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Grade: 11
        An electric bulb of volume 250 cm^3 was sealed off during manufacture at a pressure of 10^-3 mm Hg at a 27 degree celsius,find the number of molecules in it.(Avogadro number=6*10^23)
6 years ago

Answers : (2)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							

Now apply PV=nRT


Get n and multiply with Avogadro's Constant.


Arun Kumar
IIT Delhi
Askiitians Faculty
6 years ago
Akshita
15 Points
							
PV=k×N×T where we have to find N that is number of molecules. Given V=250 cm3 , P=10-3 mm Hg , T= 27°C
one year ago
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