calculate the volume occupied by 7g N2 at 27degreeCelsius and 750mm pressure?
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Answer:
Moles of Nitrogen = Weight / Molar mass
= 7 g / (28 g/mol)
= 0.25 mol
Pressure = 750 mm Hg
= (750/760) atm ………[∵ 1 atm = 760 mm Hg]
= 75/76 atm
From ideal gas equation
V=
P
nRT
=
(75/76atm)
0.25mol×0.0821atm.L/(molK))
×300K
=6.2396 liters
The volume occupied by the gas is 6.2396 litres
Explanation:
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