180grams of sulfur (S) reacted with an unknown amount of oxygen (O2) to produced 220g of sulfur trioxide (SO3). How much oxygen was needed? S + O2 ® SO3 Group of answer choices

The gas would begin to expand, and eventually the can would burst or explode.

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

A. ​it generates energy from carbohydrates.b. it requires activation by oxygen.​c. ​it is used by cells to dispose of excess electrons