Collisions of helium atoms with the walls of a closed container cause

Acondensation.
Bgas pressure.
Ca decrease in volume.
Dan overall loss of energy.

Raising the temperature of a gas will increase its pressure if the volume of the gas

Aand the number of particles are increased.
Bis increased, but the number of particles is constant.
Cand the number of particles are constant.
Dis constant, but the number of particles is reduced.

Verified Answer :

1) Option b: gas pressure.

This is sustainted by the kinetic molecular theory of the gases.

2) Option c: raising the temperature of the gas will increase the pressure if the volumen of the gas and the number of particles are constant.

PV = nRT

If V and n are constant, P is proportional to T, then if T increase P will increase too.

In less scientific words

For number 1 is GAS PRESSURE

And number 2 is TEMPERATURE

  • I hope this works for you guys
  • :)