Question

Three 1.0 L bottles each contain the same number of gas particles and are held at the same temperature. Bottle A contains only oxygen particles, Bottle B contains only neon particles, and Bottle C contains half oxygen and half neon particles. Which of the following statements is true?

A. Bottle A will have the greatest internal pressure
B. Bottle B will have the greatest internal pressure
C. Bottle C will have the greatest internal pressure
D. All three bottles will have the same internal pressure

Answer 1

assume they are all ideal, then pV=nRT tells us that p has to be the same because all other variables are const

Answer 2

so D? @caozeyuan

Answer 3

Agreed