A balloon is filled with 4 gram of He gas at 22°C and 720 mm of Hg.
The volume of the gas is
(A) 20.5 L
(B) 25.6 L
(C) 34.8 L
(D) 38.6 L
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A balloon is filled with 4 gram of He gas at 22°C and 720 mm of Hg.
The volume of the gas is
(A) 20.5 L
(B) 25.6 L
(C) 34.8 L
(D) 38.6 L
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Answer:
The volume of the gas is (B) 25.6L. Thank you.
Verified answer
Answer:
Pressure = [tex]\frac{720}{760} atm[/tex]
Temperature = 295 K
Weight of the gas = 4g
PV = nRT
V = [tex]\frac{nRT}{P}[/tex]
= [tex]\frac{1}{720}[/tex] × [tex]0.0821[/tex] × [tex]295[/tex] × [tex]760[/tex]
= [tex]25.565 L[/tex]
≈ 25.6 L