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What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg?
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Answers ( )
Answer:
420 L
Explanation:
Applying Boyle’s Law,
PV = P’V’……………….. Equation 1
Where P = Initial pressure, P’ = Final pressure, V = Initial volume, V’ = Final volume.
make V’ the subject of the equation
V’ = PV/P’……………….. Equation 2
From the question,
Given: P = 720 mmHg, V = 350 L, P’ = 600 mmHg
Substitute these values into equation 2
V’ = (720×350)/600
V’ = 252000/600
V’ = 420 L