8) 50 cm3 of hydrogen gas enclosed in a vessel maintained under a pressure of 1400 torr, is allowed to
expand to 125 cm3 under constant temperature conditions. What would be its pressure?
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Answer:
given = V₁ = 50Cm ³ hydrogen gas V₂ = 125 Cm³
pressure p₁ = 1400 torr
to find = P₂ =?
solution=
P₁V₁ = P₂ V₂
P₂ = P₁V₁/V₂
P₂ = 1400 X 50 /125
P₂ = 70000/125
P₂ = 560 Torr
the final pressure of the gas aftter expansion is 560 torr.
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