If I performed an experiment that resulted with a product mass of 15 g (experiemental value). However, based on my stoichiometric calculations (accepted value) I should have gotten a mass of 18 g. What is my percent yield?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

I’m an electrically neutral atomic any element, there are equal numbers of

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.