1. What is the cause of a gas sample exerting pressure on its surroundings, such as a container?
A. The sum of the volumes of all the gas particles in the sample
B. Chemical reactions with the container walls
C. Collisions of particles of gas
D. The weight of the particles on the container
is the answer c?
I don't like any of the answers. The reason a gas exerts pressure is because of collisions of the particles with the walls of the container. I would go with c easily if it added, "Collisions......gas WITH THE WALLS OF THE CONTAINER."