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Two flasks of equal volume are connected by a narrow tube (of negligible volume) all at 27°C and contain 0.70 mole of H2 at 0.5 atm. One of the flask is then immersed into a bath kept at 127°C, while the other remains at 27°C. The final pressure in each flask is :

  • a)
    Final pressure = 0.5714 atm

  • b)
    Final pressure = 1.5714 atm

  • c)
    Final pressure = 0.5824 atm

  • d)
    None of these

Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Two flasks of equal volume are connected by a narrow tube (of negligib...
∴ n1 +n2  = 0.7 moles    (1)
P,V = const.
n1T1 = n2T2

n1 = 0.4 & n2 = 0.3
Icontainer PV = n1RT1 (3)
IIcontainer PV = n2RT2 (4)
using (3) & (4)
Final pressure  = 0.5714 atm
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Two flasks of equal volume are connected by a narrow tube (of negligib...
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Two flasks of equal volume are connected by a narrow tube (of negligible volume) all at 27°C and contain 0.70 mole of H2at 0.5 atm. One of the flask is then immersed into a bath kept at 127°C, while the other remains at 27°C. The final pressure in each flask is :a)Final pressure = 0.5714 atmb)Final pressure = 1.5714 atmc)Final pressure = 0.5824 atmd)None of theseCorrect answer is option 'A'. Can you explain this answer?
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