Give me your worst/best pick up line (using these on my crush btw)

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous