A newspaper story describing the local celebration of Mole day on October 23 selected for Avogadro’s number 6.02*10^ 23 ) attempting to give the reader a sense of the number by stating that a mole would be equal to 18 tractor trailers full. Assuming that an M&M occupies the volume of about 0.5 cm ^ 3, calculate the dimensions cube required to hold one mole of M&Ms. Would 18 tractor trailers be sufficient?

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.