And this is indeed a balanced equation. So once again, the reason we're allowed to find a weight loss so quickly and without experimental results is because step one is an elementary bimolecular reaction with an overall reaction order of two. In other words, this has one coefficient and a second coefficient. So one plus one, two. That's why. Now, once again, once you find this guy, you have to check to make sure this is in fact the rate law.