of carbon, hydrogen & oxygen atoms on both sides of the equation are not equal."
The actual balance equation would be C₈H₈  +  10O₂   →   8CO₂ +  4H₂O
          2C₈H₈  +  25O₂  →  8CO₂ +  18H₂O
LHS: Â C - 16 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â RHS: Â C - 8
     H - 16                           H - 36
     O - 50                           O - 34
Thus based on that it is evident that the equation is not quite balanced.  This therefore means a "No, because the number of carbon, hydrogen & oxygen atoms on both sides of the equation are not equal."
The actual balance equation would be C₈H₈  +  10O₂   →   8CO₂ +  4H₂O