A fixed mass of argon gas in a sealed container is heated.
The pressure inside the container increases.
Which statement explains why the pressure increases?
1 )
There is an increase in the number of gaseous particles inside the container.
There is an increase in the number of collisions per second between the particles of gas and the walls of the container.
3 )
The particles of gas have less energy and collide with the wall of the container more frequently.
4 )
There is a decrease in the space that the particles have to move in.
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