What do I do for the drawing, I honestly don't really know anything about this and find it extremely confusing???

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

No copying 15 pts how does a free-body diagram tell you about the net force on an object?