Question
In a lab, strontium (Sr) and oxygen (O2) are combined to produce strontium oxide (Sro). After balancing this reaction,
determine how many grams of strontium oxide are produced by the complete reaction of 19.6 grams of strontium.
Express your answer to the correct number of significant figures.

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