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.

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.