A chemist needs to order sodium bicarbonate for a classroom experiment. Each of the 43 students will require 32.8 g of sodium bicarbonate for the experiment. If the chemist already has 0.55 kg of sodium bicarbonate in the cabinet, how much does the chemist need to order?

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing