two moles of chlorine gas at 20.0C are heated to 350C while the volume is kept constant. how does its density change quantitatively? explain

Question

anonymous · Answer

Shouldn't the density stay the same? If there are 2 mol / volume and the amount of Cl does not change and the volume is constant, doesn't the density stay the same? unless the heating burns off some of the present Cl2 gas...

anonymous · Answer

thats what i think, but then you're heating it up so the collision rate of the molecules increases. and the higher the collision rate, the higher the density right?

anonymous · Answer

I think the pressure will go up, the pressure is linked to the collision rate, but the density will stay the same if the mass and volume stay constants.