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Can someone explain to me, what is the difference between: PV=mRT and PV=nRT. and how to apply it? When to apply it? Thanks

Can someone explain to me, what is the difference between: PV=mRT and PV=nRT. and how to apply it? When to apply it? Thanks

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2 Answers

Amar Kumar
27 Points
9 years ago

In case of  pv = mRT,

R= characteristics gas constant  (differnt for different gas,R=Ru/molecular mass)

while in case of pv = nRuT, Ru=universal gas contant(8.314 j/mol-k).

Amar kumar

Askiitians Faculty

M.Tech, IIT Delhi.

vinod
11 Points
6 years ago
Doubt is that how to find the exact volume flow rate of air in a specimen( filter or regulater ) we manufacture. we use Q=(diff pres x tank vol)/ time in sec. is it right, if not pls brief.

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