Remember mass/atoms is not created or destroyed. Atoms don't appear and disappear. Mark the only balanced equation below.

What is the mass of 4 molecules of co2

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.