Recent content by drchurch

cheers vengeance, got it in the end, final equation something like 10E22/10E22 so 1 molecule, thanks for the advice tho dude

do i not need to take into account the change in pressure in the Earth's atmosphere? simply ratioing the number of molecules in a breath of air to the number in the world seems a bit simple for ten marks? cheers

julius ceasar's last breath... hey everyone, hope all is good. not with me, having trouble with a non assessed example in uni, any ideas anyone? :!) Homework Statement make a fully reasoned order of magnitude estimate of the number of molecules from julius ceasar's last breath which...