States of Matter - Result Question 31

####31. The density of neon will be highest at

(a) STP

(b) 0∘C,2atm

(c) 273∘C,1atm

(d) 273∘C,2atm

(1990,1M)

Show Answer

Solution:

  1. The ideal gas equation, pV=nRT=wMRT

⇒pM=(wV)RT=dRT(d= density ) ⇒d=pMRT

i.e. density will be greater at low temperature and high pressure.

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