A sample of oxygen had an initial volume of 4.0L and was at a standard pressure of 1.00 atm, what would the new volume be if the pressure was increased to 25.00 atm?

Tropical easterlies is mostly likely your answer correct me if i’m wrong

13) a 14) a15) b16) i don't know sorry17) a (maybe)

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).